ATC Office Hours
Episodes
Autumn #OM246 review: 7 year timeline with Chris Tritabaugh
01 Dec 2025
Contributed by Lukas
Chris Tritabaugh and I share and comment on the latest #OM246 test results from what is now a time series stretching over the past seven growing seaso...
Pesticide-free turf management with Thomas Pihl, Mads Andersen, and Martin Nilsson
05 Nov 2025
Contributed by Lukas
Thomas Pihl, Mads Andersen, and Martin Nilsson joined ATC Office Hours to discuss the challenges, techniques, successes, and failures involved with pe...
Fungicide use intensity, the soil microbiome, and disease severity with Dr. Ming-Yi Chou
04 Aug 2025
Contributed by Lukas
Dr. Ming-Yi Chou joined me for a short discussion about this topic at the ITRC. Now we discuss this on ATC Office Hours and answer a few questions. Fo...
2024 #OM246 review with Chris Tritabaugh
31 Dec 2024
Contributed by Lukas
Join me, along with Chris Tritabaugh from Hazeltine National GC, as we review autumn soil test results. We especially look at the #OM246 total organic...
ATC Office Hours: growth ratio, measurement units, & turf math with Jason Haines & Bjarni Hannesson
09 Feb 2024
Contributed by Lukas
Jason and Bjarni joined me to talk about some useful turfgrass math, especially the turfgrass growth ratio, which you can read more about at https:/...
Autumn #OM246 review with "the guy who doesn't do maintenance Mondays"
20 Nov 2023
Contributed by Lukas
For the third consecutive autumn, Chris Tritabaugh joined me to review the OM246 (total organic material by depth) test results from the greens at Haz...
Firm bentgrass greens and OM management with Richard Forsyth
10 May 2023
Contributed by Lukas
Richard Forsyth is the director of courses at Royal Melbourne Golf Club. We discussed playing conditions, maintenance work, and grass types in relatio...
Championship conditions discussion with Eric Johnson and MLSN, ClipVol, & OM246
01 Feb 2023
Contributed by Lukas
Eric Johnson joined from his office at Chambers Bay to discuss everyday golfing conditions, championship playing surfaces, and workflow using techniqu...
Why are we cultivating so much? Soil organic matter with Dr. Roch Gaussoin
16 Dec 2022
Contributed by Lukas
Dr. Roch Gaussoin and I discussed soil organic matter, soil organic material, and a lot of things related that that topic.Read more about all kinds of...
Autumn 2022 OM246 review with Chris Tritabaugh
08 Dec 2022
Contributed by Lukas
Find out more about #OM246 testing at https://www.asianturfgrass.com/tag/om246/Read Chris's blog with more about this topic at https://ct-turf.medium....
MLSN and soil test interpretation on bentgrass and Poa annua with Jackie Guevara
02 Aug 2022
Contributed by Lukas
Jackie's thesis at Michigan State University was titled "Effects of Different Soil Testing Philosophies on Creeping Bentgrass and Annual Bluegrass Put...
Golf turf playability with Carl Schimenti: green speed, firmness, smoothness and trueness of roll
24 May 2022
Contributed by Lukas
Ball bounce clip from Dan Dinelli: https://youtube.com/clip/UgkxbIlZVkgZyANVSbtpaKnYkPk4xEeDGCyiPlayability-tagged posts on the ATC website: https://w...
No change in soil OM after sand topdressing just once in a year, with Andrew McDaniel
20 May 2022
Contributed by Lukas
We discussed the ball reaction video from the 2021 KBC Augusta tournament: https://youtu.be/bbcJhA1zqNoWatch this episode on YouTube: https://youtu.be...
Leaf nutrient analyses (tissue tests) with Doug Soldat
15 Mar 2022
Contributed by Lukas
Doug Soldat joined me to discuss tissue tests for turfgrass, and how we might make use of them (or not) to make decisions about fertilizer.Frankly Spe...
Chris Tritabaugh's blog, disruption, and playability
22 Feb 2022
Contributed by Lukas
Read Chris's blog at https://ct-turf.medium.com/The posts we discussed were titled Is that disruptionAre they right? andThe data says ...See more abo...
Turfgrass growth potential (GP) with Larry Stowell from PACE Turf
18 Feb 2022
Contributed by Lukas
Get climate appraisal forms from PACE Turf at https://www.paceturf.org/index.php/journal/climateRead about growth potential on the ATC website at http...
Nutrient requirements of Poa annua and MLSN with Ben Brace
01 Feb 2022
Contributed by Lukas
Ben Brace and I discussed how we expect MLSN to work for Poa annua, and if there might be some differences compared with creeping bentgrass. We discus...
Tom Cook on lawn ecology, bentgrass, and climax species in the Pacific Northwest
03 Dec 2021
Contributed by Lukas
Watch the video of this conversation: https://youtu.be/Xga9_uA8MBgRead more about Tom Cook in this article: https://www.turfnet.com/blogs/entry/1452-t...
OM246 report review with Chris Tritabaugh
24 Nov 2021
Contributed by Lukas
Chris Tritabaugh, the golf course superintendent at Hazeltine National Golf Club in Minnesota, discusses an OM246 report for samples collected in Octo...