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  • Constants in the turfgrass growth potential equation

    Constants in the turfgrass growth potential equation

    · The ATC Doublecut with Micah Woods

    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 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/climateMore 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/paceturfATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter

    Subscribe to my new podcast, Turf Without Borders, at https://turfwb.asianturfgrass.com/subscribe

    Register for the Canadian Golf Course Management Conference in Niagara Falls at https://ogsa.ca/golfsupers-2025thecanadian/


    Register for the BIGGA Continue to Learn programme in Harrogate: https://www.btme.org.uk/continue-to-learn.html

    Register for my seminar at the GCSAA Conference and Show: https://gcsaaconference.com/education/session-detail?evt_id=737742c0-bb52-4192-ab34-f06c2413df04&ses_id=d85db2dc-ec5b-48c4-820f-57abce2a5193

    If you'd like to attend the 15th International Turfgrass Research Conference in Japan, here's a direct link to the conference website: https://itrc2025.turfsociety.com/

  • Two easy methods to estimate N mineralization under turfgrass

    Two easy methods to estimate N mineralization under turfgrass

    · The ATC Doublecut with Micah Woods

    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/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


    Subscribe to my new podcast, Turf Without Borders, at https://turfwb.asianturfgrass.com/subscribe

    Register for the Canadian Golf Course Management Conference in Niagara Falls at https://ogsa.ca/golfsupers-2025thecanadian/


    Register for the BIGGA Continue to Learn programme in Harrogate: https://www.btme.org.uk/continue-to-learn.html

    Register for my seminar at the GCSAA Conference and Show: https://gcsaaconference.com/education/session-detail?evt_id=737742c0-bb52-4192-ab34-f06c2413df04&ses_id=d85db2dc-ec5b-48c4-820f-57abce2a5193

    If you'd like to attend the 15th International Turfgrass Research Conference in Japan, here's a direct link to the conference website: https://itrc2025.turfsociety.com/

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  • Linear relationship between #ClipVol and dry weight

    Linear relationship between #ClipVol and dry weight

    · The ATC Doublecut with Micah Woods

    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 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/paceturfATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter

    Subscribe to my new podcast, Turf Without Borders, at https://turfwb.asianturfgrass.com/subscribe

    Register for the Canadian Golf Course Management Conference in Niagara Falls at https://ogsa.ca/golfsupers-2025thecanadian/


    Register for the BIGGA Continue to Learn programme in Harrogate: https://www.btme.org.uk/continue-to-learn.html

    Register for my seminar at the GCSAA Conference and Show: https://gcsaaconference.com/education/session-detail?evt_id=737742c0-bb52-4192-ab34-f06c2413df04&ses_id=d85db2dc-ec5b-48c4-820f-57abce2a5193

    If you'd like to attend the 15th International Turfgrass Research Conference in Japan, here's a direct link to the conference website: https://itrc2025.turfsociety.com/

  • Creeping, velvet, and browntop bentgrass seeds with Dr. Leah Brilman

    Creeping, velvet, and browntop bentgrass seeds with Dr. Leah Brilman

    · The ATC Doublecut with Micah Woods

    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 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


    Subscribe to my new podcast, Turf Without Borders, at https://turfwb.asianturfgrass.com/subscribe

    Register for the Canadian Golf Course Management Conference in Niagara Falls at https://ogsa.ca/golfsupers-2025thecanadian/


    Register for the BIGGA Continue to Learn programme in Harrogate: https://www.btme.org.uk/continue-to-learn.html

    Register for my seminar at the GCSAA Conference and Show: https://gcsaaconference.com/education/session-detail?evt_id=737742c0-bb52-4192-ab34-f06c2413df04&ses_id=d85db2dc-ec5b-48c4-820f-57abce2a5193

    If you'd like to attend the 15th International Turfgrass Research Conference in Japan, here's a direct link to the conference website: https://itrc2025.turfsociety.com/

  • Topdressing, mowing height, and education points with Andrew McDaniel

    Topdressing, mowing height, and education points with Andrew McDaniel

    · The ATC Doublecut with Micah Woods

    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 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/paceturfATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter

