The ATC Doublecut with Micah Woods
By Asian Turfgrass Center
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Category: Golf
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Episodes: 202
Description
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.
| Episode | Date |
|---|---|
|
Downward trend in OM2 and varying sand and N rates by green with T-Jay Creamer
|
Mar 05, 2026 |
|
Averages, river crossings, fescue, nutrients, spot spraying, and snow mold with Jason Haines
|
Mar 03, 2026 |
|
Firmness, sand, and zoysiagrass with Stewart Naugler
|
Feb 20, 2026 |
|
Total organic material, soil organic matter, and screens
|
Feb 16, 2026 |
|
GCSAA seminar overview, condition-based maintenance, and PAR
|
Feb 09, 2026 |
|
Research words, a new Turf Twitter analysis, and tropical grasses with Maggie Reiter
|
Jan 15, 2026 |
|
A blunt conclusion about coring
|
Jan 12, 2026 |
|
Flights & turf photos with Dr. John Kaminski
|
Jan 07, 2026 |
|
If soil is above #MLSN, add only N?
|
Jan 05, 2026 |
|
Top 10 posts of 2025 holiday extravaganza with Joe Gulotti
|
Dec 24, 2025 |
|
Nutrient recommendations when clippings are removed vs. returned
|
Dec 22, 2025 |
|
Soil nutrient values in units of "years of use" rather than units of ppm
|
Dec 10, 2025 |
|
How to make greens soft, and the opposite, making soft greens harder
|
Nov 28, 2025 |
|
Sand quantity as depth, and a suggestion to measure sand application rates
|
Nov 24, 2025 |
|
The right rate for N and sand topdressing: how I do it
|
Nov 07, 2025 |
|
Usage rates for #ClipVol and #MLSN on golf courses in New York
|
Nov 03, 2025 |
|
Fertilizer quotes from Piper, Oakley, and Arthur, and #MLSN
|
Oct 07, 2025 |
|
Turfgrass soil sample depth, and what a pesticide-free golf course looks like (photo gallery)
|
Oct 01, 2025 |
|
The Short Grammar book and summer internships with Jim Huntoon
|
Aug 21, 2025 |
|
Humidity, heat, mid-round lunches, saunas, and the ITRC with Janne Lehto
|
Aug 13, 2025 |
|
Layers in the rootzone and turf performance with John Forrest and Jeff Austen
|
Aug 10, 2025 |
|
Gradation, particle size distribution, sand, and more sand with Adam Moeller
|
Aug 05, 2025 |
|
Regional MLSN and the soil nutrient levels producing good turf with John Emerson
|
Aug 05, 2025 |
|
The median particle size of sand used for putting green rootzones and topdressing
|
Jul 31, 2025 |
|
How to find the photosynthetically active radiation (PAR) anywhere
|
Jun 23, 2025 |
|
The GvX, #OM246, and #MLSN with John Petrovsky
|
Jun 18, 2025 |
|
GP and ClipVol in the UK with Geoff Fenn
|
Jun 09, 2025 |
|
Green speed went down by 0.6 inches per hour
|
May 28, 2025 |
|
Learning & remembering from a year of turf photos
|
May 11, 2025 |
|
Surface firmness and soil water content
|
May 01, 2025 |
|
The turf GvX for checking grass growth with Jason Haines
|
Apr 25, 2025 |
|
Living plant material (and thatch) are part of #OM246 too
|
Apr 23, 2025 |
|
Calculation of the average daily temperature
|
Apr 17, 2025 |
|
The ATC blog post bombs of 2024 with Joe Gulotti
|
Mar 30, 2025 |
|
Fertilizing grass this way seems strange to me now
|
Mar 17, 2025 |
|
Top 10 posts of 2024, plus app and podcast recommendations
|
Mar 06, 2025 |
|
Bracketing #ClipVol for a desired range of green speed
|
Feb 21, 2025 |
|
Nitrogen rate, pendulum swings, and anchoring
|
Jan 29, 2025 |
|
What every greenkeeper should know about sand in clippings with Dr. Bill Kreuser
|
Dec 10, 2024 |
|
Potassium, dogma, and putting green smoothness with Dr. Frank Rossi
|
Dec 04, 2024 |
|
