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TED Tech
1 How AI is saving billions of years of human research time | Max Jaderberg 19:15
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A turf paradox: better turf in soils with lower nutrient content
Manage episode 433186367 series 3012617
Content provided by Micah Woods and Asian Turfgrass Center. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by Micah Woods and Asian Turfgrass Center or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://ppacc.player.fm/legal.
You can sometimes, perhaps more often than you would think, find soil under good turf to have lower nutrient content than does soil under poor quality turf. In this episode, I explain why that is, what the implications of this phenomenon are, and what you can do about it.
- This blog post has all the details on the turf (and soil) paradox: https://www.asianturfgrass.com/post/turf-paradox/
- Henry Qu and I discussed learning, Bayesian analysis, and more in this engaging conversation: https://youtu.be/o4Y4xJt0stU?si=2jQevp6CqKPWR1gi
- Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/
- Get ATC newsletters at https://www.asianturfgrass.com/newsletter/
- Turfgrass information and decision-making tools at https://www.paceturf.org/
- PACE Turf YouTube channel at https://www.youtube.com/user/paceturf
- ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter
- Turf Without Borders show page: https://turfwb.asianturfgrass.com/
178 episodes
ShareManage episode 433186367 series 3012617
Content provided by Micah Woods and Asian Turfgrass Center. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by Micah Woods and Asian Turfgrass Center or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://ppacc.player.fm/legal.
You can sometimes, perhaps more often than you would think, find soil under good turf to have lower nutrient content than does soil under poor quality turf. In this episode, I explain why that is, what the implications of this phenomenon are, and what you can do about it.
- This blog post has all the details on the turf (and soil) paradox: https://www.asianturfgrass.com/post/turf-paradox/
- Henry Qu and I discussed learning, Bayesian analysis, and more in this engaging conversation: https://youtu.be/o4Y4xJt0stU?si=2jQevp6CqKPWR1gi
- Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/
- Get ATC newsletters at https://www.asianturfgrass.com/newsletter/
- Turfgrass information and decision-making tools at https://www.paceturf.org/
- PACE Turf YouTube channel at https://www.youtube.com/user/paceturf
- ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter
- Turf Without Borders show page: https://turfwb.asianturfgrass.com/
178 episodes
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The ATC Doublecut with Micah Woods
1 How to find the photosynthetically active radiation (PAR) anywhere 37:29
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Play Later Play Later Lists Like LikedI explain that moving from full sun to tree shade reduced photosynthetically active radiation by about 80%. I show an app, and a PACE Turf document, that will allow you to find both PPFD and DLI no matter where you are located. I discussed these links: - https://www.asianturfgrass.com/post/shade-and-sun/ - https://asianturfgrass.shinyapps.io/ppfd_by_time/ - https://www.paceturf.org/memberedition/weather - https://www.paceturf.org/gallery/detail/photosynthetically-active-radiation - https://www.asianturfgrass.com/post/rule-of-thumb-for-cloud-effect-on-par/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find a suite of decision-making tools at https://www.paceturf.org/ Get free ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 The GvX, #OM246, and #MLSN with John Petrovsky 1:15:57
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Play Later Play Later Lists Like LikedJohn Petrovsky is manager of USGA Green Section Education. He is also the host of the USGA Green Section podcast. We discussed a recent episode about GvX that had an especially insightful quote from Chris Tritabaugh. Also, the U.S. Open, championship golf, clipping volume, and even a bit about MLSN. Links for topics we discussed include: USGA Green Section Record free subscription https://www.usga.org/content/usga/home-page/course-care/green_section_record.htm the golf course shown with the Eiffel Tower view is Golf de Saint-Cloud, https://www.golfdesaintcloud.com/ blog post about GvX and Chris Tritabaugh quote: https://www.asianturfgrass.com/post/any-kind-anywhere-any-level/ GvX post about zero-handling problem: https://www.asianturfgrass.com/post/gvx-clippings/ the SI calculator for soil test levels at any probability https://asianturfgrass.shinyapps.io/turfsi/ https://www.asianturfgrass.com/post/gvx-clippings/ OM246 example reports with tables of normal values by species https://www.asianturfgrass.com/project/om246/ the GSS summary article https://doi.org/10.17605/OSF.IO/RG49P how much OM is too much https://www.asianturfgrass.com/post/how-much-om-is-too-much/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find a suite of decision-making tools at https://www.paceturf.org/ Get free ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
Geoff Fenn and I discussed the use of the turfgrass growth potential (GP) in the UK, optimum temperatures, the GvX, clipping volume, and more in this episode that started with a look at this blog post: https://www.asianturfgrass.com/post/number-between-1-0-using-the-turfgrass-growth-potential/ See also this on GP and adjustments: https://www.asianturfgrass.com/post/regarding-gp-and-adjustments/ All posts tagged "growth potential:" https://www.asianturfgrass.com/tag/growth-potential/ Connect with Geoff on LinkedIn ( https://www.linkedin.com/in/geoff-fenn-aa2ba242/ ) or X ( https://x.com/Geoff_Fenn ) Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find a suite of decision-making tools at https://www.paceturf.org/ Get free ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Green speed went down by 0.6 inches per hour 40:55
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Play Later Play Later Lists Like LikedI discussed some green speed and green firmness data from measurements made at the Sky RKB Ladies Classic tournament, and I explained why the geometric mean rather than the arithmetic mean can be especially useful (and safe) when dealing with soil nutrient data. Green speed change from morning to afternoon: https://www.asianturfgrass.com/post/speed-drop-morning-to-afternoon/ The geometric mean as the central tendency (average) for soil nutrient data: https://www.asianturfgrass.com/post/geometric-mean-as-central-tendency-for-soil-nutrient-data/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find a suite of decision-making tools at https://www.paceturf.org/ Get free ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Learning & remembering from a year of turf photos 44:00
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Play Later Play Later Lists Like LikedIn this episode I picked some of my favorite photos from 2024, and I remembered what I learned from them. From roots, layers, OM246, zoysia greens, and drought, to loupes, turf farms, compost, and bermudagrass. I discussed this post: https://www.asianturfgrass.com/post/flights-favorite-turf-photos-2024/ Here's the sand vs. compost ball bounce video: https://www.youtube.com/watch?v=r1LV77z_Ziw Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find a suite of decision-making tools at https://www.paceturf.org/ Get free ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
There have been a lot of conversations about soil water content and surface hardness (firmness). I discuss some measurements that I have made, and suggest some of the old posts on the ATC website that discuss this topic. Specific posts discussed include: https://www.asianturfgrass.com/post/measuring-surface-hardness-on-greens-fairways-and-approaches/ https://www.asianturfgrass.com/post/relationship-between-soil-water-and-turfgrass-surface-hardness/ https://www.asianturfgrass.com/tag/surface-hardness/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find a suite of decision-making tools at https://www.paceturf.org/ Get free ATC newsletters at https://www.asianturfgrass.com/newsletter/ Listen to the ATC podcast network https://podcasts.asianturfgrass.com/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 The turf GvX for checking grass growth with Jason Haines 33:47
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Play Later Play Later Lists Like LikedJason came up with the GvX idea in a flash of inspiration that he describes here. This is the actual growth of the grass compared to the expected growth of the grass, and it has surprising practical implications. We discussed the development and use of the #TurfGvX in this episode. We discussed this blog post: https://www.asianturfgrass.com/post/explaining-gvx/ See the GvX screencast video at https://youtu.be/mRJcEhOyxPA Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find a suite of decision-making tools at https://www.paceturf.org/ Get free ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Living plant material (and thatch) are part of #OM246 too 17:31
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Play Later Play Later Lists Like LikedAchieving the lowest possible #OM246 total organic material value is not desirable, because the living plant material is part of the OM measured with this method. I discussed this post: https://www.asianturfgrass.com/post/om246-measures-living-om-too/ @keyakeeper469 and I discussed 8 years of OM246 in https://youtu.be/8B3FQhvSIdI OM246 project page https://www.asianturfgrass.com/project/om246/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find a suite of decision-making tools at https://www.paceturf.org/ Get free ATC newsletters at https://www.asianturfgrass.com/newsletter/ Listen to the ATC podcast network https://podcasts.asianturfgrass.com/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Calculation of the average daily temperature 18:26
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Play Later Play Later Lists Like LikedA common way to calculate average daily temperature is to take the sum of the daily maximum and daily minimum temperatures, and to divide by two. A better statistical approximation of the average temperature is to take measurements made every hour and then to find the mean value of those continuous measurements. This blog post shows a comparison of the three methods for 2024 data at three locations: https://www.asianturfgrass.com/post/calculating-average-daily-temperature/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find a suite of decision-making tools at https://www.paceturf.org/ Get free ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 The ATC blog post bombs of 2024 with Joe Gulotti 1:33:34
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Play Later Play Later Lists Like LikedJoe Gulotti joined me to discuss his new job, The Talking Greenkeeper, and the ten posts on the ATC website that no one (practically) read in 2024. This is the post that lists all the "bombs:" https://www.asianturfgrass.com/post/ten-posts-no-one-read-2024/ The Talking Greenkeeper catalog is at https://podcasts.apple.com/us/podcast/the-talking-greenkeeper/id1435947281 Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find a suite of decision-making tools at https://www.paceturf.org/ Get free ATC newsletters at https://www.asianturfgrass.com/newsletter/ Listen to the ATC podcast network https://podcasts.asianturfgrass.com/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Fertilizing grass this way seems strange to me now 21:36
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Play Later Play Later Lists Like LikedAlthough turf research is often done with fertilizer treatments applied at constant rates and on a fixed calendar schedule, that way of supplying nutrients seems strange to me now. I explain why in this episode, and suggest a better method. We discussed this post: https://www.asianturfgrass.com/post/fertilizer-schedule-seems-strange-to-me-now/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Top 10 posts of 2024, plus app and podcast recommendations 31:16
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Play Later Play Later Lists Like LikedI recommend 4 podcast episodes and one useful app that calculates sand topdressing amounts, then quickly discuss the top 10 new posts from the ATC website in 2024. Would you like to comment or have questions about this episode? Reply on Bluesky Here are topic links: - https://www.asianturfgrass.com/post/top-10-posts-2024/ - https://www.asianturfgrass.com/post/the-rodney-lingle-system/ - https://www.asianturfgrass.com/post/almost-like-a-seminar/ - https://www.asianturfgrass.com/post/the-talking-greenkeeper-holiday-extravaganza/ - https://www.asianturfgrass.com/post/om246-calculator-updated/ - https://www.asianturfgrass.com/post/mlsn-and-lawns/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Bracketing #ClipVol for a desired range of green speed 33:22
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Play Later Play Later Lists Like LikedGreen speed varies because of many factors. One of those factors is clipping volume. I discuss that relationship and give some advice for those getting started with clipping volume and wanting to know how to adjust it. We discussed this blog post: https://www.asianturfgrass.com/post/getting-started-with-clipping-volume/ Potassium increases dollar spot? https://www.paceturf.org/memberedition/potassium-increases-dollar-spot The 2025 International Turfgrass Research Conference: https://itrc2025.turfsociety.com/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Nitrogen rate, pendulum swings, and anchoring 31:13
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Play Later Play Later Lists Like LikedDid you know there was a time when up to to 2 lbs N per 1000 square feet per growing month, the equivalent of 100 kg of actual N per ha per month, was a standard recommendation for putting green turf? I talk about this and some implications in this episode. The ATC post getting the double cut treatment is https://www.asianturfgrass.com/post/nitrogen-rate-as-a-pendulum-swing/ I also took a look at the Historical Nitrogen Rates post from PACE Turf at https://www.paceturf.org/memberedition/historical-nitrogen-rates Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 What every greenkeeper should know about sand in clippings with Dr. Bill Kreuser 54:20
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Play Later Play Later Lists Like LikedBill Kreuser from GreenKeeper joined me to discuss how much grass grows, the complicated problems involved when sand is mixed with clippings, growth regulator adjustments, leaf nutrient content, soil surfactant effect duration, and more. #ClipVol We discussed the "Sand in clippings" post from the ATC website: https://www.asianturfgrass.com/post/sand-in-clippings/ You can read more about our discussion of topics such as PGR and soil surfactant scheduling at https://www.greenkeeperapp.com/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Potassium, dogma, and putting green smoothness with Dr. Frank Rossi 1:05:06
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Play Later Play Later Lists Like LikedFrank Rossi, Ph.D. is the New York State extension turfgrass specialist at Cornell University. We talked about mentorship, potassium, turf nutrition, smoothness of putting greens, dogma, data, budgets, and more. Here are some links: - https://cals.cornell.edu/frank-s-rossi - New podcast, Turf Without Borders: https://turfwb.asianturfgrass.com/episodes/st-andrews-old-new-jubilee-with-jon-wood - https://doublecut.asianturfgrass.com/episodes/frank-rossi-and-i-discuss-what-ive-called-my-least-favorite-experiment-ever - https://www.asianturfgrass.com/post/do-you-have-an-idea-why-they-recommend/ - Video with Dr. Rossi & I on smoothness and trueness of putting greens: https://youtu.be/xIlgspZfzbg?si=9iPeueL5Y16Uk5qv - https://www.asianturfgrass.com/post/five-different-ways-to-measure-smoothness-trueness-ball-roll/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Constants in the turfgrass growth potential equation 24:55
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Play Later Play Later Lists Like LikedThe PACE Turf growth potential equation has one variable (the actual air temperature) and two constants. The constants are optimum air temperature and a term for variance that controls the shape of the curve as the actual temperature moves away from the optimum temperature. It's a little more complicated than that, because the constants change depending on whether you are making the calculation for cool-season grass, warm-season grass, and on whether you are using the Fahrenheit temperature scale or the Celsius temperature scale. The blog post discussed is https://www.asianturfgrass.com/post/calculating-gp/ PACE Turf climate appraisal forms at: https://www.paceturf.org/journal/climate More about GP and the variance term at https://www.asianturfgrass.com/post/what-is-variance-in-growth-potential-equation/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Two easy methods to estimate N mineralization under turfgrass 22:15
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Play Later Play Later Lists Like LikedYou can expect soil organic matter to be 5% nitrogen, and you can expect from 1 to 4% of that organic nitrogen to mineralize in one year. You can also calculate estimated daily mineralization and sum it to get weekly, monthly, and annual totals. The blog post discussed is: https://www.asianturfgrass.com/post/estimating-nitrogen-mineralization-an-example/ Subscribe to the Turf Without Borders podcast: https://turfwb.asianturfgrass.com/subscribe Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Linear relationship between #ClipVol and dry weight 20:18
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Play Later Play Later Lists Like LikedThis episode introduces multiple experiments that have demonstrated a link between rapid measurement of clipping volume and the clipping yield. Clipping yield is typically expressed as dry weight per area. Links to the articles discussed are in the blog post. Blog post on Converting Clipping Volume to Dry Weight: https://www.asianturfgrass.com/post/converting-clipping-volume-to-dry-weight/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Creeping, velvet, and browntop bentgrass seeds with Dr. Leah Brilman 1:08:00
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Play Later Play Later Lists Like LikedLeah Brilman, Ph.D., is the Director of Product Management & Technical Services for Seed Research by DLF. We discussed velvet bentgrass, creeping bentgrass, and browntop bentgrass, along with seed production and grass performance. The bentgrass posts at the ATC website are at this link: https://www.asianturfgrass.com/tag/bentgrass/ To see the word cloud with all the most frequent tagged topics, go to: https://www.asianturfgrass.com/#tags I've spoken about browntop bentgrass management in New Zealand with Grant Saunders: https://youtu.be/CNA7EfvPHus Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Topdressing, mowing height, and education points with Andrew McDaniel 20:31
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Play Later Play Later Lists Like LikedAndrew McDaniel has been watching webinars to get education points, and some of these have been about management of soil organic matter on putting greens. We discussed a particular article and whether that method is something that seems reasonable today. The blog post we discussed is https://www.asianturfgrass.com/post/a-chance-to-update-my-advice/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Four things to look at with #OM246 test results 25:46