    Subscribe to my new podcast, Turf Without Borders, at https://turfwb.asianturfgrass.com/subscribe

    Register for the Canadian Golf Course Management Conference in Niagara Falls at https://ogsa.ca/golfsupers-2025thecanadian/


    Register for the BIGGA Continue to Learn programme in Harrogate: https://www.btme.org.uk/continue-to-learn.html

    Register for my seminar at the GCSAA Conference and Show: https://gcsaaconference.com/education/session-detail?evt_id=737742c0-bb52-4192-ab34-f06c2413df04&ses_id=d85db2dc-ec5b-48c4-820f-57abce2a5193

    If you'd like to attend the 15th International Turfgrass Research Conference in Japan, here's a direct link to the conference website: https://itrc2025.turfsociety.com/

  • Four things to look at with #OM246 test results

    Four things to look at with #OM246 test results

    · The ATC Doublecut with Micah Woods

    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/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


    Subscribe to my new podcast, Turf Without Borders, at https://turfwb.asianturfgrass.com/subscribe

    Register for the Canadian Golf Course Management Conference in Niagara Falls at https://ogsa.ca/golfsupers-2025thecanadian/


    Register for the BIGGA Continue to Learn programme in Harrogate: https://www.btme.org.uk/continue-to-learn.html

    Register for my seminar at the GCSAA Conference and Show: https://gcsaaconference.com/education/session-detail?evt_id=737742c0-bb52-4192-ab34-f06c2413df04&ses_id=d85db2dc-ec5b-48c4-820f-57abce2a5193

    If you'd like to attend the 15th International Turfgrass Research Conference in Japan, here's a direct link to the conference website: https://itrc2025.turfsociety.com/

  • Golf course water requirement, overseeding, & Zoysia vs. bermudagrass with Dr. Matteo Serena

    Golf course water requirement, overseeding, & Zoysia vs. bermudagrass with Dr. Matteo Serena

    · The ATC Doublecut with Micah Woods

    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:
    - 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


    Subscribe to my new podcast, Turf Without Borders, at https://turfwb.asianturfgrass.com/subscribe

    Register for the Canadian Golf Course Management Conference in Niagara Falls at https://ogsa.ca/golfsupers-2025thecanadian/


    Register for the BIGGA Continue to Learn programme in Harrogate: https://www.btme.org.uk/continue-to-learn.html

    Register for my seminar at the GCSAA Conference and Show: https://gcsaaconference.com/education/session-detail?evt_id=737742c0-bb52-4192-ab34-f06c2413df04&ses_id=d85db2dc-ec5b-48c4-820f-57abce2a5193

    If you'd like to attend the 15th International Turfgrass Research Conference in Japan, here's a direct link to the conference website: https://itrc2025.turfsociety.com/

  • GvX, top six episodes, and turf terminology

    GvX, top six episodes, and turf terminology

    · The ATC Doublecut with Micah Woods

    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 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/paceturfATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter

    Subscribe to my new podcast, Turf Without Borders, at https://turfwb.asianturfgrass.com/subscribe

    Register for the Canadian Golf Course Management Conference in Niagara Falls at https://ogsa.ca/golfsupers-2025thecanadian/


    Register for the BIGGA Continue to Learn programme in Harrogate: https://www.btme.org.uk/continue-to-learn.html

    Register for my seminar at the GCSAA Conference and Show: https://gcsaaconference.com/education/session-detail?evt_id=737742c0-bb52-4192-ab34-f06c2413df04&ses_id=d85db2dc-ec5b-48c4-820f-57abce2a5193

    If you'd like to attend the 15th International Turfgrass Research Conference in Japan, here's a direct link to the conference website: https://itrc2025.turfsociety.com/

  • Summer temperatures, turfgrass, and ΔGP

    Summer temperatures, turfgrass, and ΔGP

    · 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


    Subscribe to my new podcast, Turf Without Borders, at https://turfwb.asianturfgrass.com/subscribe

    Register for the Canadian Golf Course Management Conference in Niagara Falls at https://ogsa.ca/golfsupers-2025thecanadian/


    Register for the BIGGA Continue to Learn programme in Harrogate: https://www.btme.org.uk/continue-to-learn.html

