The Doublecut with Micah Woods

26:10

More about green firmness, 3 principles, and...

The Doublecut with Micah Woods ·

2026/09/24

I go back five years to another video showing ball reaction on greens topdressed once that year. The post discussed with embedded video, is https://www.asianturfgrass.com/post/what-happens-if-you-dont-sand-greens/2026 video at https://youtu.be/3UL6euRZJko2021 video is at https://youtu.be/bbcJhA1zqNoFirm greens, three general principles: https://paceturf.org/updates/firm-green-fundamentals/Find a suite of decision-making tools at https://www.paceturf.org/Read more about all kinds of

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34:15

Following the water: how calcium gets to the root and...

The Doublecut with Micah Woods ·

2026/09/18

Calcium is an essential element that is almost never required as fertilizer for turfgrass. This episodes explains how mass flow of Ca in the soil water creates an accumulation of Ca at the root surface.The post discussed is https://www.asianturfgrass.com/post/calcium-accumulation-root-surface/Find a suite of decision-making tools at https://paceturf.org/Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/Get free newsletters at

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20:35

No rain, one boar, and 40 years of summer precipitation

The Doublecut with Micah Woods ·

2026/08/21

The KBC News TV station did a profile of Keya GC greenkeeper Andrew McDaniel. Watch that (with an English language soundtrack, if necessary) and hear about the driest summer in at least 40 years (I didn't look back farther than that).The post discussed is https://paceturf.org/updates/day-in-the-life/Direct link to the KBC News profile at https://youtu.be/8RjcS21MvosFind a suite of decision-making tools at https://paceturf.org/Read more about all kinds of turfgrass topics at

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27:39

Phosphorus, rootzone volume, and algae

The Doublecut with Micah Woods ·

2026/08/11

I discussed grass responding to P at establishment, but not at maturity, as a function of soil P combined with rootzone volume. Posts discussed are:https://www.asianturfgrass.com/post/rootzone-volume-and-p/https://www.asianturfgrass.com/post/algae-sand-fertilizer/Find a suite of decision-making tools at https://www.paceturf.org/Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/Get free newsletters at https://www.asianturfgrass.com/newsletter/Find out more

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28:07

When the soil report is not really about extractable...

The Doublecut with Micah Woods ·

2026/08/03

The topic of nutrient availability and extractable vs. exchangeable vs. available nutrients used to come up a lot, and I'm glad I haven't been asked this question as frequently in recent years. Fortunately, I have a long list of blog posts about this topic, and a good starting point is the one reviewed in this episode : https://www.asianturfgrass.com/post/its-not-really-about-extractable-or-available/Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/Find a

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14:09

Stressed turf and nutrient supply

The Doublecut with Micah Woods ·

2026/07/29

This episode discusses Grime's definition of stress as "external constraints which limit the rate of dry matter production" and how this is related to nutrient supply/demand/requirement for fine turfgrass.The post discussed is https://www.asianturfgrass.com/post/does-stressed-turf-require-more-or-fewer-nutrients/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

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19:16

What happens to sand particle sizes after topdressing

The Doublecut with Micah Woods ·

2026/07/20

I looked at sand particle sizes at the top of putting green rootzones, and compared those particle sizes to what is in the sand topdressing. The average results of this analysis are presented in this episode.The chart discussed is available at https://www.paceturf.org/gallery/detail/particle-size-change-from-topdressing-to-om2Read 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

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28:09

Wet air, summer, and dew point depression

The Doublecut with Micah Woods ·

2026/07/13

I looked at the temperatures and dew points for a range of cities around the world during the first month of the most recent meteorological summer. June 2026 in the northern hemisphere, and December 2025 in the southern.The blog post discussed is: https://www.asianturfgrass.com/post/first-month-of-summer-dew-point-depression/Also see the day in that month with the highest average dew point: https://www.paceturf.org/gallery/detail/first-month-of-summer-2026-maximum-dew-pointRead more about

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26:08

Putting green firmness and surface organic material...

The Doublecut with Micah Woods ·

2026/07/06

The firmness of putting greens varies with the surface organic material. More organic material in the top 2 cm (0.8 inches), and greens are softer. I discuss terminology, the relationship between firmness and organic material, and what you can do about this.The blog post discussed is https://www.asianturfgrass.com/post/om2-and-firmness/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

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49:22

Sand topdressing matched to clipping volume, with...

The Doublecut with Micah Woods ·

2026/06/01

I've updated my recommendation for the sand quantity to apply for every unit of clipping volume harvested, if your goal is to keep surface organic material constant. Bjarni and I discussed topdressing by this method and the new equation that finds this sand amount.We discussed this post: https://www.asianturfgrass.com/post/sand-topdressing-ratios-clipping-volume/The PACE Turf table of sand rates based on surface organic material is at

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30:34

Post-rain growth flush: 12 mL from water, 8 from...