Constants in the turfgrass growth potential equation
|
Nov 25, 2024 |
|
Two easy methods to estimate N mineralization under turfgrass
|
Nov 12, 2024 |
|
Linear relationship between #ClipVol and dry weight
|
Nov 03, 2024 |
|
Creeping, velvet, and browntop bentgrass seeds with Dr. Leah Brilman
|
Oct 30, 2024 |
|
Topdressing, mowing height, and education points with Andrew McDaniel
|
Oct 25, 2024 |
|
Four things to look at with #OM246 test results
|
Oct 22, 2024 |
|
Golf course water requirement, overseeding, & Zoysia vs. bermudagrass with Dr. Matteo Serena
|
Oct 18, 2024 |
|
GvX, top six episodes, and turf terminology
|
Oct 16, 2024 |
|
Summer temperatures, turfgrass, and ΔGP
|
Sep 30, 2024 |
|
Google's NotebookLM & audio summaries of the MLSN, GSS, and Grammar of Greenkeeping projects
|
Sep 23, 2024 |
|
Browntop greens, Poa annua suppression, pH, & OM testing with Grant Saunders
|
Sep 22, 2024 |
|
Using #OM246 test results to get net organic material accumulation rate
|
Sep 13, 2024 |
|
Tournaments and the "grammar" with T-Jay Creamer
|
Sep 02, 2024 |
|
My visit to Delaware with Joe Gulotti (The Talking Greenkeeper)
|
Aug 30, 2024 |
|
A turf paradox: better turf in soils with lower nutrient content
|
Aug 08, 2024 |
|
Disease, nutrition, and control problems, with Dr. John Dempsey
|
Jul 17, 2024 |
|
OM measurements, models, and data analysis with Dr. Henry Qu
|
Jul 14, 2024 |
|
Doing more work to produce better turf with Jon Wall
|
Jul 12, 2024 |
|
Heat kills: a 12 point list and thermal death point temperatures for cool-season grass
|
Jul 09, 2024 |
|
Explaining MLSN and assessing ball roll on putting greens, with Carl Schimenti
|
Jun 27, 2024 |
|
Checking phosphorus gradients on putting greens with an upper and lower rootzone sample
|
Jun 26, 2024 |
|
Spring green-up of cool and warm-season grasses with Maggie Reiter
|
Jun 21, 2024 |
|
How many hours until the grass wilts? Predicting soil water content with Dr. Bill Kreuser
|
Jun 13, 2024 |
|
Core sweepers make aeration easier, ball roll after 270 rounds, and estimating N in clippings
|
Jun 12, 2024 |
|
What you should know about soil test P, spring growth, and #TurfSpeedo calculations
|
Jun 09, 2024 |
|
Putting surface management, the turf speedo (growth ratio), & surprising results with T-Jay Creamer
|
May 24, 2024 |
|
P fertilizer & Poa, the #MLSN time issue, and #ClipVol annual totals
|
May 19, 2024 |
|
Optimal and practical overseeding windows with Jim Huntoon
|
Apr 19, 2024 |
|
Botanical walks, ecoregions, and MLSN for lawns with Maggie Reiter
|
Mar 30, 2024 |
|
An example of ample light when temperature limits growth
|
Mar 22, 2024 |
|
The combination of light (DLI) and temperature (GP)
|
Mar 16, 2024 |
|
Leaf N normals from PACE, plus #OM246 video, #MLSN testing, #TurfMath, and soil test frequency
|
Mar 10, 2024 |
|
Adam Moeller on sand, #OM246, #ClipVol, and putting green management in 2024
|
Feb 17, 2024 |
|
Physical testing of golf putting green rootzones & soil nutrient sampling with Brian Mavis
|
Feb 13, 2024 |
|
Forget about fertilizing with carbon, with Dr. Bryan Hopkins
|
Feb 10, 2024 |
|
Annual sand topdressing quantities, zoysia seeds, and a measuring laser
|
Feb 03, 2024 |
|
Blog post bombs of 2023 with Joe Gulotti
|
Jan 28, 2024 |
|
Nitrogen, coring, the pH chart, hourly ET, growth rate, and surface hardness: top posts of the year
|
Jan 22, 2024 |
|
Photos remind me of what I learned last year
|
Jan 14, 2024 |
|
How a conference education program gets put together with Deb Burnett & Sami Strutt
|