    Register for my seminar at the GCSAA Conference and Show: https://gcsaaconference.com/education/session-detail?evt_id=737742c0-bb52-4192-ab34-f06c2413df04&ses_id=d85db2dc-ec5b-48c4-820f-57abce2a5193

    If you'd like to attend the 15th International Turfgrass Research Conference in Japan, here's a direct link to the conference website: https://itrc2025.turfsociety.com/

  • Google's NotebookLM & audio summaries of the MLSN, GSS, and Grammar of Greenkeeping projects

    Google's NotebookLM & audio summaries of the MLSN, GSS, and Grammar of Greenkeeping projects

    · The ATC Doublecut with Micah Woods

    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: https://www.asianturfgrass.com/post/grammar-greenkeeping-turfgrass-growth-optimal-playing-surfaces/Google's NotebookLMGlobal Soil SurveyMLSN cheat sheetPACE Turf

    Subscribe to my new podcast, Turf Without Borders, at https://turfwb.asianturfgrass.com/subscribe

    Register for the Canadian Golf Course Management Conference in Niagara Falls at https://ogsa.ca/golfsupers-2025thecanadian/


    Register for the BIGGA Continue to Learn programme in Harrogate: https://www.btme.org.uk/continue-to-learn.html

    Register for my seminar at the GCSAA Conference and Show: https://gcsaaconference.com/education/session-detail?evt_id=737742c0-bb52-4192-ab34-f06c2413df04&ses_id=d85db2dc-ec5b-48c4-820f-57abce2a5193

    If you'd like to attend the 15th International Turfgrass Research Conference in Japan, here's a direct link to the conference website: https://itrc2025.turfsociety.com/

  • Browntop greens, Poa annua suppression, pH, & OM testing with Grant Saunders

    Browntop greens, Poa annua suppression, pH, & OM testing with Grant Saunders

    · The ATC Doublecut with Micah Woods

    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 Micah" episode from Hamilton Golf Club https://youtu.be/dWj-MO4UBW4?si=oF-rtC_BWTPEYZmBhttps://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/paceturfATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter

    Subscribe to my new podcast, Turf Without Borders, at https://turfwb.asianturfgrass.com/subscribe

    Register for the Canadian Golf Course Management Conference in Niagara Falls at https://ogsa.ca/golfsupers-2025thecanadian/


    Register for the BIGGA Continue to Learn programme in Harrogate: https://www.btme.org.uk/continue-to-learn.html

    Register for my seminar at the GCSAA Conference and Show: https://gcsaaconference.com/education/session-detail?evt_id=737742c0-bb52-4192-ab34-f06c2413df04&ses_id=d85db2dc-ec5b-48c4-820f-57abce2a5193

    If you'd like to attend the 15th International Turfgrass Research Conference in Japan, here's a direct link to the conference website: https://itrc2025.turfsociety.com/

  • Using #OM246 test results to get net organic material accumulation rate

    Using #OM246 test results to get net organic material accumulation rate

    · The ATC Doublecut with Micah Woods

    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 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


    Subscribe to my new podcast, Turf Without Borders, at https://turfwb.asianturfgrass.com/subscribe

    Register for the Canadian Golf Course Management Conference in Niagara Falls at https://ogsa.ca/golfsupers-2025thecanadian/


    Register for the BIGGA Continue to Learn programme in Harrogate: https://www.btme.org.uk/continue-to-learn.html

    Register for my seminar at the GCSAA Conference and Show: https://gcsaaconference.com/education/session-detail?evt_id=737742c0-bb52-4192-ab34-f06c2413df04&ses_id=d85db2dc-ec5b-48c4-820f-57abce2a5193

    If you'd like to attend the 15th International Turfgrass Research Conference in Japan, here's a direct link to the conference website: https://itrc2025.turfsociety.com/

  • Tournaments and the

    Tournaments and the "grammar" with T-Jay Creamer

    · The ATC Doublecut with Micah Woods

    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: 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


    Subscribe to my new podcast, Turf Without Borders, at https://turfwb.asianturfgrass.com/subscribe

    Register for the Canadian Golf Course Management Conference in Niagara Falls at https://ogsa.ca/golfsupers-2025thecanadian/