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Play Later Play Later Lists Like LikedHere are four specific things to look at with total organic material by depth (#OM246) test results. The blog post I discussed is this one: https://www.asianturfgrass.com/post/om246-reports-explained/ The video in that post is https://youtu.be/wUtpJC1YPU0 Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Golf course water requirement, overseeding, & Zoysia vs. bermudagrass with Dr. Matteo Serena 1:26:49
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Play Later Play Later Lists Like LikedMatteo Serena is the Senior Manager of Irrigation Research and Services for the USGA. We discussed drip irrigation, growth regulators and soil surfactants, water use, overseeding, and bermudagrass vs. zoysiagrass water use. We discussed this ATC blog post: https://www.asianturfgrass.com/post/zoysia-and-water-use/ We also discussed these articles: - https://www.usga.org/content/usga/home-page/course-care/green-section-record/61/issue-15/measuring-and-comparing-the-water-requirements-of-warm-season-gr.html# - https://doi.org/10.2134/agronj2018.03.0148 See this zoysia video with Dr. Kenworthy: https://youtu.be/R6ZXW85mm84 Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 GvX, top six episodes, and turf terminology 23:42
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Play Later Play Later Lists Like LikedI checked the top episodes, discussed turf terminology, and discussed the 2025 GCSAA Outstanding Contribution Award winners Dr. Wendy Gelernter and Dr. Larry Stowell. The four posts discussed in this episode are: https://www.asianturfgrass.com/post/the-turf-gvx-growth-versus-expected/ https://www.asianturfgrass.com/post/seven-minutes-of-outstanding-contributions/ https://www.asianturfgrass.com/post/football-seminar-in-bangkok/ https://www.asianturfgrass.com/post/top-atc2x-episodes/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
When the cool-season growth potential (GP) is lower than the warm-season GP, the difference between them (the ΔGP) will be negative. In this episode, I discuss ΔGP and three different ways to think of summer duration. I discussed this blog post: https://www.asianturfgrass.com/post/summer-assessment-with-delta-gp/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Google's NotebookLM & audio summaries of the MLSN, GSS, and Grammar of Greenkeeping projects 30:54
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Play Later Play Later Lists Like LikedI wondered what NotebookLM could do, so I created a couple notebooks. One has the title “Global Soil Survey,” and in that notebook I uploaded articles and documents I’ve written about MLSN and the GSS. I let the model generate a few different audio summaries of this project. And I uploaded the text to A Short Grammar of Greenkeeping , and I let the model produce an audio summary of that book. Blog post: https://www.asianturfgrass.com/post/grammar-greenkeeping-turfgrass-growth-optimal-playing-surfaces/ Google's NotebookLM Global Soil Survey MLSN cheat sheet PACE Turf Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Browntop greens, Poa annua suppression, pH, & OM testing with Grant Saunders 1:40:02
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Play Later Play Later Lists Like LikedGrant Saunders is the course superintendent at Hamilton Golf Club in New Zealand. He has successfully overseen a green species conversion from Poa annua to browntop bentgrass ( Agrostis capillaris ). We discussed that, and the role of OM testing, and sand topdressing, and soil pH, and greenkeeping in New Zealand. Some links include: https://www.asianturfgrass.com/post/accumulation-soil-organic-material/ https://hamiltongcmaintenance.blogspot.com/2018/06/poa-vs-browntop.html A "Cart Rides with Micah" episode from Hamilton Golf Club https://youtu.be/dWj-MO4UBW4?si=oF-rtC_BWTPEYZmB https://www.asianturfgrass.com/post/gp-as-proxy-for-season-length/ https://www.asianturfgrass.com/post/new-mlsn-cheat-sheet/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Using #OM246 test results to get net organic material accumulation rate 38:02
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Play Later Play Later Lists Like LikedWhen you know the rate at which organic material is accumulating in the rootzone, you can adjust sand topdressing rates with more precision. You can also start to check how any changes in maintenance can have an effect on the accumulation rate. The blog post discussed is this one: https://www.asianturfgrass.com/post/inexorable-rise-soil-organic-matter/ The Shiny app to calculate the accumulation rate is: https://asianturfgrass.shinyapps.io/om246/ You can learn all about OM246 tests at https://www.asianturfgrass.com/project/om246/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Tournaments and the "grammar" with T-Jay Creamer 42:35
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Play Later Play Later Lists Like LikedT-Jay Creamer is the golf course superintendent at Olympic View Golf Club in western Canada. He joined me to discuss tournament golf maintenance and the grammar of greenkeeping. We discussed this ATC blog post: https://www.asianturfgrass.com/post/two-weeks-in-august/ T-Jay's Substack newsletter is https://ovgrounds.substack.com/ He explained the green speed and smoothness annual summary in this post, discussed at the end of our podcast: https://ovgrounds.substack.com/p/chasing-the-numbers-2024-greens-speed USGA video with Chris Tritabaugh about pinpoint precision at the U.S. Amateur https://youtu.be/FA9YLlKsdFE Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 My visit to Delaware with Joe Gulotti (The Talking Greenkeeper) 52:34
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Play Later Play Later Lists Like LikedA month ago Joe Gulotti and I walked the fairways and greens of the Montchanin Course at Dupont Country Club. I wrote a blog post about that, and we discussed my visit in this episode. Blog post: https://www.asianturfgrass.com/post/a-visit-to-the-talking-greenkeeper/ The Talking Greenkeeper podcast: https://podcasts.apple.com/us/podcast/the-talking-greenkeeper/id1435947281 Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Listen to the ATC Doublecut with Micah Woods podcast at https://doublecut.asianturfgrass.com/ Listen to the ATC Office Hours podcast at https://office-hours.asianturfgrass.com/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 A turf paradox: better turf in soils with lower nutrient content 44:24
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Play Later Play Later Lists Like LikedYou can sometimes, perhaps more often than you would think, find soil under good turf to have lower nutrient content than does soil under poor quality turf. In this episode, I explain why that is, what the implications of this phenomenon are, and what you can do about it. This blog post has all the details on the turf (and soil) paradox: https://www.asianturfgrass.com/post/turf-paradox/ Henry Qu and I discussed learning, Bayesian analysis, and more in this engaging conversation: https://youtu.be/o4Y4xJt0stU?si=2jQevp6CqKPWR1gi Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Disease, nutrition, and control problems, with Dr. John Dempsey 1:05:56
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Play Later Play Later Lists Like LikedIndependent turfgrass researcher John Dempsey, Ph.D., joined me to discuss evaluating treatment effects and the importance of having a good control. We talked about diseases, nutrition, and this blog post: https://www.asianturfgrass.com/post/problem-with-the-controls/ Find John on X at https://x.com/J_J_Dempsey Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 OM measurements, models, and data analysis with Dr. Henry Qu 53:23
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Play Later Play Later Lists Like LikedDr. Henry Qu, partner and data scientist at Oxbridge Economics, joined me to talk about data analysis, and statistics, and how to try to learn things in turfgrass science. We discussed NTEP, posterior distributions, disease resistance, ANOVA, total organic material expectations by species, the process of learning, and much more. ATC blog post about surface organic material of putting greens: https://www.asianturfgrass.com/post/total-organic-matter-surface-putting-greens/ Henry's 2023 CSSA presentation "On the Data Analysis of Small-Plot Field Trials in Turfgrass Science:" https://scisoc.confex.com/scisoc/2023am/meetingapp.cgi/Paper/148936 NTEP, the National Turfgrass Evaluation Program: https://ntep.org/ Oxbridge Economics: https://www.oxbridge-econ.com/about Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Doing more work to produce better turf with Jon Wall 1:07:54
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Play Later Play Later Lists Like LikedJon Wall, golf course superintendent at Shanqin Bay, joined me to discuss doing more work to make grass better, rather than doing less. And also about what I'd want everyone to do, which is doing the right amount of work for your property. We talked about many things, starting off with: Better turf conditions with more intensive maintenance blog post: https://www.asianturfgrass.com/post/doing-more-work/ Our previous conversation about sustainable turfgrass management: https://youtu.be/hXtqiYOOq1E?si=8IVV-t06JVTqcfo6 Infiltration rate: https://www.asianturfgrass.com/post/why-i-dont-worry-about-infiltration-rate/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Heat kills: a 12 point list and thermal death point temperatures for cool-season grass 27:57
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Play Later Play Later Lists Like LikedIt's summer in the northern hemisphere, and the two items discussed in this episode provide guidance on managing turf when it has to survive through heat stress. From the ATC website, a 12 point list: https://www.asianturfgrass.com/post/catching-up-on-reading-heat-stress/ From PACE Turf, the Heat Kills document: https://www.paceturf.org/member/Documents/0108.pdf Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Explaining MLSN and assessing ball roll on putting greens, with Carl Schimenti 1:31:17
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Play Later Play Later Lists Like LikedCarl Schimenti from Cornell University joined me to discuss intro to #MLSN explanations vs. using MLSN the way it is designed to be used. We also talked a lot about ball roll assessment using the #BobbleTest, and the USGA GS3 ball, and other methods. MLSN project page: https://www.asianturfgrass.com/mlsn/ Daniel Palin with the MLSN test on The Talking Greenkeper: https://podcasts.apple.com/us/podcast/daniel-palin/id1435947281?i=1000647459615 Blog post on one additional chatter of snaking event in three rolls: https://www.asianturfgrass.com/post/one-chatter-or-snaking-event-in-every-third-ball-roll/ Linde et al. on "Comparing Three Methods to Measure Putting Green Trueness" https://doi.org/10.2134/itsrj2016.05.0332 My video on How to measure the smoothness and trueness of golf course putting greens? https://youtu.be/Fg_aDTB-O10?si=ZA4rgU2A1SLACrJ5 Bobble test rating scale: https://www.asianturfgrass.com/post/bobble-test-rating-scale/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Checking phosphorus gradients on putting greens with an upper and lower rootzone sample 38:08
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Play Later Play Later Lists Like LikedSoil P, pH, and salinity are a few things that likely vary by depth in your rootzone. I've started recommending that 20% of putting greens tested be done with a sample divided at the 5 cm depth. Send the lab a 0-5 cm and 5-10 cm depth sample from that green, rather than the standard 0-10 cm depth sample. I discussed this blog post: https://www.asianturfgrass.com/post/reconstructing-soil-p-from-disassembled-soil-samples/ The MLSN page on the ATC site: https://www.asianturfgrass.com/mlsn/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Spring green-up of cool and warm-season grasses with Maggie Reiter 1:08:45
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Play Later Play Later Lists Like LikedMaggie Reiter joined me to discuss how the start (and end) of the turfgrass maintenance season might be predicted. When is spring green-up? When does the season end? We discussed, and showed charts of growth potential and temperature, from this post: https://www.asianturfgrass.com/post/maps-of-average-temperatures-in-the-usa/ The Sunday Lawn Care plans We discussed the article "An examination of turfgrass species use on golf course putting greens" by Brosnan et al., which you can read, and see the maps of species use, at: https://doi.org/10.1002/cft2.20160 The 15th International Turfgrass Research Conference will be held in July 2025 at Karuizawa, Japan: https://itrc2025.turfsociety.com/ See our previous conversation about ecoregions at: https://www.youtube.com/watch?v=TP3XmNyDN6s Black sand topdressing in Iceland to increase temperature: https://www.asianturfgrass.com/post/turfgrass-mystery-the-case-of-the-greener-grass/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 How many hours until the grass wilts? Predicting soil water content with Dr. Bill Kreuser 1:01:27
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Play Later Play Later Lists Like LikedBill Kreuser, Ph.D., president of GreenKeeper, joined me to discuss the new water resource planning tools in GreenKeeper, along with disease risk, PGRs, soil surfactants, and weather data. See more about these tools at the GreenKeeper app: https://www.greenkeeperapp.com/ Irrigation posts at the ATC website: https://www.asianturfgrass.com/tag/irrigation/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Core sweepers make aeration easier, ball roll after 270 rounds, and estimating N in clippings 34:35
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Play Later Play Later Lists Like LikedI discuss small plot university research with fixed treatments vs. golf course and sports turf maintenance with treatments that vary, and consider which results we should trust more. I also discuss the bobble test after 270 rounds, mention that core sweepers are a nice machine, and explain how I estimate N harvested in creeping bentgrass clippings. Posts discussed and relevant links include: https://www.asianturfgrass.com/post/ball-roll-after-270-rounds/ Short bobble test video with T-Jay Creamer: https://youtu.be/Y2Fbw8Ks-gE ATC2x episode with T-Jay about management of the greens: https://youtu.be/NJwc7XJQRGk Bobble test rating scale: https://www.asianturfgrass.com/post/bobble-test-rating-scale/ MSU Turfgrass Information File database: https://tic.msu.edu/database https://www.asianturfgrass.com/post/green-sweepers-that-work-beautifully/ Cleaning aerification cores the easy way in Japan: https://youtu.be/yv26e9rqwBw https://www.asianturfgrass.com/post/nitrogen-harvested-in-clippings-calculation-update-for-2024/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 What you should know about soil test P, spring growth, and #TurfSpeedo calculations 50:41
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Play Later Play Later Lists Like LikedI describe what we can learn from looking at five years of Mehlich 3 soil test phosphorus results from golf course putting greens, how to calculate the turfgrass speedo in a standard way, rather than in a chaotic way, and recommend an episode of the Cornell Turfgrass Show that asks if soil testing is the answer to all your problems. These are the links to posts and videos mentioned in the show: https://www.asianturfgrass.com/post/mehlich-3-soil-test-p-in-sand-rootzones/ https://www.asianturfgrass.com/post/spring-growth-flush/ https://www.asianturfgrass.com/post/soil-testing-cornell-turfgrass-show/ https://youtu.be/LHEs7vT2hfU Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Putting surface management, the turf speedo (growth ratio), & surprising results with T-Jay Creamer 1:07:29
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Play Later Play Later Lists Like LikedT-Jay Creamer joined me to discuss bentgrass & Poa annua (bent-Poa) management with a surprisingly low annual N rate, almost no use of PGRs, and no aeration (other than occasional needle tining) for more than two years. The results surprise me, and they may surprise you too. We discussed this blog post about the turf speedo: https://www.asianturfgrass.com/post/turf-speedo-looks-like-this/ Follow T-Jay on X at https://x.com/TJayC17 Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 P fertilizer & Poa, the #MLSN time issue, and #ClipVol annual totals 40:06
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Play Later Play Later Lists Like LikedIn this episode, I discuss sixteen year old bentgrass greens that have also gone sixteen years without P fertilizer. The greens are also free of Poa annua . Then I discuss how fertilizer recommendations made from soil tests are a lot more precise if the time duration over which the fertilizer is being recommended is considered explicitly. And I explain why, when measuring #ClipVol, you will get value from annual totals too. P & Poa with Bob Raley is this post https://www.asianturfgrass.com/post/no-poa-after-16-years/ and this video https://youtu.be/s90tIstilbw The time component of #MLSN post is https://www.asianturfgrass.com/post/the-time-component-of-soil-test-interpretation/ The annual clipping yield post is https://www.asianturfgrass.com/post/the-annual-and-year-to-date-yield/ and links to this video https://youtu.be/8DdekceL9jE Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Optimal and practical overseeding windows with Jim Huntoon 1:04:46
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Play Later Play Later Lists Like LikedJim Huntoon joined me from Horry-Georgetown Technical College to discuss overseeding and the hows and whys of this common practice on warm-season turf that goes dormant in winter. We discussed these two blog posts: - https://www.asianturfgrass.com/post/optimum-overseeding-time-windows/ - https://www.asianturfgrass.com/post/zoysia-beats-bermuda-on-some-greens/ You can see my slides and handout from the Palmetto GCSA Education Meeting at this link: https://www.asianturfgrass.com/seminar/palmetto-2024/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Botanical walks, ecoregions, and MLSN for lawns with Maggie Reiter 1:08:26
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Play Later Play Later Lists Like LikedMaggie Reiter joined me to reminisce about the grasses one can find at the back of the 7th green at Pebble Beach Golf Links, to consider soil test results for lawns, what the biggest problems are on lawns and whether solutions exists, and much more. Maggie is a Data Scientist at Sunday, https://www.getsunday.com/ The blog post with the photo of grasses at Pebble Beach is: https://www.asianturfgrass.com/post/flights-turf-photos/ We discussed EPA ecoregion maps, which you can read more about at https://www.epa.gov/eco-research/ecoregions and can see the especially detailed ones at https://www.epa.gov/eco-research/level-iii-and-iv-ecoregions-continental-united-states The original MLSN guidelines, first presented at the Bouyoucos Conference in 2012, are available at: https://www.paceturf.org/PTRI/Documents/201408_stowell_woods_mlsn.pdf MLSN calculations for micronutrients are here: https://www.paceturf.org/memberedition/mlsn-for-micronutrients The Carrow et al. article from 2004 on SLAN ranges is available at https://www.files.asianturfgrass.com/clarify3.pdf Soil test lab tour at Brookside Labs: https://youtu.be/PyL2bfdiBdE Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Listen to the ATC Doublecut with Micah Woods podcast at https://doublecut.asianturfgrass.com/ Listen to the ATC Office Hours podcast at https://office-hours.asianturfgrass.com/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 An example of ample light when temperature limits growth 23:33