Jan 10, 2024 |
|
Topdressing by rote isn't the best way to do it, with Chris Tritabaugh
|
Jan 08, 2024 |
|
Robotic automowers for golf course (and all kinds of) turf with Janne Lehto, MG
|
Jan 05, 2024 |
|
Updated OM246 sampling guide, GP is not MLSN, and soil samples don't dry too much
|
Dec 24, 2023 |
|
Wetting agent re-application intervals by growing degree days (GDD) with Bill Kreuser
|
Dec 18, 2023 |
|
Bentgrass greens in Perth summer temperatures with Fraser Brown
|
Nov 13, 2023 |
|
Maximum N rates that work when linked to growth potential (GP) with Dr. Michael Bekken
|
Nov 10, 2023 |
|
Sand topdressing rates, soil organic matter/material, cultivation, and K with Chas Schmid
|
Oct 31, 2023 |
|
Fertilizer by "program" vs. application by a flexible system
|
Oct 29, 2023 |
|
Documenting progress by comparing totals from one year to the next with Jon Wall
|
Oct 23, 2023 |
|
How much soil organic matter is too much? Plus Zoysia, circle mows, botany, and ecology
|
Oct 22, 2023 |
|
The bobble test scoring scale and what the test is used for with Chris Tritabaugh
|
Oct 18, 2023 |
|
Total organic material testing and reacting to soil test results with John Rowland
|
Oct 11, 2023 |
|
Change in ball roll on putting greens from morning to afternoon
|
Oct 04, 2023 |
|
Using turf math, mg/kg, ppm, and fertilizer rates, with Bjarni Hannesson
|
Sep 19, 2023 |
|
Does a location exist with 365 days a year of high GP for cool-season grass?
|
Sep 14, 2023 |
|
"Blown away by the quality" of turfgrass by a simple method of adjusting N fertilizer
|
Sep 10, 2023 |
|
A daily tournament diary from the 2023 KBC Augusta golf tournament in Japan
|
Sep 04, 2023 |
|
Reflections on a July with record heat and drought
|
Aug 26, 2023 |
|
Green firmness measurements after using a 4 ton roller (it actually didn't firm the surface much)
|
Aug 24, 2023 |
|
Tournament golf and zoysia greens are a fascinating combination
|
Aug 19, 2023 |
|
The growth ratio for consistent growth and nitrogen fertilizer adjustment with Jason Haines
|
Aug 10, 2023 |
|
Turf Math with Bjarni Hannesson and Jason Haines
|
Aug 07, 2023 |
|
Using morning and afternoon VWC measurements to find the site specific crop coefficient #TurfHacks
|
Jul 31, 2023 |
|
A soil water content turf hack
|
Jul 25, 2023 |
|
I prefer sand topdressing amounts expressed as a depth
|
Jul 21, 2023 |
|
Golf in Japan: maintenance staff numbers, rounds played, number of holes, and annual N rates
|
Jul 11, 2023 |
|
Grass gets this much PAR light in full sun (no clouds)
|
Jul 02, 2023 |
|
Coring three times a year with half-inch tines on bentgrass putting greens
|
Jun 26, 2023 |
|
The shade effect of clouds, photosynthetically active radiation, and 2 PAR apps
|
Jun 24, 2023 |
|
It's tough to manage cool-season putting greens when ΔGP is less than 0
|
Jun 16, 2023 |
|
Transition zone putting greens, light, speed, zoysia, bermuda, and bentgrass with Mike Richardson
|
May 31, 2023 |
|
Reflections on growth rate, nitrogen, and disruption, with Chris Tritabaugh
|
May 25, 2023 |
|
A soil test extravaganza
|
May 21, 2023 |
|
Blog post bombs of 2020 with The Talking Greenkeeper
|
May 14, 2023 |
|
Terminology of turfgrass soils: total organic material (#OM246) and soil organic matter (SOM) with Brian Whitlark
|
May 11, 2023 |
|
Potassium fertilizer could increase dandelions by 20x
|
May 06, 2023 |
|
Using the standard growth potential (GP) equation allows direct comparisons from site to site
|
Apr 30, 2023 |
|
Is nitrogen rate connected to surface area disruption?
