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Episode | Date |
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Optimal and practical overseeding windows with Jim Huntoon
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Apr 19, 2024 |
Botanical walks, ecoregions, and MLSN for lawns with Maggie Reiter
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Mar 30, 2024 |
An example of ample light when temperature limits growth
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Mar 22, 2024 |
The combination of light (DLI) and temperature (GP)
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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
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Feb 17, 2024 |
Physical testing of golf putting green rootzones & soil nutrient sampling with Brian Mavis
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Feb 13, 2024 |
Forget about fertilizing with carbon, with Dr. Bryan Hopkins
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Feb 10, 2024 |
Annual sand topdressing quantities, zoysia seeds, and a measuring laser
|
Feb 03, 2024 |
Blog post bombs of 2023 with Joe Gulotti
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Jan 28, 2024 |
Nitrogen, coring, the pH chart, hourly ET, growth rate, and surface hardness: top posts of the year
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Jan 22, 2024 |
Photos remind me of what I learned last year
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Jan 14, 2024 |
How a conference education program gets put together with Deb Burnett & Sami Strutt
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Jan 10, 2024 |
Topdressing by rote isn't the best way to do it, with Chris Tritabaugh
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Jan 08, 2024 |
Robotic automowers for golf course (and all kinds of) turf with Janne Lehto, MG
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Jan 05, 2024 |
Updated OM246 sampling guide, GP is not MLSN, and soil samples don't dry too much
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Dec 24, 2023 |
Wetting agent re-application intervals by growing degree days (GDD) with Bill Kreuser
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Dec 18, 2023 |
Bentgrass greens in Perth summer temperatures with Fraser Brown
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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
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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
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Oct 22, 2023 |
The bobble test scoring scale and what the test is used for with Chris Tritabaugh
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Oct 18, 2023 |
Total organic material testing and reacting to soil test results with John Rowland
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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)
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Aug 24, 2023 |
Tournament golf and zoysia greens are a fascinating combination
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Aug 19, 2023 |
The growth ratio for consistent growth and nitrogen fertilizer adjustment with Jason Haines
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Aug 10, 2023 |
Turf Math with Bjarni Hannesson and Jason Haines
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Aug 07, 2023 |
Using morning and afternoon VWC measurements to find the site specific crop coefficient #TurfHacks
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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
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Jul 11, 2023 |
Grass gets this much PAR light in full sun (no clouds)
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Jul 02, 2023 |
Coring three times a year with half-inch tines on bentgrass putting greens
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Jun 26, 2023 |
The shade effect of clouds, photosynthetically active radiation, and 2 PAR apps
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Jun 24, 2023 |
It's tough to manage cool-season putting greens when ΔGP is less than 0
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Jun 16, 2023 |
Transition zone putting greens, light, speed, zoysia, bermuda, and bentgrass with Mike Richardson
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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
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May 14, 2023 |
Terminology of turfgrass soils: total organic material (#OM246) and soil organic matter (SOM)
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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
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Apr 30, 2023 |
Is nitrogen rate connected to surface area disruption?
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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
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Mar 31, 2023 |
Turfgrass growth rate and plant growth regulators with Bill Kreuser
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Mar 20, 2023 |
Cool-season turfgrass growth potential in Augusta in April and in November
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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
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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
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Aug 14, 2022 |
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
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Jul 31, 2022 |
Frank Rossi and I discuss what I've called my "least favorite experiment ever"
|
Jul 27, 2022 |
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
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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 |
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 |
What the ATC Doublecut is all about
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Dec 01, 2021 |