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Play Later Play Later Lists Like LikedThis is a follow-up to the episode last week when I mentioned that I was looking at snow outside, that the light would be ample for growth, but the temperatures were below freezing and thus temperature was limiting the growth. I discuss the new blog post that shows those light data. An example of ample DLI: https://www.asianturfgrass.com/post/an-example-of-ample-dli/ The USGA Green Section Record with the fine podcast, frost research, Pat Jones article, and much more: https://www.asianturfgrass.com/post/breaking-the-ice/ The @TurfgrassEpistemology episode with Travis Shaddox on K and soil testing: https://www.youtube.com/live/aSZwz75aIig?si=Ip9JcBo41Poy_Ras Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 The combination of light (DLI) and temperature (GP) 45:58
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Play Later Play Later Lists Like LikedThe growth potential converts air temperature to a 0 to 1 (or 0 to 100%) scale. Of course, there are a lot more things that affect actual growth, including light, nitrogen, and water. I discuss these and why I'm not so convinced that adding a light factor to GP makes it more useful. The blog post discussed here is https://www.asianturfgrass.com/post/light-and-gp-again/ This calculator finds full sun PPFD and DLI for any location on any date: https://asianturfgrass.shinyapps.io/ppfd_by_time/ Park Nobel's environmental productivity index is described in this article: https://esajournals.onlinelibrary.wiley.com/doi/abs/10.2307/1938497 It's also mentioned in his text book Physiochemical and Environmental Plant Physiology: https://www.sciencedirect.com/book/9780128191460/physicochemical-and-environmental-plant-physiology Travis Shaddox's Turfgrass Epistemology channel: https://www.youtube.com/@TurfgrassEpistemology Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Leaf N normals from PACE, plus #OM246 video, #MLSN testing, #TurfMath, and soil test frequency 43:08
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Play Later Play Later Lists Like LikedThis episode goes through a lot of updates from both the ATC and the PACE Turf websites. Topics discussed include OM246, the problem with frequent soil testing, the problem when getting soil tests done by some fertilizer companies, normal N content of grass leaves, and coefficient of uniformity (Cu) of rootzone sands. More information and and decision-making tools at https://www.paceturf.org/ , this episode's sponsor. Blog posts discussed include: https://www.asianturfgrass.com/post/new-om246-video-script/ which corresponds with this video https://youtu.be/Tc8dcBBt1zc https://www.asianturfgrass.com/post/nutrient-harvest-turf-math/ https://www.asianturfgrass.com/post/testing-mlsn/ https://www.asianturfgrass.com/post/couple-problems-with-year-round-soil-nutrient-analysis/ https://www.asianturfgrass.com/post/five-down-one-to-go/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://www.asianturfgrass.com/newsletter/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Adam Moeller on sand, #OM246, #ClipVol, and putting green management in 2024 1:10:50
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Play Later Play Later Lists Like LikedAdam Moeller joined me to discuss how to manage greens in 2024. We talked about his research at Purdue University on sand and bentgrass and coring and N rates, and about clipping volume and OM246 testing and how we might manage turf and look at sands today. This post got the Doublecut introduction, about how to figure out an estimate of N harvest from clippings, and how to systematically adjust N rate based on turfgrass growth ratio: https://www.asianturfgrass.com/post/growth-ratio-nitrogen-harvest-and-fertilizer-adjustment/ Adam's website is https://www.moellerconsultingllc.com/ He posted this chart on X showing a particle size distribution curve: https://x.com/AdamMoeller/status/1756301012392960446 Here's another example of a curve from the PACE Turf gallery: https://www.paceturf.org/gallery/detail/s-curve-with-sand-particle-size-of-topdressing-sand-and-om2-sand We discussed the 2016 article with Todd Lowe on Managing Organic Matter in Putting Greens and the sand topdressing recommendations in that article: https://gsrpdf.lib.msu.edu/?file=/article/moeller-lowe-managing-11-4-16.pdf Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Physical testing of golf putting green rootzones & soil nutrient sampling with Brian Mavis 59:28
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Play Later Play Later Lists Like LikedBrian joined me to discuss his recommended soil sampling strategy for an 18 hole golf course. We also discussed what he teaches in a 2 hour GCSAA seminar on physical testing. Mavis Consulting website with lots of resources: http://mavisconsulting.com/ This blog post on soil sampling got the Doublecut treatment: https://www.asianturfgrass.com/post/composite-samples-1/ Brian's article on turf testing techniques from GCM magazine: https://www.gcmonline.com/course/maintenance/news/turf-testing-techniques Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://subscribepage.com/atc_newsletters Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Listen to the ATC Doublecut with Micah Woods podcast at https://doublecut.asianturfgrass.com/ Listen to the ATC Office Hours podcast at https://office-hours.asianturfgrass.com/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Forget about fertilizing with carbon, with Dr. Bryan Hopkins 42:31
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Play Later Play Later Lists Like LikedThe 2018 article by Bryan and Tyler Hopkins, "Carbon: the next frontier in fertilization?" concludes that we "should not be fertilizing with carbon." Bryan joined me to discuss this article. The blog post about their article remains one of the top viewed on the ATC website, six years after publication: https://www.asianturfgrass.com/post/is-carbon-the-next-frontier-in-fertilization/ Original article from Crops & Soils: https://doi.org/10.2134/cs2018.51.0307 My calculation of how much carbon is in the soil: https://www.asianturfgrass.com/post/how-much-carbon-and-humus-are-in-the-soil/ Dr. Carrow's calculations of humic material in the soil: https://www.asianturfgrass.com/post/asking-the-right-questions/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Annual sand topdressing quantities, zoysia seeds, and a measuring laser 36:23
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Play Later Play Later Lists Like LikedZoysiagrass can seed year round when the conditions are right. In this episode, I discuss what those conditions are, share some tools for getting a site-specific sand topdressing estimate, describe the reshuffling of top posts on the ATC website, and discuss using a line laser to measure the effective height of cut. I have also recently been the guest on The Tie podcast and on The Talking Greenkeeper. Listen to those episodes and then let me know if you think the philosophy of greenkeeping I discussed makes any sense. The Tie: https://podcasts.apple.com/us/podcast/micah-woods-leading-turf-grass-scientist/id1583596139?i=1000643868377 The Talking Greenkeeper: https://podcasts.apple.com/us/podcast/the-micah-woods-annual-holiday-special/id1435947281?i=1000639222356 Zoysia seeds: https://www.asianturfgrass.com/post/daylength-temperature-and-zoysia-seeds/ Annual sand topdressing amounts: https://www.asianturfgrass.com/post/annual-sand-topdressing-amounts/ Top post reshuffle: https://www.asianturfgrass.com/post/the-annual-reshuffling-of-top-posts/ Effective cutting height with laser measurement: https://www.asianturfgrass.com/post/measuring-effective-cutting-height-with-a-laser/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://www.asianturfgrass.com/newsletter/ Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Listen to the ATC Doublecut with Micah Woods podcast at https://doublecut.asianturfgrass.com/ Listen to the ATC Office Hours podcast at https://office-hours.asianturfgrass.com/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Blog post bombs of 2023 with Joe Gulotti 1:58:31
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Play Later Play Later Lists Like LikedJoe Gulotti, The Talking Greenkeeper, joined me to discuss the ATC blog posts that received the fewest views in 2023. We give these topics one more chance, while talking about quality of ball roll, playability, fertilizer, surface firmness, seminars, translation, and much more. The blog post with these 10 blog post "bombs" is https://www.asianturfgrass.com/post/ten-posts-no-one-read-2023/ Joe's The Talking Greenkeeper podcast is at https://podcasts.apple.com/us/podcast/the-talking-greenkeeper/id1435947281 Our "Holiday Special" episode is at https://podcasts.apple.com/us/podcast/the-micah-woods-annual-holiday-special/id1435947281?i=1000639222356 Joe's conversation with Matt Shaffer is at https://podcasts.apple.com/us/podcast/matt-shaffer/id1435947281?i=1000642712369 Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://subscribepage.com/atc_newsletters Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Listen to the ATC Doublecut with Micah Woods podcast at https://doublecut.asianturfgrass.com/ Listen to the ATC Office Hours podcast at https://office-hours.asianturfgrass.com/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Nitrogen, coring, the pH chart, hourly ET, growth rate, and surface hardness: top posts of the year 34:48
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Play Later Play Later Lists Like LikedWith Google Analytics I can check the pages on the ATC website that get the most views. These were the ten posts from 2023 that got the most pageviews. These posts are listed, with direct links to each, at https://www.asianturfgrass.com/post/ten-posts-no-one-read-2023/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://subscribepage.com/atc_newsletters Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Listen to the ATC Doublecut with Micah Woods podcast at https://doublecut.asianturfgrass.com/ Listen to the ATC Office Hours podcast at https://office-hours.asianturfgrass.com/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Photos remind me of what I learned last year 51:25
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Play Later Play Later Lists Like LikedI looked through my "Flights and favorite turf photos" post to see what I learned, or what I was reminded of, through these photos. I discuss N rate, grass species, dormancy, traffic, leaf area, crew size, Poa annua, pesticides, and a lot more. This is the post I discussed: https://www.asianturfgrass.com/post/flights-favorite-turf-photos-2023/ I mentioned my book "A Short Grammar of Greenkeeping" https://leanpub.com/short_grammar_of_greenkeeping Here are some related videos: - About spouter sprayer https://youtube.com/shorts/MvAyLk-ZQnU?feature=share - About Australian Open volunteer experience https://youtu.be/RCaf5ByHW2Y - The Tour de Fungus https://youtube.com/shorts/x36-KkZ_VFo?feature=share - Botanical walk (tropical beachgrass) https://youtu.be/divHyrH_iPs - Botanical walk (absence of seashore paspalum by the sea) https://youtu.be/KOo6yEgi5ig Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://subscribepage.com/atc_newsletters Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Listen to the ATC Doublecut with Micah Woods podcast at https://doublecut.asianturfgrass.com/ Listen to the ATC Office Hours podcast at https://office-hours.asianturfgrass.com/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 How a conference education program gets put together with Deb Burnett & Sami Strutt 1:08:18
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Play Later Play Later Lists Like LikedIn 2018, I delivered four presentations/classes at the Continue to Learn education conference in Harrogate, England. Deb Burnett and Sami Strutt from BIGGA joined me to discuss how an education program gets put together and evaluated. The Doublecut post was: https://www.asianturfgrass.com/post/four-presentations-at-btme/ BIGGA website: https://www.bigga.org.uk/ BTME website: https://www.btme.org.uk/ Continue to Learn website: https://www.btme.org.uk/continue-to-learn.html Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://subscribepage.com/atc_newsletters Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Listen to the ATC Doublecut with Micah Woods podcast at https://doublecut.asianturfgrass.com/ Listen to the ATC Office Hours podcast at https://office-hours.asianturfgrass.com/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Topdressing by rote isn't the best way to do it, with Chris Tritabaugh 52:43
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Play Later Play Later Lists Like LikedChris Tritabaugh joined me to discuss sand topdressing, a long-running conversation we've been having with Dr. John Kaminski, the quantities of sand and N that are recommended vs. the amounts that seem to be required in modern turf maintenance, and much more. We discussed this post from the ATC website about nitrogen, coring, and sand: https://www.asianturfgrass.com/post/i-was-surprised-to-read-this-about-nitrogen-coring-and-sand/ Chris and I spoke about a similar topic in this ATC Office Hours episode: https://www.youtube.com/watch?v=atipVSlT1ws You can read Chris's Substack newsletter at https://ctunderscoreturf.substack.com?utm_source=navbar&utm_medium=web&r=dakt8 Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://subscribepage.com/atc_newsletters Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Listen to the ATC Doublecut with Micah Woods podcast at https://doublecut.asianturfgrass.com/ Listen to the ATC Office Hours podcast at https://office-hours.asianturfgrass.com/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Robotic automowers for golf course (and all kinds of) turf with Janne Lehto, MG 1:03:38
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Play Later Play Later Lists Like LikedJanne Lehto from Hirsala Golf joined me to discuss robotic automowers. Hirsala Golf currently has a fleet of 36 machines, mowing all fairways and 75% of the rough with these autonomous mowers. We discussed mowing heights, some of the interesting benefits that come with using these types of machines, and discussed a few drawbacks. Find Janne on Intstagram at https://www.instagram.com/gcc_jannenestori/ His website is https://turfgrassmastery.fi/ Janne and I talked about automowers in this Cart Rides episode: https://youtu.be/efFGhteKiu0?si=klmO-SxhZvYjJDjG We discussed the research about improved turf quality and energy savings when using automowers on manilagrass turf in Italy: https://www.asianturfgrass.com/post/produced-higher-quality-turf-autonomous/ We also discussed the source of electricity and C emissions: https://www.asianturfgrass.com/post/mowing-electricity-energy/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://subscribepage.com/atc_newsletters Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Listen to the ATC Doublecut with Micah Woods podcast at https://doublecut.asianturfgrass.com/ Listen to the ATC Office Hours podcast at https://office-hours.asianturfgrass.com/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Updated OM246 sampling guide, GP is not MLSN, and soil samples don't dry too much 41:09
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Play Later Play Later Lists Like LikedI talked about some recent blog posts, including updated #OM246 sampling instructions, there is no such thing as an MLSN nitrogen rate, soil samples cannot dry too much, and more. Links to these posts are: - https://www.asianturfgrass.com/post/mlsn-is-not-gp/ - PACE climate appraisal form https://www.paceturf.org/journal/climate - https://www.asianturfgrass.com/post/updated-om246-sampling-instructions/ - https://www.asianturfgrass.com/post/seminars-and-conferences-past-present-and-future/ - https://www.asianturfgrass.com/post/how-long-can-soil-samples-dry/ - https://www.asianturfgrass.com/post/quantitative-vs-qualitativea-little-goes-a-long-way/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://subscribepage.com/atc_newsletters Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Listen to the ATC Doublecut with Micah Woods podcast at https://doublecut.asianturfgrass.com/ Listen to the ATC Office Hours podcast at https://office-hours.asianturfgrass.com/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Wetting agent re-application intervals by growing degree days (GDD) with Bill Kreuser 1:30:30
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Play Later Play Later Lists Like LikedCan soil surfactant (wetting agent) applications be scheduled based on site temperatures? Can a growing degree day model work for this? Dr. Bill Kreuser, president of Greenkeeper, joined me to discuss his exciting progress with this research. - ATC blog post on what wetting agents really do: https://www.asianturfgrass.com/post/what-do-wetting-agents-really-do/ - Greenkeeper website post on this new era in wetting agent programming: https://www.greenkeeperapp.com/marketing/index.php/a-new-era-in-wetting-agent-programming/ - PACE Turf video on the water droplet penetration test: https://youtu.be/ujtvjFvKPJk?si=cHEUyCFhrDkyH4QE - Birdie dances including two from Mammoth Dunes, thanks to Bill for the fine photography https://www.micahwoods.com/post/evolution-style/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://subscribepage.com/atc_newsletters Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Listen to the ATC Doublecut with Micah Woods podcast at https://doublecut.asianturfgrass.com/ Listen to the ATC Office Hours podcast at https://office-hours.asianturfgrass.com/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Bentgrass greens in Perth summer temperatures with Fraser Brown 1:15:45
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Play Later Play Later Lists Like LikedLake Karrinyup Country Club in Perth, Western Australia has creeping bentgrass greens and sometimes sees high temperatures over 40 °C. Course superintendent Fraser Brown joined me to discuss how he and the maintenance team manage the grass in this year-round golfing climate. Find Fraser on X at https://twitter.com/FraserJBrown_ Read the ATM profile "From Kingussie to Karrinyup" about Fraser: https://files.asianturfgrass.com/2023_atm_fraser_brown.pdf We discussed growing bentgrass in tropical temperatures: https://www.asianturfgrass.com/post/bentgrass-tropical-temperatures/ We also discussed being reactive and proactive in greenkeeping: https://www.asianturfgrass.com/post/is-reactive-better-than-proactive/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://subscribepage.com/atc_newsletters Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Listen to the ATC Doublecut with Micah Woods podcast at https://doublecut.asianturfgrass.com/ Listen to the ATC Office Hours podcast at https://office-hours.asianturfgrass.com/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Maximum N rates that work when linked to growth potential (GP) with Dr. Michael Bekken 40:25