|
Apr 21, 2023 |
|
All about the growth ratio equation for temperature-adjusted #ClipVol
|
Apr 10, 2023 |
|
Growth ratio to predict clipping volume for any time of year
|
Mar 31, 2023 |
|
Turfgrass growth rate and plant growth regulators with Bill Kreuser
|
Mar 20, 2023 |
|
Cool-season turfgrass growth potential in Augusta in April and in November
|
Mar 16, 2023 |
|
The USGA's GS3 for measuring putting green performance with Scott Mingay and Jordan Booth
|
Mar 03, 2023 |
|
Soil nutrient levels—especially in sand rootzones—can change rapidly
|
Mar 01, 2023 |
|
Five things to know about soil pH, and how to get the best fertilizer recommendations
|
Feb 23, 2023 |
|
Soil test calibration and interpretation for turfgrass with Beth Guertal
|
Feb 17, 2023 |
|
Growth potential of turfgrass, the link to actual growth, and a further connection to N fertilizer with Bjarni Hannesson
|
Feb 13, 2023 |
|
The temperature-based turfgrass growth potential (GP) in words — not numbers
|
Feb 10, 2023 |
|
Spots of excitement—snow mold spots—in an otherwise boring potassium experiment, with Doug Soldat
|
Jan 31, 2023 |
|
How to collect soil samples for #OM246 and #MLSN tests
|
Jan 24, 2023 |
|
Turfgrass Twitter in 2022 with Paul Hurst
|
Jan 16, 2023 |
|
The 10 posts no one read last year with Joe Gulotti
|
Jan 15, 2023 |
|
How much N is in two tenths of a pound? A lot, or a little?
|
Jan 12, 2023 |
|
Fourteen of my favorite turf photos from 2022
|
Jan 09, 2023 |
|
Planning forward, measuring backward, plus a year end miscellany
|
Dec 30, 2022 |
|
Total organic material testing (OM246) to measure how much grass grew underground
|
Dec 05, 2022 |
|
Park Grass experiment photo gallery, fertilizers, and weeds in turfgrass
|
Nov 30, 2022 |
|
Is carbon the next frontier in fertilization?
|
Nov 18, 2022 |
|
Coring (hollow-tine cultivation) as a growth stimulator, plus estimated N mineralization from SOM
|
Nov 03, 2022 |
|
Overseeding timing, early, late, and optimum, by delta growth potential (GP) with Larry Stowell
|
Oct 27, 2022 |
|
Why I recommend annual soil testing for professionally managed turfgrass grown in sand rootzones
|
Oct 24, 2022 |
|
Big picture implications of #MLSN, SLAN, & SPF phosphorus recommendations, plus cumulative #ClipVol
|
Oct 16, 2022 |
|
The most common soil testing mistakes, and how to avoid them, with Doug Soldat
|
Oct 11, 2022 |
|
An alternative reference for frost delays with Jim Huntoon
|
Oct 05, 2022 |
|
Using the turfgrass growth ratio to adjust for site-specific conditions with Jason Haines
|
Sep 28, 2022 |
|
Why soil samples should be air dried before sending to the lab
|
Sep 25, 2022 |
|
Turfgrass in Iceland, frost, 24 hours of golf, and #MLSN with Bjarni Hannesson
|
Sep 17, 2022 |
|
Grass color, consistency, and the oldest course in Thailand with Joe Gulotti
|
Sep 14, 2022 |
|
Mowing stripes on tea, 18 turfgrass videos about greenkeeping in Japan, plus best lift access snow
|
Sep 12, 2022 |
|
Manganese deficiency, Doublecut show stats, and my New Zealand presentation highlights
|
Sep 04, 2022 |
|
Drought performance of warm-season grasses plus a KBC Augusta data review
|
Aug 30, 2022 |
|
Managing seashore paspalum "dry and lean" with Jon Wall, plus tournament prep in Vietnam
|
Aug 28, 2022 |
|
Zoysia and bermudagrass green speed live from the KBC Augusta tournament in Japan
|
Aug 24, 2022 |
|
A lot more than the average tournament, sodium/potassium ratios in soil, & golf rounds data
|
Aug 22, 2022 |
|
Posts no one read (but I wish they had): grass on the Kumamoto city tram lines with Joe Gulotti
|
Aug 14, 2022 |
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Golf course architect Paul Jansen and I debate the best golfing destination in Asia
|
Aug 07, 2022 |
|
PACE Turf, turf textbook publishing, and the International Turfgrass Society w/ John Kaminski
|
Jul 31, 2022 |
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Frank Rossi and I discuss what I've called my "least favorite experiment ever"
|
Jul 27, 2022 |
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Andrew Thomson on remote courses in Japan, hickory golf, links turf, and "champagne golf"
|
Jul 25, 2022 |
|
Dollar spot and a predictive model, fertilizer recommendation survey, and light that's "missing"
|
Jul 20, 2022 |
|
Achieving the desired turf surfaces by thinking backwards (or why reactivity can beat proactivity)
|
Jul 17, 2022 |
|
Zoysia on putting greens? Why?
