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PODCAST

The ATC Doublecut with Micah Woods

Asian Turfgrass Center

I discuss ATC blog posts, with supplementary information, stories, and the reasons why I thought the topic was worth writing about, and worth reading about. Thus, a doublecut of these topics. This covers grass selection, playability, and all the work done to create a certain type of turfgrass surface.

sports golf

All Episodes

24:12

Constants in the turfgrass growth potential equation

The ATC Doublecut with Micah Woods ·

2024/11/25

The 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

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21:31

Two easy methods to estimate N mineralization under...

The ATC Doublecut with Micah Woods ·

2024/11/12

You 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/subscribeRead more about all kinds of turfgrass topics at

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19:33

Linear relationship between #ClipVol and dry weight

The ATC Doublecut with Micah Woods ·

2024/11/03

This 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

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67:06

Creeping, velvet, and browntop bentgrass seeds with...

The ATC Doublecut with Micah Woods ·

2024/10/30

Leah 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/#tagsI've spoken about browntop bentgrass management in

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19:36

Topdressing, mowing height, and education points with...

The ATC Doublecut with Micah Woods ·

2024/10/25

Andrew 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

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24:55

Four things to look at with #OM246 test results

The ATC Doublecut with Micah Woods ·

2024/10/22

Here 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/wUtpJC1YPU0Read 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

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85:58

Golf course water requirement, overseeding, & Zoysia...

The ATC Doublecut with Micah Woods ·

2024/10/18

Matteo 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: -

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22:51

GvX, top six episodes, and turf terminology

The ATC Doublecut with Micah Woods ·

2024/10/16

I 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

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26:40

Summer temperatures, turfgrass, and ΔGP

The ATC Doublecut with Micah Woods ·

2024/09/30

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

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29:35

Google's NotebookLM & audio summaries of the MLSN,...

The ATC Doublecut with Micah Woods ·

2024/09/23

I 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:

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98:44

Browntop greens, Poa annua suppression, pH, & OM...

The ATC Doublecut with Micah Woods ·

2024/09/22

Grant 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.htmlA "Cart Rides with

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36:22

Using #OM246 test results to get net organic material...

The ATC Doublecut with Micah Woods ·

2024/09/13

When 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

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40:52

Tournaments and the "grammar" with T-Jay Creamer

The ATC Doublecut with Micah Woods ·

2024/09/02

T-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:

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50:25

My visit to Delaware with Joe Gulotti (The Talking...

The ATC Doublecut with Micah Woods ·

2024/08/30

A 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/id1435947281Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/Get ATC newsletters at

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42:15

A turf paradox: better turf in soils with lower...

The ATC Doublecut with Micah Woods ·

2024/08/08

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:

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63:48

Disease, nutrition, and control problems, with Dr....

The ATC Doublecut with Micah Woods ·

2024/07/17

Independent 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_DempseyRead more about all kinds of turfgrass topics at https://www.asianturfgrass.com/Get ATC newsletters at https://www.asianturfgrass.com/newsletter/Turfgrass information and

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51:15

OM measurements, models, and data analysis with Dr....

The ATC Doublecut with Micah Woods ·

2024/07/14

Dr. 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

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65:45

Doing more work to produce better turf with Jon Wall

The ATC Doublecut with Micah Woods ·

2024/07/12

Jon 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:

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25:48

Heat kills: a 12 point list and thermal death point...

The ATC Doublecut with Micah Woods ·

2024/07/09

It'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.pdfRead more about all kinds of turfgrass topics at https://www.asianturfgrass.com/Get ATC newsletters at

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89:08

Explaining MLSN and assessing ball roll on putting...

The ATC Doublecut with Micah Woods ·

2024/06/27

Carl 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/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

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202 results

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