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Play Later Play Later Lists Like LikedI spoke with Michael Bekken about normal nitrogen rates, why they vary so much, why that matters, what a normal N rate linked to growth potential (GP) might be, and greenhouse gas emissions from turfgrass maintenance. We talked about: - how to keep up with turf info from ATC and PACE Turf, https://www.asianturfgrass.com/post/whats-the-best-way-to-keep-up/ - ATC newsletters, https://www.asianturfgrass.com/newsletter/ - Bekken et al. on golf course nitrogen use efficiency: https://doi.org/10.1002/glr2.12049 - Bekken et al. on greenhouse gas emissions from golf course maintenance: https://doi.org/10.1002/its2.61 - my blog post on conventional mowers, electric mowers, and electricity generation: https://www.asianturfgrass.com/post/mowing-electricity-energy/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://subscribepage.com/atc_newsletters Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Listen to the ATC Doublecut with Micah Woods podcast at https://doublecut.asianturfgrass.com/ Listen to the ATC Office Hours podcast at https://office-hours.asianturfgrass.com/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Sand topdressing rates, soil organic matter/material, cultivation, and K with Chas Schmid 1:24:56
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Play Later Play Later Lists Like LikedDr. Chas Schmid has been involved with many of the same topics I often study and consider---sand topdressing, potassium fertilization, soil organic matter, putting green performance, and so on. His data, and plenty of photographic evidence, also show that there can be completely different outcomes than what I might have expected. We discuss this, on a range of topics, in this episode. - Follow Chas on X: https://twitter.com/Chas_Schmid - We discussed as a starting point, this blog post: https://www.asianturfgrass.com/post/updated-sand-topdressing-by-gp/ - This survey article about topdressing and OM: Organic Matter Concentration of Creeping Bentgrass Putting Greens in the Continental U.S. and Resident Management Impact: https://turf.unl.edu/Presentations/2018/the_canadian_2018_1.pdf - Potassium and Poa annua: https://doi.org/10.2134/agronj2018.03.0147 - OSU 2023 summer field day book with updates on some of the projects we discussed: https://horticulture.oregonstate.edu/sites/agscid7/files/2023_osu_turf_summer_field_day_aug_31_2023_final.pdf Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://subscribepage.com/atc_newsletters Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Listen to the ATC Doublecut with Micah Woods podcast at https://doublecut.asianturfgrass.com/ Listen to the ATC Office Hours podcast at https://office-hours.asianturfgrass.com/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Fertilizer by "program" vs. application by a flexible system 30:52
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Play Later Play Later Lists Like LikedThis considers fertilizer programs, whether research can be misleading when fertilizer is applied at fixed rates on calendar schedules, and why I'm excited about the utility of the growth ratio. Blog posts discussed include: - https://www.asianturfgrass.com/post/already-proving-to-be-more-valuable-than-i-originally-expected/ - https://www.asianturfgrass.com/post/coring-three-times-a-year-is-recommended-when/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://subscribepage.com/atc_newsletters Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Listen to the ATC Doublecut with Micah Woods podcast at https://doublecut.asianturfgrass.com/ Listen to the ATC Office Hours podcast at https://office-hours.asianturfgrass.com/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Documenting progress by comparing totals from one year to the next with Jon Wall 58:56
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Play Later Play Later Lists Like LikedI was a co-author, in 2013, of an article with the title "Documenting your progress toward sustainability." Jon Wall joined me to discuss this topic, and to consider whether keeping track of annual totals of inputs and resource use in a few key areas can be a meaningful way to document sustainable land management practices in the golf industry. The blog post we discussed, with a link to the full article, is at: https://www.asianturfgrass.com/post/documenting-your-progress-toward-sustainability/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://subscribepage.com/atc_newsletters Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Listen to the ATC Doublecut with Micah Woods podcast at https://doublecut.asianturfgrass.com/ Listen to the ATC Office Hours podcast at https://office-hours.asianturfgrass.com/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 How much soil organic matter is too much? Plus Zoysia, circle mows, botany, and ecology 39:39
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Play Later Play Later Lists Like LikedI flipped through four recent blog posts, about zoysia seedheads on putting greens, the practical question of how much organic matter (or total organic material is too much), seminars in France, circle mows, and botanical walks to find grass growing in nature. Links to these posts are: https://www.asianturfgrass.com/post/seedheads-greens-height-zoysia/ https://www.asianturfgrass.com/post/how-much-om-is-too-much/ https://www.asianturfgrass.com/post/le-tour-de-france-de-micah-woods/ https://www.asianturfgrass.com/post/botanical-walks-and-circle-cuts/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://subscribepage.com/atc_newsletters Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Listen to the ATC Doublecut with Micah Woods podcast at https://doublecut.asianturfgrass.com/ Listen to the ATC Office Hours podcast at https://office-hours.asianturfgrass.com/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 The bobble test scoring scale and what the test is used for with Chris Tritabaugh 1:29:17
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Play Later Play Later Lists Like LikedChris Tritabaugh joined me to discuss the #bobbletest scoring scale and the overall utility of this test. It is used for assessing the smoothness and trueness of ball roll on golf course putting greens. I find the measurements useful as a way to systematically adjust maintenance work. The blog post we discussed, with a link to the "Perfectly True" article, and with the ATC scoring scale, is: https://www.asianturfgrass.com/post/bobble-test-rating-scale/ Two more videos on this topic are: - https://youtu.be/0n09f5E5rKg?si=K2fQzyM5zUR_9QWb - https://youtu.be/Fg_aDTB-O10?si=biDdK2AiR-bMy-4G Read Chris's Substack and get his podcast here: https://ctunderscoreturf.substack.com/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://subscribepage.com/atc_newsletters Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Listen to the ATC Doublecut with Micah Woods podcast at https://doublecut.asianturfgrass.com/ Listen to the ATC Office Hours podcast at https://office-hours.asianturfgrass.com/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Total organic material testing and reacting to soil test results with John Rowland 1:05:07
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Play Later Play Later Lists Like LikedDr. John Rowland from the USGA Green Section Florida region joined me to discuss soil sampling, seasonal soil pH changes, plus sampling and testing methodology for total organic material (#OM246) tests. We discussed this post: https://www.asianturfgrass.com/post/seasonal-soil-ph-change/ See articles by Dr. Rowland, including the one we discussed about organic material testing, at https://tic.lib.msu.edu/tgif/flink?name=Rowland,%20John Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://subscribepage.com/atc_newsletters Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Listen to the ATC Doublecut with Micah Woods podcast at https://doublecut.asianturfgrass.com/ Listen to the ATC Office Hours podcast at https://office-hours.asianturfgrass.com/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Change in ball roll on putting greens from morning to afternoon 39:20
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Play Later Play Later Lists Like LikedEveryone knows a golf green is smoothest right after the morning work, with some decrease in smoothness as the day goes on. How much does the smoothness and trueness of the roll decrease? I measured it. The blog post discussed here is: https://www.asianturfgrass.com/post/one-chatter-or-snaking-event-in-every-third-ball-roll/ Linde et.al's article on "Comparing three methods to measure putting green trueness:" https://doi.org/10.2134/itsrj2016.05.0332 ATC Doublecut episode about the GS3 ball from the USGA: https://youtu.be/27ZkAUbs_sA?si=FjpJ3MScvKQVxv85 Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://subscribepage.com/atc_newsletters Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Listen to the ATC Doublecut with Micah Woods podcast at https://doublecut.asianturfgrass.com/ Listen to the ATC Office Hours podcast at https://office-hours.asianturfgrass.com/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Using turf math, mg/kg, ppm, and fertilizer rates, with Bjarni Hannesson 1:25:56
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Play Later Play Later Lists Like LikedBjarni Hannesson joined me to discuss parts per million (ppm) and how that measure of nutrients in the soil can be expressed as a fertilizer rate, and vice versa. This turns out to be really useful. At least Bjarni and I think so. For more, see the #MLSN cheat sheet: https://www.asianturfgrass.com/post/new-mlsn-cheat-sheet/ See the Global Soil Survey results and data at: https://osf.io/ej58z See the PACE Turf MLSN page: https://www.paceturf.org/journal/minimum_level_for_sustainable_nutrition Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://subscribepage.com/atc_newsletters Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Listen to the ATC Doublecut with Micah Woods podcast at https://doublecut.asianturfgrass.com/ Listen to the ATC Office Hours podcast at https://office-hours.asianturfgrass.com/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Does a location exist with 365 days a year of high GP for cool-season grass? 28:37
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Play Later Play Later Lists Like LikedThe temperature-based growth potential, developed by PACE Turf , transforms the average air temperature to a growth potential (GP). The GP is conveniently scaled from 0 to 1 (or from 0 to 100%, if you prefer), and high GP values indicate that the air temperature is close to an optimum for grass growth. This episodes looks at a very interesting question: are there places on earth with a high GP for cool-season grass, all the year round? See this blog post for charts and a full explanation: https://www.asianturfgrass.com/post/places-with-high-gp-all-year-long/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://subscribepage.com/atc_newsletters Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Listen to the ATC Doublecut with Micah Woods podcast at https://doublecut.asianturfgrass.com/ Listen to the ATC Office Hours podcast at https://office-hours.asianturfgrass.com/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 "Blown away by the quality" of turfgrass by a simple method of adjusting N fertilizer 38:15
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Play Later Play Later Lists Like LikedAn anonymous golf course superintendent wrote that they were "blown away by the quality of these surfaces with an amount of nitrogen I would’ve thought was far too small." I discuss this, and some of the changes I'm made in my thinking about what is "far too small," or not. Also, I discuss some of the preventative fungicide and herbicide applications on golf courses in Japan that keep the zoysia surfaces looking so clean in winter. See: - https://www.asianturfgrass.com/post/nitrogen-amount-far-too-small/ - https://www.asianturfgrass.com/post/flipping-things-around/ - https://www.asianturfgrass.com/post/is-two-tenths-of-a-pound-of-nitrogen-a-lot-or-a-little/ - https://www.asianturfgrass.com/post/keeping-turf-free-of-weeds-diseases-insects/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://subscribepage.com/atc_newsletters Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Listen to the ATC Doublecut with Micah Woods podcast at https://doublecut.asianturfgrass.com/ Listen to the ATC Office Hours podcast at https://office-hours.asianturfgrass.com/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 A daily tournament diary from the 2023 KBC Augusta golf tournament in Japan 30:46
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Play Later Play Later Lists Like LikedI spent nine days at the KBC Augusta golf tournament in 2023. In this episode, I introduce the blog post with the daily diary of my observations and measurements during the week. You can see the blog post at https://www.asianturfgrass.com/post/tournament-diary-kbc-augusta-2023/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://subscribepage.com/atc_newsletters Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Listen to the ATC Doublecut with Micah Woods podcast at https://doublecut.asianturfgrass.com/ Listen to the ATC Office Hours podcast at https://office-hours.asianturfgrass.com/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Reflections on a July with record heat and drought 31:26
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Play Later Play Later Lists Like LikedAndrew McDaniel and I worked together at Habu CC in July 2001. We also worked together at the 50th KBC Augusta tournament in August 2023. I reflect on, and discuss, both of these, in this episode. The blog post discussed is: https://www.asianturfgrass.com/post/looking-back-at-a-july-with-record-heat-and-drought/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://subscribepage.com/atc_newsletters Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Listen to the ATC Doublecut with Micah Woods podcast at https://doublecut.asianturfgrass.com/ Listen to the ATC Office Hours podcast at https://office-hours.asianturfgrass.com/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Green firmness measurements after using a 4 ton roller (it actually didn't firm the surface much) 33:02
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Play Later Play Later Lists Like LikedAndrew McDaniel joined me from the Keya GC maintenance office to discuss firmness measurements of putting greens, using a 4 ton roller on the greens, and why the greens make a crunching noise when walking across them. See the blog post we discussed at: https://www.asianturfgrass.com/post/putting-green-data-from-measurement-to-summary/ See the Shorts videos on the ATC YouTube channel: ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter See the crunchy zoysia green video on Twitter at: https://twitter.com/asianturfgrass/status/1694144794254361038?s=20 Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://subscribepage.com/atc_newsletters Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf Listen to the ATC Doublecut with Micah Woods podcast at https://doublecut.asianturfgrass.com/ Listen to the ATC Office Hours podcast at https://office-hours.asianturfgrass.com/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Tournament golf and zoysia greens are a fascinating combination 32:18
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Play Later Play Later Lists Like LikedI recorded this from Keya Golf Club, which will host the 50th KBC Augusta golf tournament on korai (Zoysia matrella) putting greens this week. I explained why I find this grass on putting greens so interesting, and some of the measurements I'll be making this week. I discussed this blog post: https://www.asianturfgrass.com/post/tournament-golf-on-zoysia-greens/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://subscribepage.com/atc_newsletters Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Listen to the ATC Doublecut with Micah Woods podcast at https://doublecut.asianturfgrass.com/ Listen to the ATC Office Hours podcast at https://office-hours.asianturfgrass.com/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 The growth ratio for consistent growth and nitrogen fertilizer adjustment with Jason Haines 40:27
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Play Later Play Later Lists Like LikedJason Haines joined me for another #TurfMath episode to explain what the growth ratio is, how he uses it, and how he calibrates it. See this post for the equation and links: https://www.asianturfgrass.com/post/the-growth-ratio-equation/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://subscribepage.com/atc_newsletters Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Listen to the ATC Doublecut with Micah Woods podcast at https://doublecut.asianturfgrass.com/ Listen to the ATC Office Hours podcast at https://office-hours.asianturfgrass.com/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Turf Math with Bjarni Hannesson and Jason Haines 1:23:05
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Play Later Play Later Lists Like LikedWe discussed the ease of metric units and the utility of knowing some key numbers in turfgrass maintenance. We discussed this post: https://www.asianturfgrass.com/post/attractions-of-metric-units/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://subscribepage.com/atc_newsletters Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Listen to the ATC Doublecut with Micah Woods podcast at https://doublecut.asianturfgrass.com/ Listen to the ATC Office Hours podcast at https://office-hours.asianturfgrass.com/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Using morning and afternoon VWC measurements to find the site specific crop coefficient #TurfHacks 33:36
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Play Later Play Later Lists Like LikedOne of the things you can do when you are able to express soil water content as a depth of water, and vice versa, is to express the water loss rate from the soil divided by the reference evapotranspiration. Now you've got a rough estimate of a site specific crop coefficient. I explained how to do that in this post: https://www.asianturfgrass.com/post/hourly-evapotranspiration-soil-water-content-and-crop-coefficient/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get ATC newsletters at https://subscribepage.com/atc_newsletters Turfgrass information and decision-making tools at https://www.paceturf.org/ PACE Turf YouTube channel at https://www.youtube.com/user/paceturf ATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter Listen to the ATC Doublecut with Micah Woods podcast at https://doublecut.asianturfgrass.com/ Listen to the ATC Office Hours podcast at https://office-hours.asianturfgrass.com/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
For as long as I can remember, I've used the easy 1 mm = 1 L = 1% soil volumetric water content (VWC) relationship when converting between water use by grass, ET, irrigation, and soil VWC. Bill Kreuser shared the simple calculation to work this out in inches, for any rootzone depth. The post discussed here is https://www.asianturfgrass.com/post/soil-water-content-turf-hacks/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 I prefer sand topdressing amounts expressed as a depth 36:49
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Play Later Play Later Lists Like LikedI gave three reasons for my preference that sand topdressing amounts be expressed as a depth. One is consistency and standardization. Depth means the area to which the sand has been applied is already accounted for. Others include easy calculation and integration with #OM246, plus clear communication. The posts discussed here include these: https://www.asianturfgrass.com/post/three-reasons-sand-depth/ https://www.asianturfgrass.com/post/more-observations-about-course-maintenance-in-japan/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Golf in Japan: maintenance staff numbers, rounds played, number of holes, and annual N rates 36:11
