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Common searches Soil testing Carbon-based fertilizer MLSN ATC podcasts Micah Woods PACE Turf Zoysia grass Shiny app calculators Bobble test Zoysia grass in California Tropical carpetgrass Zoysia putting greens Blog New posts Top posts Topic list Podcasts ATC Doublecut with Micah Woods ATC Office Hours Soil tests MLSN OM246 Soil tests and other lab services Projects Article library ClipVol Shiny Apps Turf project gallery Newsletters Seminar handouts PACE Turf About About Contact Light Dark Automatic New Posts The annual and year to date clipping yield I’ve taught a seminar that goes through 10 things I’ve learned about clipping volume. One of those things is this: keeping track of the total quantity of clippings year to date and as annual totals is useful. Micah Woods 2024-05-08 1 min read The time component of soil test interpretation Soil nutrient levels are dynamic. They change. In non-saline situations, the nutrient levels go down as the grass grows and uses some quantity of the soil nutrients.1 This is why the SLAN medium ranges seem so high, and why the MLSN method of soil test interpretation is so much more precise when making fertilizer recommendations for turfgrass. Micah Woods 2024-05-07 3 min read No Poa after 16 years When a creeping bentgrass green is sixteen years old, do you expect to find some Poa annua in it? I do. When I see greens that age without noticing any Poa plants, I pay attention. Micah Woods 2024-04-29 1 min read See all posts The ATC Doublecut with Micah Woods The podcast that takes a second look, thus a double cut,” at material on the ATC website. Listen to The ATC Doublecut Videos & livestreams A turfgrass library of videos, conversations, and seminar screencasts. ATC’s YouTube channel ATC newsletters Newsletters from ATC. Get highlights and announcements, #MLSN updates, or the full text of every new blog post the same day it is published. Sign up to ATC newsletters ATC Office Hours Office Hours podcast with turf managers, scientists, and students, about grass around the world. Listen to ATC Office Hours Previous Next Tagged topics aeration bentgrass bermudagrass bobble test calcium carbon carpetgrass climate ClipVol coring data analysis disease ecology Environment fertilizer golf green speed greenkeeping growth potential irrigation Japan Light manilagrass MLSN Mowing nitrogen OM246 organic matter Paspalum pH Philippines phosphorus playability podcast potassium research rturf salinity sand science seminar soil soil test stimpmeter surface hardness temperature Thailand Tissue test topdress tournament turf hacks turf info Turf reads Turf tourism video water weather web/tech weeds Zoysia Top posts Reflections on growth rate, nitrogen, and topdressing The growth ratio equation This is a soil pH chart that I do like Organic material accumulates more rapidly in putting green soils under these two conditions The Brede equation Organic matter reduction by hollow-tines, solid-tines, and sand topdressing You won’t believe this common maintenance practice doesn’t reduce organic matter at all No core aeration, no deep verticutting, and surprise! No summer decline Sand topdressing by exact depth: how to work it out Putting green organic matter by depth in the soil This one simple trick can transform putting greens from usually good to consistently great Is carbon "the next frontier in fertilization?" Micah Woods PACE Turf University of Tennessee About Micah Woods established the (ATC) in 2006 to develop and provide turfgrass information for the golf and sports turf industry. Through the ATC, he provides turfgrass advisory and soil testing services to golf clubs, sports facilities, and select clients around the world. Since 2009, he has been an Adjunct Professor in the Department of Plant Sciences at the University of Tennessee. Since 2022, he has been director of the PACE Turf information service. Micah manages to keep his eyes on the ground, studying the turfgrass species wherever he is in the world. He remains well grounded in the practical aspects of the golf game and his writing has been praised for its accessible style. Author of over two hundred articles in publications such as GOLF Magazine and Soil Science as well as books with intriguing titles like One Bucket at a Time and 芝草科学とグリーンキーピング: マイカの時間 The BOOK , Micah enjoys spending time creating animated charts and graphs of the data he has collected while discovering unexpected statistics. Interests Turfgrass nutrition Turfgrass selection & performance Efficient greenkeeping Soil nutrient analysis Education PhD in Horticulture, 2006 Cornell University BSc in Horticulture, 1998 Oregon State University Projects * All Clipping volume MLSN R Soil testing Videos Writing OM246 Measure exact topdressing effect, and requirement, by checking total organic material by depth. Books My books about greenkeeping, turfgrass science, clipping volume, and MLSN. Shiny Apps Web applications for R that make calculations or show data. Soil tests We provide soil testing services for clients around the world through Brookside Labs, and have an active research program in the area of turfgrass nutrition, soil and plant analysis, and sampling methods. Grammar of Greenkeeping I’ve made some movies with my friends to explain how the grammar of greenkeeping works. You may enjoy watching. PDF Video Rturf I’ve been doing some teaching, or demonstrating, how I use R software for data analysis in turf-related matters. See the full list of rturf posts. The initial project is about stimpmeter measurements and ClipVol. ClipVol Measuring the growth rate by clipping volume. Really. Turf Twitter Analyzing the tweets and the accounts of the turf industry on Twitter. Follow Global Soil Survey A project that investigated soil nutrient levels of good-performing turf all over the world. MLSN Minimum levels for sustainable nutrition—MLSN—is a modern method for interpreting soil tests for turfgrass. ATC Library Use the article filter to search the library. M. S. Woods (2021). The Secret MLSN Operations Manual . Project Source Document M. S. Woods , L. J. Stowell , W. D. Gelernter (2020). A survey of soil nutrient analyses from turfgrass sites in Asia, Europe, and North America . OSF. PDF Cite Code Dataset DOI E. H. Reasor , J. T. Brosnan , M. S. Woods (2020). A new method to measure bermudagrass (Cynodon spp.) golf course putting green ball roll uniformity . Journal of Testing and Evaluation . Cite DOI M. S. Woods (2020). Composite soil sampling for turfgrass . ATC Technical Report. PDF M. S. Woods (2019). Measuring clipping volume is easier and more useful than I expected . MIGCSA Course Conditions . PDF Cite M. S. Woods (2019). The turfgrass genki level . ATC Technical Report. PDF See all publications Books The Secret MLSN Operations Manual This is a compilation of the best content from the MLSN newsletter. It’s all about this modern method for soil test interpretation for turfgrass—how it works, how MLSN was developed, answers to common questions, and some fun stories about this project. M. S. Woods Project Source Document One Bucket at a Time You don’t have to measure the clipping volume. But if you are interested in doing so, I’ve written quite a bit about this topic, and I’ve put the information together here so those who are interested can find it in one place. M. S. Woods Project Source Document 芝草科学とグリーンキーピング (マイカの時間 The BOOK) Golf is a sport and is played on grass. The greenkeeper works with the grass to produce the best possible playing surface for golf. But just as each golf course has its own design and setting into the landscape, so also the grass on each golf course is growing in its own soil, in a particular climate, with an innumerable list of differences from any other golf course. M. S. Woods Source Document A Short Grammar of Greenkeeping These are the fundamental principles of greenkeeping, if one agrees that greenkeeping is all about the growth rate of the grass and modifying that rate to get the...