The Doublecut with Micah Woods ·

2026/05/25

This is about partitioning the growth flush after a rain. What's causing that growth flush? I made some calculations, using New Forest GC in the UK as an example. The increased soil water content from a 20 mm rain, in this example, would increase daily clipping volume from 10 mL/m2 to 22 mL/m2, a 12 mL increase.The blog post discussed is https://www.asianturfgrass.com/post/nitrogen-in-rain-or-nitrogen-from-the-soil/See also https://www.asianturfgrass.com/post/how-much-n-is-in-rain-and-snow/

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34:08

More air in the soil with frequent irrigation

The Doublecut with Micah Woods ·

2026/05/13

It sounds counterintuitive at first, that you can maintain a lower average water content in the soil, and a higher air content in the soil, by applying irrigation every day. Once upon a time, I thought the way to keep soils drier and with more air was to implement deep and infrequent irrigation. The blog post discussed is: https://www.asianturfgrass.com/post/deep-and-infrequent-or-light-and-frequent-irrigation-which-is-better/I also mentioned John Jordan's research, see:

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43:44

Why you should know standard sand amounts but not...

The Doublecut with Micah Woods ·

2026/05/08

Brian Whitlark joined me to talk about sand topdressing of putting greens and especially about sand amounts.The blog post we discussed is: https://www.asianturfgrass.com/post/standard-sand-amounts/Listen to Brian's recent appearance on the Frankly Speaking podcast: https://podcasts.apple.com/lt/podcast/firm-fast-desert-with-brian-whitlark/id1793571091?i=1000743219832OM246 calculator web app with sand quantity conversion calculator: https://asianturfgrass.shinyapps.io/om246/How to measure

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32:52

Competition, stress, disturbance, species,...

The Doublecut with Micah Woods ·

2026/04/30

High maintenance turf often requires a high disturbance and high stress environment. Grime's CSR theory says there are "no viable strategies" for plants in such an environment. I discuss the implications of this.Blog post discussed is https://www.asianturfgrass.com/post/competition-stress-disturbance/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

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64:13

Downward trend in OM2 and varying sand and N rates by...

The Doublecut with Micah Woods ·

2026/03/05

T-Jay Creamer is the golf course superintendent at Olympic View Golf Club on Vancouver Island. He's seen a steady decrease in OM2 in response to his N and sand rates, along with substantially more consistent OM2 values green to green. We discussed the results and what he does to accomplish this.The blog post we discussed is https://www.asianturfgrass.com/post/gvx-and-sand/The OM246 calculator Shiny app is https://asianturfgrass.shinyapps.io/om246/Exact sand topdressing rates

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64:35

Averages, river crossings, fescue, nutrients, spot...

The Doublecut with Micah Woods ·

2026/03/03

Jason Haines is the Links Superintendent at Cabot Cape Breton. We had a wide ranging conversation about blog posts from 2025, a new #MLSN article, controlling snow mold, things that look easy but aren't easy, and more.The blog post we discussed is https://www.asianturfgrass.com/post/ten-posts-no-one-read-in-2025/The spring 2026 article in GreenMaster about MLSN: https://online.flipbuilder.com/gbcmagazine/rpae/#p=16Video with Jason that shows the control of snow mold on greens in BC with

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56:50

Firmness, sand, and zoysiagrass with Stewart Naugler

The Doublecut with Micah Woods ·

2026/02/20

Stewart Naugler is the Director of Agronomy at Loraloma in Texas. We talked about zoysiagrass as a golfing surface, playability, and maintenance requirements. We started by discussion my "Achieving the warm-season links" article, available here: https://www.asianturfgrass.com/publication/woods-2013-gca/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

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22:24

Total organic material, soil organic matter, and screens

The Doublecut with Micah Woods ·

2026/02/16

Thatch and mat at the top of turfgrass rootzones are removed from soils prior to testing for soil organic matter. Total organic material (OM246) testing is designed to measure the soil organic matter plus the thatch and mat.The blog post discussed is https://www.asianturfgrass.com/post/organic-matter-and-screens/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

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30:14

GCSAA seminar overview, condition-based maintenance,...

The Doublecut with Micah Woods ·

2026/02/09

This gives an overview of the seminars I presented at the GCSAA Conference in 2026 and discusses updated PACE Turf site analyses of photosynthetically active radiation (PAR).Seminar handout page: https://www.asianturfgrass.com/seminar/gcsaa-2026/Example PAR site analysis in the PACE Turf gallery: https://www.paceturf.org/gallery/detail/site-par-analysisRead more about all kinds of turfgrass topics at https://www.asianturfgrass.com/Find a suite of decision-making tools at

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64:22

Research words, a new Turf Twitter analysis, and...

The Doublecut with Micah Woods ·

2026/01/15

Maggie Reiter joined me to discuss her "Finding Turf Twitter" analysis, her analysis of current turf research topics at the ASA-CSSA-SSSA meetings, tropical grasses, and irrigation water requirements.We discussed: https://www.asianturfgrass.com/post/a-brand-new-turf-twitter-analysis/https://maggiereiter.com/https://www.asianturfgrass.com/tag/carpetgrass/https://www.paceturf.org/gallery/detail/five-year-maphttps://www.paceturf.org/public/university-research-location-climate-appraisalsRead

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