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Play Later Play Later Lists Like LikedDid you know Japan has as many golf holes as England, Scotland, and New Zealand combined? I visited 11 golf facilities in Japan and discuss some of the interesting equipment and numbers related to the maintenance of those courses. The blog post getting the #ATC2x treatment is: https://www.asianturfgrass.com/post/japan-golf-by-numbers/ The roller with "landing gear" and the 126 hole facility are in this post: https://www.asianturfgrass.com/post/rolling-japan-golf-best-zoysia-course-in-world/ More information about the International Turfgrass Society and the July 2025 International Turfgrass Research Conference in Japan at https://turfsociety.com/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Grass gets this much PAR light in full sun (no clouds) 36:15
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Play Later Play Later Lists Like LikedFor any date, time, and location, it's possible to calculate the amount of light grass would get in full sun. I describe how this is done, and show a calculator that will find this value for you. Direct link to the blog post: https://www.asianturfgrass.com/post/shade-and-sun/ Direct link to the PPFD calculator: https://asianturfgrass.shinyapps.io/ppfd_by_time/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Coring three times a year with half-inch tines on bentgrass putting greens 41:08
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Play Later Play Later Lists Like LikedA research article recommended two spring and one autumn hollow-tine aerification, supplemented by solid-tine aerification during summer, for creeping bentgrass putting greens in the transition zone. I discussed this, and include links to the article, in this post: https://www.asianturfgrass.com/post/coring-three-times-a-year-is-recommended-when/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 The shade effect of clouds, photosynthetically active radiation, and 2 PAR apps 40:42
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Play Later Play Later Lists Like LikedClouds reduce photosynthetically active radiation by about 25% when you can still see your shadow. When you can't see your shadow, that's about 50% of PAR blocked. And when you can't see your shadow and can't find what part of the sky the sun is in, that's about 75% PAR reduction. Read about this on a cloudy day in Tokyo, and see two apps that allow you to either check the full sun instantaneous PAR, the full sun daily PAR, or the past year of PAR, for pretty much anywhere in the world: https://www.asianturfgrass.com/post/shade-effect-of-clouds/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 It's tough to manage cool-season putting greens when ΔGP is less than 0 47:44
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Play Later Play Later Lists Like LikedThis episode introduces ΔGP, which is cool-season grass growth potential minus warm-season growth potential. Too many days like that and you won't bother trying to grow cool-season grass anymore. Also, best time of the year to soil sample, a superb podcast from Chris Tritabaugh, and a careful look at the difference between soil organic matter and total organic material. These posts were discussed: Delta GP and summer of 2022: https://www.asianturfgrass.com/post/last-summer-at-36-locations/ Best time to soil sample: https://www.asianturfgrass.com/post/best-time-of-year-to-soil-sample/ Tritabaugh, Rossi, and Park Grass: https://www.asianturfgrass.com/post/distracting-us-from-the-real-challenges/ All about OM246 testing and the different procedures at the lab: https://www.asianturfgrass.com/post/all-about-om246/ See the ATC newsletters at https://subscribepage.com/atc_newsletters Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Transition zone putting greens, light, speed, zoysia, bermuda, and bentgrass with Mike Richardson 1:03:23
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Play Later Play Later Lists Like LikedMike Richardson from the University of Arkansas joined me to discuss zoysia on putting greens, light requirements of different grass species, grass selection in the transition zone, green speed, and winterkill in a wide ranging conversation. You can find Mike on Twitter at https://twitter.com/ArkansasTurf Here are links to some of the topics we discussed: - This post with the green speed by species kicked off this doublecut: https://www.asianturfgrass.com/post/green-speed-ridgeline-plot/ - Warm-season grass NTEP green speed: https://www.asianturfgrass.com/post/zoysia-green-speed/ - Thomas Walton's thesis about Lazer and Tifeagle on greens: https://scholarworks.uark.edu/etd/4396/ - Video with Tyler Carr about greens-type zoysia in Knoxville: https://youtu.be/oNw9fPqm6YY - Article by Karcher, Richardson, and O'Brien on measuring light: https://gcmonline.com/course/environment/news/turfgrass-light-requirements - Travis Russell's thesis on daily light integral: https://scholarworks.uark.edu/etd/2778/ - Global DLI app to find DLI at your location: https://youtu.be/6kPkHRVIAww - The Turfgrass Twilight zone, from a 1952 report: https://www.asianturfgrass.com/post/turfgrass-twilight-zone/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Reflections on growth rate, nitrogen, and disruption, with Chris Tritabaugh 1:03:43
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Play Later Play Later Lists Like LikedI wrote a blog post that lists ten things I reflected on one day in relation to how I had changed my thinking about how much N, growth, and sand topdressing and core aerification are required to maintain high performance turfgrass surfaces. Chris Tritabaugh joined me to discuss this. Blog post with the ten points: https://www.asianturfgrass.com/post/reflections-on-growth-rate-and-nitrogen/ Chris's podcast & newsletter: https://ctunderscoreturf.substack.com/ ATC Office Hours discussion with Richard Forsyth: https://www.youtube.com/live/T-w6CQzGzKc?feature=share ATC Doublecut about organic matter and organic material terminology with Brian Whitlark: https://youtu.be/tMfby5xR2IM Chris Tritabaugh and I talking about #OM246 and putting green maintenance on two ATC Office Hours: first ( https://www.youtube.com/live/J5_5mDJ-Vxc?feature=share ) second ( https://www.youtube.com/live/LUEifgCMhyw?feature=share ) Quantifying golf course nitrogen use efficiency by Bekken and Soldat: https://doi.org/10.1002/glr2.12024 Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
This episode discusses three recent posts about soil testing (soil nutrient analyses), from what happens at the lab, to micronutrient test results. - Brookside Lab video tour: https://www.asianturfgrass.com/post/behind-the-scenes-look-at-soil-testing/ - The video: https://youtu.be/PyL2bfdiBdE - Converting between different extraction methods: https://www.asianturfgrass.com/post/converting-between-soil-test-extraction-methods/ - Manganese and the MnAI: https://www.asianturfgrass.com/post/manganese-in-soils-and-the-mnai/ I also mentioned the increase in available N that can happen when soils are stored in a field wet condition at ambient air temperatures: https://www.asianturfgrass.com/post/reminder-to-air-dry-soil-samples/ Get the ATC blog by email at https://subscribepage.com/atc_blog_email To get on the ATC soil test email list, sign up here: https://subscribepage.com/soil Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Blog post bombs of 2020 with The Talking Greenkeeper 1:56:49
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Play Later Play Later Lists Like LikedJoe Gulotti joined me to go through the list of blog posts that got the fewest views on the ATC website in 2020. There was turf tourism, turf hacks, soil sampling, photosynthetically active radiation, four wheelers, and a lot of turf talk as we went through the list. To get the ATC blog by email: https://subscribepage.com/atc_blog_email We discussed this post: https://www.asianturfgrass.com/post/ten-posts-no-one-read-last-year/ The Talking Greenkeeper podcast: https://podcasts.apple.com/us/podcast/the-talking-greenkeeper/id1435947281 Follow Joe Gulotti on Twitter: https://twitter.com/hardg43 We discussed a recent ATC Office Hours with Richard Forsyth: https://www.youtube.com/live/T-w6CQzGzKc?feature=share And a recent ATC Doublecut with Brian Whitlark: https://youtu.be/tMfby5xR2IM The Global DLI app, to find the past year of photosynthetically active radiation anywhere in the world, is at: https://asianturfgrass.shinyapps.io/global_dli/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Terminology of turfgrass soils: total organic material (#OM246) and soil organic matter (SOM) with Brian Whitlark 49:14
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Play Later Play Later Lists Like LikedBrian Whitlark is the West region director of the USGA Green Section. We talked about total organic material testing of turfgrass soils. This is distinct from soil organic matter testing. Soil organic matter is measured on material that has already passed a 2 mm sieve and thus is no larger than a grain of sand. This sieving removes much of the thatch and mat and living plant material from the sample. There's more about this, including definitions of various items related to this, in https://www.asianturfgrass.com/post/organic-matter-terminology-in-turfgrass-soils/ You can see how a soil sample is tested in this video from Brookside Labs https://youtu.be/PyL2bfdiBdE Richard Forsyth from Royal Melbourne also spoke about something related to the shear strength that Brian and I discussed https://www.youtube.com/live/T-w6CQzGzKc?feature=share Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ See the ATC YouTube channel at https://www.youtube.com/@asianturfgrass Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Potassium fertilizer could increase dandelions by 20x 27:31
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Play Later Play Later Lists Like LikedDandelion ( Taraxacum officinale ) abundance can be increased by potassium (K) and lime applications. Adding K fertilizer when it is not needed by the grass, or adding lime to increase the pH when the grass does not require such an adjustment, could lead to increased competitiveness of dandelions in that sward. Some links for this episode include: - My dandelions and potassium post: https://www.asianturfgrass.com/post/potassium-dandelions/ - Tilman et al.'s article on biological weed control of dandelions: https://doi.org/10.1890/1051-0761(1999)009[0103:BWCVNC]2.0.CO;2 - The article with Frank Rossi about Park Grass from the Green Section Record: https://www.asianturfgrass.com/post/fertilizer-and-weeds-at-park-grass/ - Park Grass photo gallery: https://www.asianturfgrass.com/post/park-grass-photos/ - Rothamsted's Park Grass experiment video: https://youtu.be/-3-Pm5JUQZ4 Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Using the standard growth potential (GP) equation allows direct comparisons from site to site 32:39
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Play Later Play Later Lists Like LikedI used to tell people that GP is just a number, and if they wanted to modify it to fit the way grass grows at their location, then go ahead and do so. I don't say that anymore. Instead, I recommend using the standard equation. Why? To facilitate direct comparisons between sites, knowing that everyone has used the same equation. I discussed this blog post: https://www.asianturfgrass.com/post/regarding-gp-and-adjustments/ PACE Turf's updated listing of turf diagnostic labs is available at: https://www.paceturf.org/public/turf_diagnostic_labs Read more about OM246 tests at: https://www.asianturfgrass.com/project/om246/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Is nitrogen rate connected to surface area disruption? 32:21
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Play Later Play Later Lists Like LikedMarch in Japan is the start of cherry blossom season, and on golf courses there is a lot of aerification. I've noticed that golf courses in Japan generally don't do as much surface area removal as is common in some other parts of the world. But the surfaces can still perform. I discuss this in this episode, and have a look at this post from the ATC blog: https://www.asianturfgrass.com/post/springtime-golf-course-maintenance-in-japan/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 All about the growth ratio equation for temperature-adjusted #ClipVol 23:14
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Play Later Play Later Lists Like LikedI explained what the growth ratio is and showed the equation used to calculate growth ratio. This simple equation takes the measured clipping volume and adjusts it by the temperature. Jason Haines developed the growth ratio and has found it quite useful. You can see that equation in this ATC blog post: https://www.asianturfgrass.com/post/the-growth-ratio-equation/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Growth ratio to predict clipping volume for any time of year 37:47
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Play Later Play Later Lists Like LikedOne of the common questions about #ClipVol is "what is a normal amount of clippings to get?" By using the growth ratio, it's possible to account for the temperature conditions through the year and from that calculate how many clippings would be normal for any day in the year. The specific blog post discussed was https://www.asianturfgrass.com/post/what-should-my-clipvol-be/ You can see the growth ratio equation in this post: https://www.asianturfgrass.com/post/the-growth-ratio-equation/ Other links discussed in this episode include: - growth ratio posts on the ATC site https://www.asianturfgrass.com/tag/growth-ratio/ - growth ratio posts on Jason Haines' blog https://fusariummy.blogspot.com/search/label/growth%20ratio - the GP Avatar app https://www.asianturfgrass.com/post/the-gp-avatar-is-updated/ - turf videos organized by playlists https://www.asianturfgrass.com/post/turf-video-playlists/ - new seminar handouts section on the ATC site https://www.asianturfgrass.com/post/new-seminar-section/ - that information-packed 20 minute podcast with Chris Tritabaugh and Adam Moeller https://www.asianturfgrass.com/post/putting-green-measurements/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Turfgrass growth rate and plant growth regulators with Bill Kreuser 1:21:24
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Play Later Play Later Lists Like LikedBill Kreuser joined to answer all the questions I could think of related to plant growth regulators (PGR). We discussed re-application intervals based on growing degree days for multiple turf species, and a lot of things related to growth rate and PGR use in general. Some of the items we discussed include: - The blog post getting the ATC Doublecut treatment, https://www.asianturfgrass.com/post/using-plant-growth-regulators-on-golf-course-putting-greens/ - Bill's GSR article from 2015, Effective use of plant growth regulators on golf putting greens: https://gsr.lib.msu.edu/article/kreuser-effective-4-3-15.pdf - Reasor et al.'s article on Growing Degree Day Models for Plant Growth Regulator Applications on Ultradwarf Hybrid Bermudagrass Putting Greens: https://doi.org/10.2135/cropsci2018.01.0077 - Brown et al.'s article on Growing degree-days optimize trinexapac-ethyl reapplications on ultradwarf bermudagrass putting greens: II. Testing a reapplication schedule: https://doi.org/10.1002/csc2.20387 - The Greenkeeper App: https://www.greenkeeperapp.com - Follow Bill Kreuser on Twitter at https://twitter.com/PGRBill Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Cool-season turfgrass growth potential in Augusta in April and in November 21:48
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Play Later Play Later Lists Like LikedIn 2020, I looked at the temperatures in Augusta during the April Masters Tournament week, and the temperatures in November during the re-scheduled Masters dates. From those temperatures, I calculated the growth potential: https://www.asianturfgrass.com/post/turfgrass-gp-april-november/ For more about the temperature-based turfgrass growth potential, see https://www.asianturfgrass.com/tag/growth-potential/ Watch this episode at https://youtu.be/A_odktP6CAk Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 The USGA's GS3 for measuring putting green performance with Scott Mingay and Jordan Booth 54:31
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Play Later Play Later Lists Like LikedI spoke with Scott Mingay and Jordan Booth from the USGA about the GS3 tool that measures green speed, smoothness and trueness of ball roll, and surface hardness of golf course turf. Links: Bobble Test video: https://www.asianturfgrass.com/post/teaching-the-bobble-test-video/ USGA Green Section website: https://gsshop.usga.org/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Soil nutrient levels—especially in sand rootzones—can change rapidly 30:19
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Play Later Play Later Lists Like LikedSoil nutrient levels might change more rapidly than you realize. This has implications for whether nutrients should be applied as fertilizer, or not. I showed data from an experiment I did when I was a graduate student in this blog post: https://www.asianturfgrass.com/post/soil-nutrient-levels-change/ Jason Haines has written about a similar topic, and explained it perhaps more clearly than I have. I recommend his blog post on "Do you have enough?": https://fusariummy.blogspot.com/2023/02/do-you-have-enough.html To read more about this experiment, see this chapter in my dissertation: http://archive.lib.msu.edu/tic/thesdiss/woods2006h.pdf Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Five things to know about soil pH, and how to get the best fertilizer recommendations 39:43
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Play Later Play Later Lists Like LikedI recommend keeping the soil pH between 5.5 and 8.5 when you are managing fine turfgrass. This episode explains why that is the recommended range, and also considers the recent GCSAA nutrient survey and the phenomenon of different N, P, and K application rates between those who soil test and those who do not. The blog posts discussed in this episode are: https://www.asianturfgrass.com/post/a-soil-ph-chart-that-i-like/ https://www.asianturfgrass.com/post/turfgrass-soil-testing-might-be-getting-better/ https://www.asianturfgrass.com/post/putting-green-measurements/ Watch this episode at https://youtu.be/kRDPVAtTLro Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Soil test calibration and interpretation for turfgrass with Beth Guertal 1:10:54
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Play Later Play Later Lists Like LikedTurfgrass soil test interpretation and the fertilizer recommendations that come from that have been highlighted as "arbitrary" and "based on other crops" and "needing more research." I suggest the #MLSN method as a way to bypass a lot of these problems, and Dr. Beth Guertal joined me to talk about this fascinating topic. We discussed the post "Best judgment of the agronomist" which has a link to the #MLSN cheat sheet, plenty of quotes from the past 50 years about this problem, and links to plenty of information about making sure you apply just the right amount of fertilizer: https://www.asianturfgrass.com/post/best-judgment-of-the-agronomist/ A discussion about potassium with Doug Soldat is at https://youtu.be/ilPhk30NQlQ Follow Dr. Guertal on Twitter at https://twitter.com/AUTurfFert Watch this episode at https://youtu.be/_xvII52YsZQ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Growth potential of turfgrass, the link to actual growth, and a further connection to N fertilizer with Bjarni Hannesson 1:18:56
