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 material results, and discuss those in the context of maintenance work done, changes in the test results from past years, and most importantly, the relation of the tests to putting green performance.

• This video shows how to measure sand amounts: https://youtu.be/6LurONpyg5M?si=Von0kewt3gzi4wme
• This OM246 calculator finds the OM accumulation rate: https://asianturfgrass.shinyapps.io/om246/
• Find the climate appraisal form and more about GP at https://www.paceturf.org/
• Sign up for ATC newsletters at https://www.asianturfgrass.com/newsletter/
• About textbook N rates https://www.asianturfgrass.com/post/i-was-surprised-to-read-this-about-nitrogen-coring-and-sand/
• Summer cultivation and summer bentgrass decline https://www.asianturfgrass.com/post/hollow-tine-solid-tine-both-fail-alleviate-summer-bentgrass-decline/

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://www.asianturfgrass.com/tag/growth-ratio/

• Find more infomation at PACE Turf: https://www.paceturf.org/
• And at the ATC website: https://www.asianturfgrass.com/

For the third consecutive autumn, Chris Tritabaugh joined me to review the OM246 (total organic material by depth) test results from the greens at Hazeltine National Golf Club. We discussed playing conditions, maintenance work, and testing.

Here are some links.

• Chris's Substack: https://ctunderscoreturf.substack.com?utm_source=navbar&utm_medium=web&r=dakt8
• ATC website: https://www.asianturfgrass.com/
• ATC's OM246 page (with link to sampling recommendations): https://www.asianturfgrass.com/project/om246/
• PACE Turf: https://www.paceturf.org/
• Tim VanLoo's article on "Organic matter accumulation in sand-based [sports field] rootzones:" https://sportsfieldmanagementonline.com/2010/08/02/organic-matter-accumulation-in-sand-based-rootzones/4463/
• Tim VanLoo's thesis about OM and OM testing on sand-based sports fields: https://d.lib.msu.edu/etd/39253/OBJ/view
• My report about composite soil sampling for turfgrass: https://www.asianturfgrass.com/publication/woods-2020-sampling/