    Register for the BIGGA Continue to Learn programme in Harrogate: https://www.btme.org.uk/continue-to-learn.html

    Register for my seminar at the GCSAA Conference and Show: https://gcsaaconference.com/education/session-detail?evt_id=737742c0-bb52-4192-ab34-f06c2413df04&ses_id=d85db2dc-ec5b-48c4-820f-57abce2a5193

    If you'd like to attend the 15th International Turfgrass Research Conference in Japan, here's a direct link to the conference website: https://itrc2025.turfsociety.com/

  • My visit to Delaware with Joe Gulotti (The Talking Greenkeeper)

    My visit to Delaware with Joe Gulotti (The Talking Greenkeeper)

    · The ATC Doublecut with Micah Woods

    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/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/


    Subscribe to my new podcast, Turf Without Borders, at https://turfwb.asianturfgrass.com/subscribe

    Register for the Canadian Golf Course Management Conference in Niagara Falls at https://ogsa.ca/golfsupers-2025thecanadian/


    Register for the BIGGA Continue to Learn programme in Harrogate: https://www.btme.org.uk/continue-to-learn.html

    Register for my seminar at the GCSAA Conference and Show: https://gcsaaconference.com/education/session-detail?evt_id=737742c0-bb52-4192-ab34-f06c2413df04&ses_id=d85db2dc-ec5b-48c4-820f-57abce2a5193

    If you'd like to attend the 15th International Turfgrass Research Conference in Japan, here's a direct link to the conference website: https://itrc2025.turfsociety.com/

  • A turf paradox: better turf in soils with lower nutrient content

    A turf paradox: better turf in soils with lower nutrient content

    · The ATC Doublecut with Micah Woods

    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=2jQevp6CqKPWR1giRead 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/paceturfATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter

    Subscribe to my new podcast, Turf Without Borders, at https://turfwb.asianturfgrass.com/subscribe

    Register for the Canadian Golf Course Management Conference in Niagara Falls at https://ogsa.ca/golfsupers-2025thecanadian/


    Register for the BIGGA Continue to Learn programme in Harrogate: https://www.btme.org.uk/continue-to-learn.html

    Register for my seminar at the GCSAA Conference and Show: https://gcsaaconference.com/education/session-detail?evt_id=737742c0-bb52-4192-ab34-f06c2413df04&ses_id=d85db2dc-ec5b-48c4-820f-57abce2a5193

    If you'd like to attend the 15th International Turfgrass Research Conference in Japan, here's a direct link to the conference website: https://itrc2025.turfsociety.com/

  • Disease, nutrition, and control problems, with Dr. John Dempsey

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

    · The ATC Doublecut with Micah Woods

    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_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/paceturfATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter

    Subscribe to my new podcast, Turf Without Borders, at https://turfwb.asianturfgrass.com/subscribe

    Register for the Canadian Golf Course Management Conference in Niagara Falls at https://ogsa.ca/golfsupers-2025thecanadian/


    Register for the BIGGA Continue to Learn programme in Harrogate: https://www.btme.org.uk/continue-to-learn.html

    Register for my seminar at the GCSAA Conference and Show: https://gcsaaconference.com/education/session-detail?evt_id=737742c0-bb52-4192-ab34-f06c2413df04&ses_id=d85db2dc-ec5b-48c4-820f-57abce2a5193

    If you'd like to attend the 15th International Turfgrass Research Conference in Japan, here's a direct link to the conference website: https://itrc2025.turfsociety.com/

  • OM measurements, models, and data analysis with Dr. Henry Qu

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

    · The ATC Doublecut with Micah Woods

    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 presentation "On the Data Analysis of Small-Plot Field Trials in Turfgrass Science:" https://scisoc.confex.com/scisoc/2023am/meetingapp.cgi/Paper/148936NTEP, the National Turfgrass Evaluation Program: https://ntep.org/Oxbridge Economics: https://www.oxbridge-econ.com/aboutRead 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/paceturfATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter

    Subscribe to my new podcast, Turf Without Borders, at https://turfwb.asianturfgrass.com/subscribe