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Play Later Play Later Lists Like LikedBjarni Hannesson has been using the temperature-based turfgrass growth potential (GP) for ten years. We discussed how he makes use of it in Iceland, and how the GP can be used to predict when and how much N fertilizer may be required to produce the desired growth rate. We discussed this blog post, to begin with: https://www.asianturfgrass.com/post/which-more-effect-growth-light-or-temperature/ We also discussed the link to download slides and a handout from my 2013 presentation about GP and its link to N rate through probable growth: https://www.asianturfgrass.com/post/method-for-estimating-turfgrass-nutrient-requirements-iceland-report/ For photos of turfgrass and golf courses in Iceland, I've put a photo gallery here: https://www.asianturfgrass.com/post/turfgrass-in-iceland / Watch this episode at: https://youtu.be/jSPJ0mGLZ7k Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 The temperature-based turfgrass growth potential (GP) in words — not numbers 39:06
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Play Later Play Later Lists Like LikedThe temperature-based turfgrass growth potential (GP) is a utility function that expresses the potential of temperature to affect shoot growth. Without going into too many numbers or the GP equation, I explained what GP is and how it is used. I discussed these posts and shows about GP: - https://www.asianturfgrass.com/post/gp-explained-photos/ - https://www.asianturfgrass.com/post/gp-as-proxy-for-season-length/ - The ATC Office Hours episode with Larry Stowell about GP: https://www.youtube.com/live/oZgXv3ZaHkQ?feature=share - PACE Turf climate appraisal forms with the GP equation embedded: https://www.paceturf.org/journal/climate Watch this episode at https://youtu.be/RK8hzJcep40 Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Spots of excitement—snow mold spots—in an otherwise boring potassium experiment, with Doug Soldat 57:53
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Play Later Play Later Lists Like LikedDoug Soldat is a professor in the soil science department at the University of Wisconsin-Madison. We discussed a recent photo he shared showing dramatically increased snow mold where K fertilizer was applied. Or perhaps it was dramatically reduced snow mold where K fertilizer was not applied. - See the photo we discussed: https://www.asianturfgrass.com/post/k-fertilizer-and-more-snow-mold/ - Watch this episode at https://youtu.be/ilPhk30NQlQ - Bier et al. article on K supply from topdressing sand: A long term evaluation of differential potassium fertilization of a creeping bentgrass putting green, https://doi.org/10.1007/s11104-018-3765-8 - If you are in the USA and would like to send your topdressing sand for an analysis of K content, you can send to Dr. Soldat at this address: Dept of Soil Science Attn: Doug Soldat 1525 Observatory Dr. Madison, WI 53706-1299 Regarding samples, these have to come from the USA. Soils require an import permit to enter the USA and he doesn't have a permit for samples for this project. US samples only, please. - Dest and Guillard on non-exchangeable K, Bentgrass response to K fertilization and K release rates from eight sand rootzone sources used in putting green construction, available at https://opencommons.uconn.edu/plsc_articles/13/ - The pH chart article we discussed is by Hartemink and Barrow, Soil pH - nutrient relationships: the diagram, https://doi.org/10.1007/s11104-022-05861-z Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 How to collect soil samples for #OM246 and #MLSN tests 47:57
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Play Later Play Later Lists Like LikedDetailed answers are at https://www.asianturfgrass.com/post/soil-sampling-and-interpetation-questions-om246-mlsn/ I also recommended these blogs/newsletters: Chris Tritabaugh's ct_turf newsletter: https://ctunderscoreturf.substack.com/ Jason Haines' Fusariummy blog: https://fusariummy.blogspot.com/ See the ATC newsletters at https://subscribepage.com/atc_newsletters Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Turfgrass Twitter in 2022 with Paul Hurst 1:04:19
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Play Later Play Later Lists Like LikedPaul B. Hurst joined me to discuss the Turfgrass Twitter 2022 analysis. Read more about that at https://www.asianturfgrass.com/post/turf-twitter-analysis-2022/ See the Turf Twitter 2022 app to find any and all accounts: https://asianturfgrass.shinyapps.io/turf_twitter_2022/ Follow Paul on Twitter: https://twitter.com/GreensPro See the Rock Star video: https://twitter.com/GreensPro/status/1604139659730325506 Watch this episode on YouTube: https://youtu.be/qOo9JookSLE Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 The 10 posts no one read last year with Joe Gulotti 1:51:55
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Play Later Play Later Lists Like LikedJoe Gulotti joined me to discuss ten blog posts from the ATC blog that got the fewest views in 2022. It's easy to understand why some of these are on the list. A few deserve another chance to be seen. We discuss a range of topics, from maintenance Mondays to 19th holes. Here's the list we were talking about. These are the ten posts no one read last year (in relative terms): https://www.asianturfgrass.com/post/ten-posts-no-one-read-last-year-2022/ Listen to Joe's "The Talking Greenkeeper" podcast at https://podcasts.apple.com/us/podcast/the-talking-greenkeeper/id1435947281 Watch this episode at https://youtu.be/bGzc31TwR24 Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 How much N is in two tenths of a pound? A lot, or a little? 28:21
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Play Later Play Later Lists Like LikedI discussed the philosophy behind this post: https://www.asianturfgrass.com/post/is-two-tenths-of-a-pound-of-nitrogen-a-lot-or-a-little/ On a related topic, see this one about organic matter that was never there: https://www.asianturfgrass.com/post/what-if-it-was-never-there/ Watch this episode at https://youtu.be/8Eh_RkE1HGQ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Fourteen of my favorite turf photos from 2022 39:24
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Play Later Play Later Lists Like LikedI showed photos from this post: https://www.asianturfgrass.com/post/flights-favorite-turf-photos-2022/ Watch this episode at https://youtu.be/eZIzaF7g6w8 Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Planning forward, measuring backward, plus a year end miscellany 51:00
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Play Later Play Later Lists Like LikedThese posts were discussed in this episode: https://www.asianturfgrass.com/post/measuring-backwards-and-planning-forwards/ https://www.asianturfgrass.com/post/key-moments-automatically-added-on-videos/ https://www.asianturfgrass.com/post/pace-turf-updates-in-2022/ https://www.asianturfgrass.com/post/some-surprising-results/ https://www.asianturfgrass.com/post/a-long-talk-with-joe-gulotti/ https://www.asianturfgrass.com/post/top-ten-posts-of-2022/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Total organic material testing (OM246) to measure how much grass grew underground 27:33
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Play Later Play Later Lists Like LikedThis episode is about soil organic matter (excludes plant material) and total organic material (like it sounds). Blog posts and calculators discussed include: - https://www.asianturfgrass.com/post/how-much-did-the-grass-grow-underground/ - https://asianturfgrass.shinyapps.io/om246/ - https://www.asianturfgrass.com/post/two-soil-organic-matter-timelines/ - https://www.asianturfgrass.com/post/tale-two-tests-soil-organic-matter/ - https://www.asianturfgrass.com/post/organic-matter-soil-separation/ Watch this episode at https://youtu.be/KVYZE3NyP5M Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Park Grass experiment photo gallery, fertilizers, and weeds in turfgrass 34:01
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Play Later Play Later Lists Like LikedInteractive Park Grass photo gallery: https://doi.org/10.23637/rpg5-plotphotos-01 ATC blog post: https://www.asianturfgrass.com/post/park-grass-photos/ Rossi and Woods on dogma: https://www.asianturfgrass.com/post/fertilizer-and-weeds-at-park-grass/ Park Grass video: https://youtu.be/-3-Pm5JUQZ4 Watch this episode on YouTube: https://youtu.be/417kuWeaTvk Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Is carbon the next frontier in fertilization? 35:14
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Play Later Play Later Lists Like LikedI discussed this blog post: https://www.asianturfgrass.com/post/is-carbon-the-next-frontier-in-fertilization/ Also this one, how much carbon and humus are in the soil? https://www.asianturfgrass.com/post/how-much-carbon-and-humus-are-in-the-soil/ This video gives an intro to the 2022 Tour de Fungus: https://youtube.com/shorts/x36-KkZ_VFo?feature=share Watch this episode at https://youtu.be/YuGMUir2GGk Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Coring (hollow-tine cultivation) as a growth stimulator, plus estimated N mineralization from SOM 35:20
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Play Later Play Later Lists Like LikedIs growth stimulation the real benefit of coring turfgrass? https://www.asianturfgrass.com/post/coring-maybe-real-benefit-is-something-else/ Organic matter reduction calculations from coring: https://www.asianturfgrass.com/post/hollow-tine-solid-topdress-organic-matter/ How much nitrogen mineralization is reasonable to expect from soil organic matter? https://www.asianturfgrass.com/post/estimated-n-mineralization-soil-organic-matter/ Understanding carbon podcast with Frank Rossi: https://www.turfnet.com/podcasts/rossi/understanding_carbon/ Watch this episode at https://youtu.be/fhDsaTnTuTA Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Overseeding timing, early, late, and optimum, by delta growth potential (GP) with Larry Stowell 31:28
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Play Later Play Later Lists Like LikedWe discussed this post: https://www.asianturfgrass.com/post/overseeding-inflection/ Larry and I previously discussed the turfgrass growth potential on the ATC Office Hours: https://youtu.be/oZgXv3ZaHkQ Watch this episode at https://youtu.be/LMikMjQHc04 Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Why I recommend annual soil testing for professionally managed turfgrass grown in sand rootzones 41:02
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Play Later Play Later Lists Like LikedI discussed these blog posts. low pH and annual testing: https://www.asianturfgrass.com/post/one-reason-why-i-recommend-annual-soil-testing-of-sand-rootzones/ Large scale fertilizer recommendation effects: https://www.asianturfgrass.com/post/p-fertilizer-recommendations-as-a-2x-to-18x-multiple-of-mlsn/ Portugal seminars: https://www.asianturfgrass.com/post/five-short-seminars-on-exiciting-topics/ Spain seminars: https://www.asianturfgrass.com/post/turfgrass-on-a-spanish-tour/ Watch this episode at: https://youtu.be/WFj2gc4bhtk Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Big picture implications of #MLSN, SLAN, & SPF phosphorus recommendations, plus cumulative #ClipVol 50:52
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Play Later Play Later Lists Like LikedThis episode looks at these posts: https://www.asianturfgrass.com/post/grass-clippings-year-to-date/ https://www.asianturfgrass.com/post/fertilizer-recommendations-by-spf-slan-mlsn/ https://www.linkedin.com/pulse/fertilisation-decisions-based-minimal-levels-sustainable-hahn/ Watch this episode at https://youtu.be/IX54ncnlvug Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 The most common soil testing mistakes, and how to avoid them, with Doug Soldat 1:05:48
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Play Later Play Later Lists Like LikedWe discussed these posts and articles. - My blog post: https://www.asianturfgrass.com/post/the-most-common-soil-testing-mistakes-and-how-to-avoid-them/ - Doug's "How Reliable is Soil Testing" article: https://archive.lib.msu.edu/tic/groot/article/2013may8.pdf - Follow Doug on Twitter at https://twitter.com/djsoldat - Our tissue testing discussion on ATC Office Hours: https://youtu.be/91uKNFJxGDY - More about drying soil samples: https://www.asianturfgrass.com/post/reminder-to-air-dry-soil-samples/ - ATC's "secret" soil testing newsletter: https://subscribepage.com/soil - Watch this episode at https://youtu.be/HWf8fZVpgJc Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 An alternative reference for frost delays with Jim Huntoon 56:56
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Play Later Play Later Lists Like LikedAn alternative reference for frost delays ( https://www.asianturfgrass.com/post/an-alternative-reference-for-frost-delays/ ) has links to all the articles, reference guides, photos, and conversations we discussed. James Huntoon joined me to talk about frost delays and frost damage on turf in winter. Follow Jim on Instagram https://www.instagram.com/huntoonjmsc/ and Twitter https://twitter.com/huntoonjmsc Watch this episode at https://youtu.be/TbGKQAIABhA Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Using the turfgrass growth ratio to adjust for site-specific conditions with Jason Haines 1:04:44
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Play Later Play Later Lists Like LikedWatch this episode at https://youtu.be/la1ulEIgVT0 Jason Haines is the golf course superintendent at Sunshine Coast Golf and CC in British Columbia, Canada. We discussed this post from the ATC website: https://www.asianturfgrass.com/post/clipping-volume-growth-ratio/ Jason's blog: https://fusariummy.blogspot.com/ The turfgrass speedo (or growth ratio): https://fusariummy.blogspot.com/2018/12/turfgrass-speedo.html Productivity files (spreadsheets): https://fusariummy.blogspot.com/p/jason-productivity-files.html Short Grammar of Greenkeeping book: https://leanpub.com/short_grammar_of_greenkeeping Dissolving urea: https://youtube.com/shorts/oXETrSSDdS8?feature=share 1 g N dissolves in less than a minute: https://youtube.com/shorts/5wM8ZD_iZQw?feature=share A hypothesis about the most sustainable grass: https://www.asianturfgrass.com/post/a-hypothesis-about-the-most-sustainable-grass/ It is easy to know when the grass grows too slow: https://www.asianturfgrass.com/post/dangerous-grow-too-slow/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Why soil samples should be air dried before sending to the lab 38:18
38:18 Play Later Play Later Lists Like Liked38:18
Play Later Play Later Lists Like LikedI discussed this post: https://www.asianturfgrass.com/post/reminder-to-air-dry-soil-samples/ Subscribe to the ATC soil testing newsletter at https://subscribepage.com/soil See the ATC newsletters at https://subscribepage.com/atc_newsletters Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Turfgrass in Iceland, frost, 24 hours of golf, and #MLSN with Bjarni Hannesson 59:47
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Play Later Play Later Lists Like LikedBjarni joined me to discuss this post: https://www.asianturfgrass.com/post/turfgrass-notes-iceland/ See a photo gallery of turfgrass on golf courses in Iceland at https://www.asianturfgrass.com/post/turfgrass-in-iceland/ Follow Bjarni on Twitter at https://twitter.com/BHannesson Find out more about the WinterTurf project at https://winterturf.umn.edu/ Watch this episode on YouTube at https://youtu.be/QbDxAC4awH4 Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Grass color, consistency, and the oldest course in Thailand with Joe Gulotti 37:52
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Play Later Play Later Lists Like LikedJoe Gulotti joined me to discuss this post: https://www.asianturfgrass.com/post/turf-consistency-color/ Find Joe's "The Talking Greenkeeper" podcast at https://podcasts.apple.com/us/podcast/the-talking-greenkeeper/id1435947281 Follow Joe on Twitter at https://twitter.com/hardg43 Watch this episode on YouTube at https://youtu.be/_ZXMdffdBaI Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Mowing stripes on tea, 18 turfgrass videos about greenkeeping in Japan, plus best lift access snow 36:44
36:44 Play Later Play Later Lists Like Liked36:44
Play Later Play Later Lists Like LikedMowing patterns in tea fields: https://www.asianturfgrass.com/post/stripes-after-mowing-not-just-grass/ 18 videos from a 2 week turfgrass tour in Japan: https://www.asianturfgrass.com/post/two-week-turfgrass-tour-in-japan/ WinterTurf project and duration of snow cover in Hokkaido: https://www.asianturfgrass.com/post/duration-of-snow-cover-in-hokkaido/ Watch this episode at: https://youtu.be/VPn2fbQj5ZA Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Manganese deficiency, Doublecut show stats, and my New Zealand presentation highlights 45:49
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Play Later Play Later Lists Like LikedThis episode discusses these four posts: https://www.asianturfgrass.com/post/normal-manganese-levels-in-soil-and-turfgrass-leaf-tissue/ https://www.asianturfgrass.com/post/atc-doublecut-listeners-by-country/ https://www.asianturfgrass.com/post/highlights-from-my-new-zealand-textbooks-and-mlsn-presentations/ https://www.asianturfgrass.com/post/do-more-people-watch-or-listen-to-atc-doublecut/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Drought performance of warm-season grasses plus a KBC Augusta data review 38:56
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Play Later Play Later Lists Like LikedI discussed recent research on drought performance of warm-season grasses: https://www.asianturfgrass.com/post/drought-performance-of-warm-season-turfgrasses/ The KBC television highlights video showing golf shots and ball reaction is at https://youtu.be/GU6P0vufFNc The Asian Turfgrass Center YouTube channel at https://www.youtube.com/asianturfgrasscenter Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Managing seashore paspalum "dry and lean" with Jon Wall, plus tournament prep in Vietnam 1:09:43
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Play Later Play Later Lists Like LikedWe discussed this post: https://www.asianturfgrass.com/post/a-common-misapprehension-about-seashore-paspalum/ Find Jon on Twitter at https://twitter.com/DirtyBulk Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Zoysia and bermudagrass green speed live from the KBC Augusta tournament in Japan 32:19
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Play Later Play Later Lists Like LikedWatch the 2022 KBC Augusta Tournament at https://www.youtube.com/watch?v=3SC9_M_E8DM I discussed this post about zoysia and bermudagrass green speed: https://www.asianturfgrass.com/post/zoysia-and-bermudagrass-green-speed-with-identical-maintenance/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 A lot more than the average tournament, sodium/potassium ratios in soil, & golf rounds data 36:29