|
Jul 10, 2022 |
|
Zoysia seedheads and pitchmarks that last
|
Jul 03, 2022 |
|
Trees, turf, and tropical tournament golf
|
Jun 26, 2022 |
|
Soil and water management: 3 problems (salinity, sodium hazard, & deficiencies), with solutions
|
Jun 22, 2022 |
|
Urea as putting green fertilizer for complete control of tournament greens
|
Jun 12, 2022 |
|
4 tools to measure putting green firmness
|
Jun 04, 2022 |
|
Turfgrass rootzones: a carbon-rich, nitrogen-poor world
|
May 29, 2022 |
|
Elemental nutrient ratios as fertilizer recommendations, and a trip to see zoysia greens in the USA
|
May 22, 2022 |
|
Is the extra hole on Kawana's Fuji Course the best in the world? I think so. Plus, tropical #ClipVol
|
May 17, 2022 |
|
Putting green firmness, speed, and roll quality at the Catalunya Championship
|
May 13, 2022 |
|
Grass can grow too slow, plus Tom Cook's lawn and 2 tournaments in Spain
|
Apr 25, 2022 |
|
Soil organic matter accumulates more rapidly in young greens with lower OM content to begin with
|
Apr 21, 2022 |
|
What if the soil organic matter was never there to begin with?
|
Apr 19, 2022 |
|
MLSN & "deficiencies", tissue test manifesto, & Ireland conference presentations
|
Apr 17, 2022 |
|
The Tale of Two Tests (for soil organic matter)
|
Mar 13, 2022 |
|
A crash course in #OM246 and burn temperature
|
Mar 06, 2022 |
|
What's normal for OM2? (the total organic material at the surface of a putting green)
|
Mar 02, 2022 |
|
Bentgrass greens: average fertilizer supply vs. nutrient use
|
Feb 28, 2022 |
|
What's the deal with the variance parameter in the growth potential equation?
|
Feb 26, 2022 |
|
Using temperature-based growth potential (GP) to evaluate and compare season length
|
Feb 12, 2022 |
|
Soil sampling procedures for turfgrass: discussion & survey results
|
Feb 09, 2022 |
|
Two similar approaches to turfgrass nutrition with one notable difference
|
Jan 30, 2022 |
|
Five comments (and my replies) about the OM246 Office Hours
|
Jan 23, 2022 |
|
The remarkable effect of [just enough] traffic on an unmown lawn
|
Jan 16, 2022 |
|
Turf Twitter analysis, irrigation frequency and amount, & ATC content survey results
|
Jan 10, 2022 |
|
The top 10 posts of 2021 plus the non-comprehensive awesome list
|
Jan 03, 2022 |
|
Does organic matter vary from green to green by a lot, or by a little?
|
Dec 27, 2021 |
|
The 2.5 hour OM246 discussion, distilled, summarized, and reviewed
|
Dec 22, 2021 |
|
Zoysia, water use, and fact checking
|
Dec 19, 2021 |
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One thing I'd like everyone to understand about MLSN
|
Dec 15, 2021 |
|
Soil organic material by mass and by volume
|
Dec 13, 2021 |
|
A potassium reserve in the soil: non-exchangeable and mineral K
|
Dec 12, 2021 |
|
Soil organic matter and N mineralization (with a 5x difference between Reykjavik & Bangkok)
|
Dec 10, 2021 |
|
The growth ratio: is the grass growing faster, or slower, than expected?
|
Dec 02, 2021 |
|
Zoysia on highway medians in Thailand
|
Dec 01, 2021 |
|
All you need to know about total organic material measurement (#OM246) by depth
|
Dec 01, 2021 |
|
Inertia as the force of inactivity, and a story about frost delays
|
Dec 01, 2021 |
|
How much carbon and humus are in the soil under turfgrass?
|
Dec 01, 2021 |
|
Five years of sand topdressing adds up to less than I used to recommend in one year
|
Dec 01, 2021 |
|
More potassium than grass can use or the soil can hold has an inevitable result
|
Dec 01, 2021 |
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What the ATC Doublecut is all about
|
Dec 01, 2021 |