    Register for the Canadian Golf Course Management Conference in Niagara Falls at https://ogsa.ca/golfsupers-2025thecanadian/


    Register for the BIGGA Continue to Learn programme in Harrogate: https://www.btme.org.uk/continue-to-learn.html

    Register for my seminar at the GCSAA Conference and Show: https://gcsaaconference.com/education/session-detail?evt_id=737742c0-bb52-4192-ab34-f06c2413df04&ses_id=d85db2dc-ec5b-48c4-820f-57abce2a5193

    If you'd like to attend the 15th International Turfgrass Research Conference in Japan, here's a direct link to the conference website: https://itrc2025.turfsociety.com/

  • Doing more work to produce better turf with Jon Wall

    Doing more work to produce better turf with Jon Wall

    · The ATC Doublecut with Micah Woods

    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: https://youtu.be/hXtqiYOOq1E?si=8IVV-t06JVTqcfo6Infiltration 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/paceturfATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter

    Subscribe to my new podcast, Turf Without Borders, at https://turfwb.asianturfgrass.com/subscribe

    Register for the Canadian Golf Course Management Conference in Niagara Falls at https://ogsa.ca/golfsupers-2025thecanadian/


    Register for the BIGGA Continue to Learn programme in Harrogate: https://www.btme.org.uk/continue-to-learn.html

    Register for my seminar at the GCSAA Conference and Show: https://gcsaaconference.com/education/session-detail?evt_id=737742c0-bb52-4192-ab34-f06c2413df04&ses_id=d85db2dc-ec5b-48c4-820f-57abce2a5193

    If you'd like to attend the 15th International Turfgrass Research Conference in Japan, here's a direct link to the conference website: https://itrc2025.turfsociety.com/

  • Heat kills: a 12 point list and thermal death point temperatures for cool-season grass

    Heat kills: a 12 point list and thermal death point temperatures for cool-season grass

    · The ATC Doublecut with Micah Woods

    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.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


    Subscribe to my new podcast, Turf Without Borders, at https://turfwb.asianturfgrass.com/subscribe

    Register for the Canadian Golf Course Management Conference in Niagara Falls at https://ogsa.ca/golfsupers-2025thecanadian/


    Register for the BIGGA Continue to Learn programme in Harrogate: https://www.btme.org.uk/continue-to-learn.html

    Register for my seminar at the GCSAA Conference and Show: https://gcsaaconference.com/education/session-detail?evt_id=737742c0-bb52-4192-ab34-f06c2413df04&ses_id=d85db2dc-ec5b-48c4-820f-57abce2a5193

    If you'd like to attend the 15th International Turfgrass Research Conference in Japan, here's a direct link to the conference website: https://itrc2025.turfsociety.com/

  • Explaining MLSN and assessing ball roll on putting greens, with Carl Schimenti

    Explaining MLSN and assessing ball roll on putting greens, with Carl Schimenti

    · The ATC Doublecut with Micah Woods

    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/Daniel Palin with the MLSN test on The Talking Greenkeper: https://podcasts.apple.com/us/podcast/daniel-palin/id1435947281?i=1000647459615Blog 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/itsrj2016.05.0332My video on How to measure the smoothness and trueness of golf course putting greens? https://youtu.be/Fg_aDTB-O10?si=ZA4rgU2A1SLACrJ5Bobble 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/paceturfATC's YouTube channel at https://www.youtube.com/asianturfgrasscenter

    Subscribe to my new podcast, Turf Without Borders, at https://turfwb.asianturfgrass.com/subscribe

    Register for the Canadian Golf Course Management Conference in Niagara Falls at https://ogsa.ca/golfsupers-2025thecanadian/


    Register for the BIGGA Continue to Learn programme in Harrogate: https://www.btme.org.uk/continue-to-learn.html

    Register for my seminar at the GCSAA Conference and Show: https://gcsaaconference.com/education/session-detail?evt_id=737742c0-bb52-4192-ab34-f06c2413df04&ses_id=d85db2dc-ec5b-48c4-820f-57abce2a5193

    If you'd like to attend the 15th International Turfgrass Research Conference in Japan, here's a direct link to the conference website: https://itrc2025.turfsociety.com/

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