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Play Later Play Later Lists Like LikedI talked about these posts. More than average tournament: https://www.asianturfgrass.com/post/why-kbc-is-so-interesting/ Round numbers and closed days for maintenance: https://www.asianturfgrass.com/post/golf-rounds-and-days-open/ Sodium potassium ratios: https://www.asianturfgrass.com/post/sodium-and-potassium-as-percentages-or-concentrations/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Find turfgrass information and decision-making tools at https://www.paceturf.org/ See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Posts no one read (but I wish they had): grass on the Kumamoto city tram lines with Joe Gulotti 36:58
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Play Later Play Later Lists Like LikedJoe Gulotti joined me to discuss the posts on my blog that no one read. In this episode, we discussed grass on tram lines in Kumamoto City. Here's the post: https://www.asianturfgrass.com/post/kumamoto-city-tram-grass/ Joe is host of the Talking Greenkeeper podcast: https://podcasts.apple.com/us/podcast/the-talking-greenkeeper/id1435947281 We discussed his fine episode with Michael Kantor, lightweight greens rolling expert: https://podcasts.apple.com/us/podcast/michael-kantor/id1435947281?i=1000568361246 You can find Joe on Twitter at https://twitter.com/hardg43 Turfgrass information and decision support tools at PACE Turf: https://www.paceturf.org/ PACE Turf's YouTube channel: https://www.youtube.com/user/paceturf Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Golf course architect Paul Jansen and I debate the best golfing destination in Asia 1:10:31
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Play Later Play Later Lists Like LikedPaul and I discussed a number of locations around Asia including Da Nang, Thailand, Hokkaido, Sri Lanka, Myanmar, Indonesia, and the Philippines, for their relative merits as golfing destinations. We discussed this post: https://www.asianturfgrass.com/post/the-best-golfing-destination-in-asia/ Follow Paul on Twitter at https://twitter.com/pauljansengolf Jansen Golf Design website at https://jansengolf.com/ Jon Wall visits Himalayan GC: https://twitter.com/DirtyBulk/status/427424969157799936 Jon Wall visits Himalayan GC for a second time: https://twitter.com/DirtyBulk/status/824231111899254784 Erik Anders Lang visits Himalayan GC: https://youtu.be/aIvZrTYo8t4 Subscribe to the PACE Turf information service: https://www.paceturf.org/ Read more about all kinds of turfgrass topics: https://www.asianturfgrass.com/ See the ATC newsletters: https://subscribepage.com/atc_newsletters Listen to the ATC Office Hours podcast: https://atc-office-hours.transistor.fm/ Watch this episode on the ATC YouTube channel: https://www.youtube.com/asianturfgrasscenter Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 PACE Turf, turf textbook publishing, and the International Turfgrass Society w/ John Kaminski 53:04
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Play Later Play Later Lists Like LikedJohn's Turfgrass Management book is available at https://turfpath.com/ Turfgrass information and decision support tools at PACE Turf: https://www.paceturf.org/ PACE Turf's YouTube channel: https://www.youtube.com/user/paceturf ATC's YouTube channel: https://www.youtube.com/c/AsianTurfgrassCenter We discussed my acquisition and this blog post: https://www.asianturfgrass.com/post/more-about-the-pace-turf-acquisition/ ATC Shiny apps page: https://www.asianturfgrass.com/shiny-apps/ PACE Turf GP avatar app: https://paceturf.shinyapps.io/GPAvatar/ ATC's Global DLI (photosynthetically active radiation) app: https://asianturfgrass.shinyapps.io/global_dli/ Mark Smith's manganese discussion: https://twitter.com/marks_sm1th/status/1550778220060069890 Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Frank Rossi and I discuss what I've called my "least favorite experiment ever" 44:48
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Play Later Play Later Lists Like LikedMy blog post about the experiment: https://www.asianturfgrass.com/post/least-enjoyable-experiment-ever/ Frank's Green Section Record article about the experiment, "In Search of the Silver Bullet" https://gsrpdf.lib.msu.edu/?file=/2000s/2004/040916.pdf Frank's GCM magazine article about the experiment, "Effects of microbial and organic products on putting green performance" http://files.asianturfgrass.com/rossi_2006_gcm_fertilizer_programs.pdf Follow Frank Rossi on Twitter at https://twitter.com/FrankSpeaks3 Watch this episode on YouTube: https://youtu.be/OEc7j7HeBTw Get turfgrass information resources at https://www.paceturf.org/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Andrew Thomson on remote courses in Japan, hickory golf, links turf, and "champagne golf" 59:31
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Play Later Play Later Lists Like LikedI spoke with Andrew Thomson about golf at remote courses in Japan, playing links golf courses with old golf clubs, hickory golf, and target golf created by mowing patterns. Read more about these courses at: https://www.asianturfgrass.com/post/botanizing-nippon-treasure-links/ Andrew's book "Bridge to the Gods: Tales from Kyushu" is available from Ryan Publishing ( http://www.ryanpub.com.au/bridgetothegods.htm ) and from all fine booksellers. Follow Andrew on Twitter at https://twitter.com/newsfromkyushu Watch this episode at https://youtu.be/QyWJfg-1hPU Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ See the ATC newsletters at https://subscribepage.com/atc_newsletters Get turfgrass information resources at https://www.paceturf.org/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Dollar spot and a predictive model, fertilizer recommendation survey, and light that's "missing" 43:14
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Play Later Play Later Lists Like LikedThis episode discusses dollar spot and the Smith-Kerns model, making fertilizer recommendations as a ratio, and ranking locations for warm-season grasses based on light restriction caused by cloud cover. https://www.asianturfgrass.com/post/checking-dollar-spot-with-model-probability/ https://www.asianturfgrass.com/post/survey-results-preferences-fertilizer-ratio-or-percentage/ https://www.asianturfgrass.com/post/low-light-locations-for-warm-season-grasses/ See also: PACE Turf climate appraisal, https://www.paceturf.org/memberedition/weather The MLSN cheat sheet, https://www.asianturfgrass.com/post/new-mlsn-cheat-sheet/ The Global DLI Shiny App, https://asianturfgrass.shinyapps.io/global_dli/ Watch this episode at https://youtu.be/sMfP5icXHoI Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Get turfgrass management information and decision support tools at https://www.paceturf.org/ See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Follow on Twitter at https://twitter.com/asianturfgrass Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Achieving the desired turf surfaces by thinking backwards (or why reactivity can beat proactivity) 33:26
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Play Later Play Later Lists Like LikedI discussed an approach to turfgrass management that involves considering the current turfgrass conditions and then deciding what to do. Read about a backwards approach to greenkeeping: https://www.asianturfgrass.com/post/working-backwards-in-turfgrass-maintenance/ Reactive vs. proactive greenkeeping: https://www.asianturfgrass.com/post/is-reactive-better-than-proactive/ Watch this episode at: https://youtu.be/ZfRteetLeV0 See the ATC newsletters at https://subscribepage.com/atc_newsletters Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
Chris Chase and I discussed zoysiagrass on putting greens and why one would use it. The post we talked about is https://www.asianturfgrass.com/post/zoysia-on-putting-greens-why/ Other related videos include: Zoysia greens? How good can they be? https://youtu.be/YajsiwdGkcI The distinctive ball roll on zoysia (korai) greens: https://youtu.be/0yiM7Ti08do Ball reaction (bounce and roll) on korai zoysia greens at the Sansan KBC Augusta golf tournament: https://youtu.be/bbcJhA1zqNo zoysiagrass putting greens and sportsturf with Tyler Carr: https://youtu.be/oNw9fPqm6YY Watch this episode at https://youtu.be/lEkbs_B-vrE Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
This episode discusses two posts. One is about Zoysia seedheads and the interesting and troublesome phenomenon of seedhead production for more than half the year: https://www.asianturfgrass.com/post/a-hypothesis-about-fecundity-of-zoysia/ The second post is about pitch marks on greens and about the one sure way I know of to reduce their size and severity---firmer green surfaces: https://www.asianturfgrass.com/post/pitch-marks-that-last-for-days/ Also mentioned in this episode: transporting zoysia sod by longtail boat in Thailand: https://youtu.be/5rWaSy8eRQ0 ball bounce on greens topdressed once in a year: https://youtu.be/bbcJhA1zqNo playability of golfing surfaces with, office hours with Carl Schimenti: https://youtu.be/2fMhNSEkpLI Watch this episode at https://youtu.be/bPhRBPAE1-s Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
The post we discussed is https://www.asianturfgrass.com/post/of-trees-turf-and-tournament-golf/ , which considers which grasses work well in conditions of cloudy weather combined with tree shade. In particular, we discuss manilagrass ( Zoysia matrella ) and tropical carpetgrass ( Axonopus compressus ). I also mentioned Tyler Carr's zoysia grow-in experiments at the University of Tennessee, which can be seen in this video: https://youtu.be/oNw9fPqm6YY Watch this episode at https://youtu.be/uF153okig64 Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Soil and water management: 3 problems (salinity, sodium hazard, & deficiencies), with solutions 34:37
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Play Later Play Later Lists Like LikedThe post discussed is https://www.asianturfgrass.com/post/soil-water-management-3-problems-with-solutions/ . You'll find examples and links to additional reference material about these problems there. Watch this episode at https://youtu.be/WcMfNj16Q70 Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Urea as putting green fertilizer for complete control of tournament greens 57:05
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Play Later Play Later Lists Like LikedThe topic for this episode was fertilizer, and Andrew McDaniel joined me to discuss this post: https://www.asianturfgrass.com/post/how-to-spend-5000-tournament-green-fertilizer/ Saving 82% on fertilizer cost and "the grass has never been healthier": https://www.asianturfgrass.com/post/saving-82-percent-gsr/ atc-turf Discord invite: https://discord.gg/K8tWApB5ME Watch this episode at https://youtu.be/vvxrRs8GCBI Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
The post discussed in this episode is https://www.asianturfgrass.com/post/surface-hardness-correlations/ . I planned to discuss this one also but decided to hold that discussion for another episode: https://www.asianturfgrass.com/post/density-plots-clegg-putting-greens/ . I was joined by Andrew McDaniel ( https://twitter.com/drumcturf ) for this discussion. I also mentioned the chart from Steve Isaac showing the target firmness levels for links course championship events. You can see that chart in this post: https://www.asianturfgrass.com/post/three-things-to-do-with-om246-data-right-now/ Watch this episode at https://youtu.be/Lb0IU9MFnGc Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Turfgrass rootzones: a carbon-rich, nitrogen-poor world 57:35
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Play Later Play Later Lists Like LikedJoe joined me to talk about one of the least read blog posts of 2018. This one, about soil microbes being in an environment with ample carbon, but being limited by nitrogen: https://www.asianturfgrass.com/post/microbes-live-carbon-rich-nitrogen-poor-world/ We also discussed this post, "How much carbon and humus are in the soil?" https://www.asianturfgrass.com/post/how-much-carbon-and-humus-are-in-the-soil/ Joe Gulotti on Twitter: https://twitter.com/hardg43 The Talking Greenkeeper podcast: https://podcasts.apple.com/us/podcast/the-talking-greenkeeper/id1435947281 The Walking Greenkeeper blog: http://www.thewalkinggreenkeeper.com/ ATC Office Hours about playability of golfing surfaces with Carl Schimenti: https://share.transistor.fm/s/b6b3bb32 Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ See the ATC newsletters at https://subscribepage.com/atc_newsletters Watch this episode on YouTube at https://youtu.be/Z9OQZ1SW_JY Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Elemental nutrient ratios as fertilizer recommendations, and a trip to see zoysia greens in the USA 54:07
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Play Later Play Later Lists Like LikedI find it really useful to consider nutrient applications as ratios rather than as quantities. Read more in this post: https://www.asianturfgrass.com/post/how-i-recommend-fertilizer-ratios/ I was a guest on the Pullin' Weeds podcast. See my birdie dance and a link to that episode: https://www.asianturfgrass.com/post/talking-turf-on-pullin-weeds/ Watch this episode on YouTube at https://youtu.be/_UweU0dJbdc Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Is the extra hole on Kawana's Fuji Course the best in the world? I think so. Plus, tropical #ClipVol 29:41
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Play Later Play Later Lists Like LikedAndrew McDaniel ( https://twitter.com/drumcturf ) joined me as a special guest on this episode to talk about the extra hole at Kawana's Fuji Course ( https://www.asianturfgrass.com/post/best-extra-hole-in-golf/ ) and about tropical turf management at Nikanti GC in Thailand with #MLSN, #ClipVol, and #OM246 ( https://www.asianturfgrass.com/post/all-the-hashtags-in-a-tropical-climate/ ) Watch this episode at https://youtu.be/8J18ekJJSqM Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ See the ATC newsletters at https://subscribepage.com/atc_newsletters Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Putting green firmness, speed, and roll quality at the Catalunya Championship 59:10
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Play Later Play Later Lists Like LikedThe charts shown in this episode with Clegg, TDR, stimpmeter, and #BobbleTest scores are available in this blog post: https://www.asianturfgrass.com/post/our-vip-tent-seminar-at-catalunya-championship/ See the ATC newsletters: https://subscribepage.com/atc_newsletters Read more about OM246 testing: https://www.asianturfgrass.com/project/om246/ See the video with Stadium Course superintendent Alfredo Álvarez: https://youtu.be/tL_jbEk24g8 Watch this episode on YouTube at: https://youtu.be/Snnm4E9Jdt0 Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Grass can grow too slow, plus Tom Cook's lawn and 2 tournaments in Spain 24:36
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Play Later Play Later Lists Like LikedIt is easy to know when grass grows too slow: https://www.asianturfgrass.com/post/dangerous-grow-too-slow/ Tom Cook's extraordinary lawn (blog post): https://www.asianturfgrass.com/post/tom-cooks-extraordinary-lawn/ Tom Cook lawn tour video: https://youtu.be/mcCxYVSIc5k Flying Blind video with David Bataller: https://youtu.be/n8Ir2lVnGyE Watch this episode on YouTube: https://youtu.be/iNNvOvnT_PE Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ See the ATC newsletters at https://subscribepage.com/atc_newsletters Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Soil organic matter accumulates more rapidly in young greens with lower OM content to begin with 26:35
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Play Later Play Later Lists Like LikedThis is an obvious concept but the implications are complex. If soil organic matter accumulates more rapidly in young soils, and if one wants to manage soil organic matter most efficiently, then it makes sense to keep the soils in an older, rather than in a younger, state. Soil age and OM accumulation rate: https://www.asianturfgrass.com/post/organic-material-accumulates-faster-when-soil-om-is-lower/ My preferred OM246 sampling method: https://www.asianturfgrass.com/post/my-preferred-method-of-om246-sample-collection/ Watch this episode at https://youtu.be/5WNYy4lL6Ks Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ See the ATC newsletters at https://subscribepage.com/atc_newsletters Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 What if the soil organic matter was never there to begin with? 14:24
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Play Later Play Later Lists Like LikedI discuss my visit to (and seminar at) the University of Florida, and consider whether soil organic matter content stability over time might be related to the inherent accumulation rate of said organic matter. My visit to University of Florida: https://www.asianturfgrass.com/post/seminar-and-visit-at-university-of-florida/ My recorded seminar screencast from University of Florida: https://youtu.be/P6v6tfG7M-E Organic matter won't exist if the grass doesn't grow enough to produce it: https://www.asianturfgrass.com/post/what-if-it-was-never-there/ Watch this episode at https://youtu.be/2IKfu_OeqKg Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ See the ATC newsletters at https://subscribepage.com/atc_newsletters Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 MLSN & "deficiencies", tissue test manifesto, & Ireland conference presentations 29:08
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Play Later Play Later Lists Like LikedI discuss two presentations from the ATPI conference in Galway, Ireland, how one might think about soil "deficiencies" when doing soil test interpretation, and discuss my tissue testing manifesto. Recorded Ireland conference presentations: https://www.asianturfgrass.com/post/soil-grass-and-playability/ Tissue testing manifesto: https://www.asianturfgrass.com/post/tissue-test-manifesto/ MLSN and correcting soil "deficiencies": https://www.asianturfgrass.com/post/mlsn-and-correcting-soil-deficiencies/ Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/ See the ATC newsletters at https://subscribepage.com/atc_newsletters Watch this episode at https://youtu.be/quU8F8X8Sxk Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 The Tale of Two Tests (for soil organic matter) 29:48
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Play Later Play Later Lists Like LikedI discuss tests for soil organic matter, and explain the distinction between those tests and a different kind of test for total organic material by depth. I also talked briefly about a new MLSN film. I discussed the "A Tale of Two Tests" blog post which describes the value of measuring soil organic matter (SOM) and also measuring total organic material by depth (#OM246): https://www.asianturfgrass.com/post/tale-two-tests-soil-organic-matter/ I mentioned the MLSN film shoot in Thailand: https://www.asianturfgrass.com/post/mlsn-film-shooting-in-hua-hin/ Read more about organic matter on the ATC website: https://www.asianturfgrass.com/tag/organic-matter/ ATC newsletters: https://subscribepage.com/atc_newsletters Watch this episode on YouTube at: https://youtu.be/5cyEJm2ThHc Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 A crash course in #OM246 and burn temperature 18:13
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Play Later Play Later Lists Like LikedThis is the crash course post: https://www.asianturfgrass.com/post/crash-course-in-om246-organic-matter-testing/ Watch this episode at: https://youtu.be/fk1-Ws7b5vU OM by mass or volume? https://www.asianturfgrass.com/post/organic-matter-by-mass-or-volume/ Temperature for loss on ignition in turfgrass soils: https://www.asianturfgrass.com/post/measuring-organic-matter-ignition-temperature/ Listen to the ATC Doublecut at: https://atc-doublecut.transistor.fm/subscribe Sign-up to ATC newsletters at: https://subscribepage.com/atc_newsletters Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 What's normal for OM2? (the total organic material at the surface of a putting green) 25:39
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Play Later Play Later Lists Like LikedI discuss these blog posts. Whats normal for OM2: https://www.asianturfgrass.com/post/whats-normal-for-om2/ Playability, putting green disruption, and scheduling: https://www.asianturfgrass.com/post/playability-disruption-and-scheduling-notification-note/ Fertilizer supply vs nutrient use: https://www.asianturfgrass.com/post/fertilizer-supply-vs-nutrient-use/ One simple trick to better greens: https://www.asianturfgrass.com/post/one-simple-trick-better-greens/ Maximum organic matter, not minimum, should be the goal: https://www.asianturfgrass.com/post/max-om-in-soil-as-a-goal/ Watch this episode on YouTube at: https://youtu.be/OvZmGMme6qU Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Bentgrass greens: average fertilizer supply vs. nutrient use 28:04
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Play Later Play Later Lists Like LikedThe blog post with data and chart is at: https://www.asianturfgrass.com/post/fertilizer-supply-vs-nutrient-use/ Watch this episode on YouTube at: https://youtu.be/KiMIvY4NdZ0 More information about all these topics at the Asian Turfgrass Center website Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 What's the deal with the variance parameter in the growth potential equation? 25:10
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Play Later Play Later Lists Like LikedThis discusses how changing the variance value in the turfgrass growth potential equation will change the shape of the curve as one moves away from the optimum growth temperatures. PACE Turf: https://www.paceturf.org/ Climate appraisal forms with GP equations included: https://www.paceturf.org/index.php/journal/climate Watch this episode at: https://youtu.be/HBquDPySSto ATC Office Hours with Dr. Larry Stowell discussing GP: https://youtu.be/oZgXv3ZaHkQ ATC website: https://www.asianturfgrass.com/ ATC newsletters: https://www.asianturfgrass.com/#newsletters I started showing these slides on Turfgrass efficiency: the best playing conditions with the fewest inputs https://speakerdeck.com/micahwoods/turfgrass-efficiency-the-best-playing-conditions-with-the-fewest-inputs Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Using temperature-based growth potential (GP) to evaluate and compare season length 19:37
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Play Later Play Later Lists Like LikedI discussed using the temperature-based growth potential (GP) to make comparisons between locations. The chart with 33 locations around the world is in this post: https://www.asianturfgrass.com/post/gp-as-proxy-for-season-length/ Here's the climate appraisal form from: https://www.paceturf.org/index.php/journal/climate My "Short Grammar of Greenkeeping" book is available at https://leanpub.com/short_grammar_of_greenkeeping My "Micah no jikan" book is available at https://www.amazon.co.jp/dp/4772841725/ref=cm_sw_r_cp_ep_dp_U-eyAbHH25ZNN Get the full text of every new blog post from ATC by subscribing to the blog update email newsletter: https://www.asianturfgrass.com/#newsletters Watch this episode on YouTube at https://youtu.be/DhfEmtrYDBo Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Soil sampling procedures for turfgrass: discussion & survey results 37:14
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Play Later Play Later Lists Like LikedI discuss the 7 question, 2 minute survey, about soil sampling procedures for turfgrass, and I explain why this is an important topic that I've been paying more attention to. I discuss a survey I conducted about how soil samples are typically collected prior to sending to a laboratory for analysis. I discussed these blog posts that show the background and the full survey results: https://www.asianturfgrass.com/post/results-soil-sampling-survey/ https://www.asianturfgrass.com/post/how-do-you-soil-sample/ You can watch this episode on YouTube at https://youtu.be/7-k2mTrtR38 Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Two similar approaches to turfgrass nutrition with one notable difference 33:01
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Play Later Play Later Lists Like LikedThis is about #MLSN and about the precision fertilisation approach developed by Tom Ericsson. The post I discussed is at: https://www.asianturfgrass.com/post/2-similar-approaches-to-fertilization-with-1-notable-difference/ The clip of John Jacob and Joe Gulotti is from this episode of the Talking Greenkeeper podcast: https://podcasts.apple.com/us/podcast/the-talking-greenkeeper/id1435947281?i=1000549114196 PACE Turf's climate appraisal form is a site-specific calculator to apply these methods for your site: https://www.paceturf.org/index.php/journal/climate STERF's precision fertilisation guide is at: http://www.sterf.org/sv/library/handbooks/fertilisation Watch this episode on YouTube at: https://youtu.be/JBLIc9-i9GA Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Five comments (and my replies) about the OM246 Office Hours 29:00
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Play Later Play Later Lists Like LikedI gave a detailed answer to 5 comments about this Office Hours episode ( https://youtu.be/J5_5mDJ-Vxc ) about OM246 testing. The blog post I discussed in this episode is: https://www.asianturfgrass.com/post/five-comments-about-atc-office-hours-om246/ I also talked about these blog posts on roots, and about potassium. Roots: https://www.asianturfgrass.com/post/turf-roots-and-fertilizer/ Potassium deficiencies are not pretty: https://www.asianturfgrass.com/post/have-you-seen-turf-that-ran-out-of-k Potassium deficiencies are a very bad thing: https://www.asianturfgrass.com/post/3-hours-mlsn-one-slide/ OM246 sampling instructions: https://www.asianturfgrass.com/project/om246/om246_sampling_instructions.pdf Watch this episode on YouTube at https://youtu.be/bwZu86OIjx0 Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 The remarkable effect of [just enough] traffic on an unmown lawn 11:14
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Play Later Play Later Lists Like LikedI showed photos of two lawns in this post: https://www.asianturfgrass.com/post/wonders-of-traffic-on-turfgrass/ Watch this episode at: https://youtu.be/NL7hkazsGSY Both lawns are manilagrass ( Zoysia matrella ) in southern Thailand. One is beside the road on one of my regular running routes, and another is on an island. Neither are mown. Both receive traffic in some areas and not in others. There is a remarkable difference in turfgrass appearance and quality as a lawn or sporting surface, based only on the amount of traffic received. See more turfgrass info from ATC at https://www.asianturfgrass.com/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Turf Twitter analysis, irrigation frequency and amount, & ATC content survey results 49:36
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Play Later Play Later Lists Like LikedI discussed 4 posts in this ATC Doublecut episode. Turf Twitter analysis in 2021: https://www.asianturfgrass.com/post/turf-twitter-analysis-2021/ The ten posts no one read in 2021: https://www.asianturfgrass.com/post/ten-posts-no-one-read-in-2021/ ATC content preferences survey results: https://www.asianturfgrass.com/post/atc-content-survey-results/ An update about two ways to think of turfgrass irrigation---deep and infrequent application of water, or light and frequent application: https://www.asianturfgrass.com/post/always-heard-deep-infrequent-way-to-go/ You can also watch this episode at: https://youtu.be/JgjCBjHl04Y Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 The top 10 posts of 2021 plus the non-comprehensive awesome list 28:03
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Play Later Play Later Lists Like LikedThese posts are at: https://www.asianturfgrass.com/post/top-ten-posts-of-2021/ https://www.asianturfgrass.com/post/awesome-list-2021/ Watch this episode on YouTube at https://youtu.be/bZFegyB3cUM Turf Without Borders show page: https://turfwb.asianturfgrass.com/
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The ATC Doublecut with Micah Woods
1 Does organic matter vary from green to green by a lot, or by a little? 17:40
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Play Later Play Later Lists Like LikedThis is a direct link to the blog post discussed in this episode, including the charts showing organic matter variation from green to green on the same course: https://www.asianturfgrass.com/post/organic-matter-variability-between-greens-at-the-same-site/ Watch the video of this episode on the ATC YouTube channel: https://youtu.be/DAhxoA_zhZw Sign up for free ATC newsletters at: https://www.asianturfgrass.com/#newsletters Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 The 2.5 hour OM246 discussion, distilled, summarized, and reviewed 12:02
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Play Later Play Later Lists Like LikedThe 4 minute read: https://www.asianturfgrass.com/post/office-hour-discussion-summarized/ The 2.5 hour original video: https://youtu.be/J5_5mDJ-Vxc Watch this episode on YouTube: https://youtu.be/B6vdkMeDFoc Subscribe to ATC email newsletters: https://www.asianturfgrass.com/#newsletters Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
I showed photos from a post on zoysia, water use, and fact checking, to show that when irrigation is restricted, and it doesn't rain---drought conditions---zoysia needs more water than bermuda to stay green and growing. The post is here: https://www.asianturfgrass.com/post/zoysia-and-water-use/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 One thing I'd like everyone to understand about MLSN 11:06
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Play Later Play Later Lists Like LikedThis episode is a discussion of this blog post and article: https://www.asianturfgrass.com/post/one-thing-i-wish-everyone-understood-about-mlsn/ Grass uses nutrients, so we can expect the soil nutrient level to be lower tomorrow than it is today. By making a prediction of the decline in soil nutrient levels for a specific time duration, one can come up with a fertilizer recommendation that ensures the grass will be supplied with all the nutrients it can use. PACE Turf's climate appraisal form makes all these calculations for you: https://www.paceturf.org/index.php/journal/climate To receive the full text of each new ATC blog post the same day it is published, subscribe: https://www.asianturfgrass.com/#newsletters Watch this episode of The ATC Doublecut at: https://youtu.be/9TtqqkamAsc Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
The volume of organic matter is shown in this blog post: https://www.asianturfgrass.com/post/organic-matter-by-mass-or-volume/ The video of this episode is at: https://youtu.be/pk0KGYxbNMA Subscribe to ATC newsletters at: https://www.asianturfgrass.com/#newsletters Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 A potassium reserve in the soil: non-exchangeable and mineral K 14:30
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Play Later Play Later Lists Like LikedI talked about this blog post: https://www.asianturfgrass.com/post/potassium-reserve-in-the-soil/ The Dest and Guillard article about the bentgrass grown in eight different sands is available at https://opencommons.uconn.edu/cgi/viewcontent.cgi?article=1017&context=plsc_articles Bier et al. on the six year study with more Microdochium where K was applied, and no response to added K, is at https://doi.org/10.1007/s11104-018-3765-8 Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Soil organic matter and N mineralization (with a 5x difference between Reykjavik & Bangkok) 10:55
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Play Later Play Later Lists Like LikedThis episode discusses the topics I wrote about in this post: https://www.asianturfgrass.com/post/soil-organic-matter-and-n-mineralization-bangkok-reykjavik/ The video of this episode is at: https://youtu.be/g31xMEG_voQ Turf Without Borders show page: https://turfwb.asianturfgrass.com/
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The ATC Doublecut with Micah Woods
1 The growth ratio: is the grass growing faster, or slower, than expected? 20:21
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Play Later Play Later Lists Like LikedGrass growth varies by season. And a common question is "how much should I expect my grass to be growing?" The turfgrass growth ratio, conceived of by Jason Haines, is a way to express the actual growth in a seasonally-adjusted way. The blog posts on this are at: First one: https://www.asianturfgrass.com/post/clipping-volume-growth-ratio/ Second one: https://www.asianturfgrass.com/post/temperature-growth-seasonal-changes-optimum-clipvol/ ATC newsletters subscriptions: https://www.asianturfgrass.com/#newsletters Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
I discuss the standard practice of sodding highway medians with zoysia (manilagrass) in Thailand and why the zoysia does not persist. Photos at: https://www.asianturfgrass.com/post/more-about-zoysia-highway-medians-thailand/ and https://www.asianturfgrass.com/post/sodding-miles-of-road-median-with-zoysia/ ATC newsletters at https://www.asianturfgrass.com/#newsletters Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 All you need to know about total organic material measurement (#OM246) by depth 11:47
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Play Later Play Later Lists Like LikedI introduced this bullet list: https://www.asianturfgrass.com/post/soil-organic-matter-bullet-list/ This is the OM246 project page with sampling instructions: https://www.asianturfgrass.com/project/om246/ ATC newsletters: https://www.asianturfgrass.com/#newsletters Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Inertia as the force of inactivity, and a story about frost delays 14:31
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Play Later Play Later Lists Like LikedThe post discussed in this episode is about inertia: https://www.asianturfgrass.com/post/inertia-as-the-force-of-inactivity/ More about frost at https://www.asianturfgrass.com/tag/frost/ Sign-up to ATC newsletters for more turfgrass info at https://www.asianturfgrass.com/#newsletters Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 How much carbon and humus are in the soil under turfgrass? 12:35
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Play Later Play Later Lists Like LikedThis is a description and narrative of the blog post about a popular topic --- carbon fertilizer and soil organic matter. The blog post is https://www.asianturfgrass.com/post/how-much-carbon-and-humus-are-in-the-soil/ ATC newsletter subscriptions: https://www.asianturfgrass.com/#newsletters All ATC blog posts tagged "carbon": https://www.asianturfgrass.com/tag/carbon/ Hopkins & Hopkins asking "is carbon the next frontier in fertilization?": https://www.asianturfgrass.com/post/is-carbon-the-next-frontier-in-fertilization/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 Five years of sand topdressing adds up to less than I used to recommend in one year 10:17
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Play Later Play Later Lists Like LikedThis is a discussion of my blog post on sand topdressing amounts over five years, and how it happens that the five year total is actually less than I once recommended by applied in routine maintenance in a single year. The post I discuss is: https://www.asianturfgrass.com/post/surface-layer-organic-matter/ If you'd like to receive new posts from the ATC blog the same day they are published, sign-up here: https://www.asianturfgrass.com/#newsletters I also mentioned the post and video in which I highlighted the playing conditions after only one topdressing in a year: https://www.asianturfgrass.com/post/what-happens-if-you-dont-sand-greens/ https://youtu.be/bbcJhA1zqNo This explains more about site-specific organic matter accumulation rates: https://www.asianturfgrass.com/post/inexorable-rise-soil-organic-matter/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
1 More potassium than grass can use or the soil can hold has an inevitable result 7:52
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Play Later Play Later Lists Like LikedI discuss this blog post: https://www.asianturfgrass.com/post/adding-potassium-does-not-increase-soil-ability-to-store-it/ ATC newsletter subscriptions: https://www.asianturfgrass.com/#newsletters MLSN hub: https://www.asianturfgrass.com/mlsn/ More about Jackie Guevara's soil test and fertilizer research at Michigan State University: https://www.asianturfgrass.com/post/mlsn-and-turfgrass-nutrient-recommendations/ https://www.asianturfgrass.com/post/soil-test-showdown/ Turf Without Borders show page: https://turfwb.asianturfgrass.com/…
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The ATC Doublecut with Micah Woods
Hi. I'm Micah Woods, chief scientist at the Asian Turfgrass Center. I've been studying turfgrass around the world since the 1990s, and I've been writing about turfgrass on my blog in three decades now. That's more than a thousand posts about all kinds of turfgrass topics --- playing conditions, fertilizer, soil tests, grass selection, sustainability, frost delays, growth rate --- pretty much everything that I've been interested in. In this ATC Doublecut series, I'm discussing some of these same topics. Mostly it's the new blog posts, the most recently published ones, but I may take a second look at some of the classic, perennially popular topics. And that's what this Doublecut is --- another look at a topic, with some supplemental information, perhaps some background stories about the topic that I didn't include in the blog post, a justification for why I thought the topic was important enough to write about, and important enough for you to read. These are going to be in the form of videos, so I can show some photos or charts if I think they are relevant, and I'm also releasing this series as a podcast, because I try to describe what I am seeing, so I think this can work as pure audio too. If you think the topic is interesting enough to learn more about, and I hope you will, then you can check out the details at asianturfgrass.com . I put the link to each post getting the Doublecut treatment in the show notes. My idea with this series is to discuss each topic in a casual way, without too many numbers. To hit the key points, as if I were talking with a friend, explaining why I wrote the blog post, and what I am excited about with that particular topic, and what I hope a broader knowledge of that topic might accomplish. If you are a regular reader of the ATC website, then I expect this will be interesting for you because it provides more information about the topics I've written about. And if you are not a regular reader, I hope you'll find the ATC Doublecut enjoyable, as an easy way to find out more about these topics, without having to stop what you're doing, sit down, and read. Turfgrass management and some of the technical details, that's a niche topic. To be able to connect with people around the world with interest in this same niche topic of turfgrass management, that's an amazing thing. Thanks for listening, watching, and for your interest in these topics.…
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