Measuring nitrogen mineralization in soil with carbon tests April 2024 Is rapid soil mineralization carbon testing a valuable tool to guide fertilization on putting greens?
How much nitrogen fertilization does seeded bermudagrass require? December 2023 Field study determines optimal grow-in program for a seeded bermudagrass cultivar on a native soil using two nitrogen sources and variable application rates and frequencies.
Product highlights from the 2023 GCSAA Conference and Trade Show April 2023 New golf course maintenance equipment, products and tech took center stage in Orlando.
Myriad forces driving fertility volatility May 3, 2022 A multitude of factors have sent fertilizer prices skyrocketing, and turf managers big and small have been left to pay the price.
Humic fertilizer effects on soil, turf health November 2021 Using a sand-based putting green, researchers evaluated humic substances’ ability to enhance soil microbial activity and maintain turf quality with reduced nitrogen.
Potassium and turfgrass stress November 2021 Is potassium the plant protector it’s often purported to be, able to boost turf’s tolerance to traffic, cold and other stressors? Five studies offer a clearer picture of K’s functions and true capabilities.
Nitrogen fertilizer costs and turfgrass response August 2021 Are some pricier nitrogen sources a better value in the long run? Researchers looked into the claim, measuring turf’s responses to 10 N sources and the cost to achieve such responses.
Turfgrass nutrition recommendations: SLAN vs. MLSN August 2021 Michigan State researchers compared greens fertilized according to the different philosophies to see whether one resulted in better turf quality.
To the Nth degree: Nitrogen mineralization in turfgrass July 2021 Five research projects illuminate the N mineralization process in turf and what it means for your turf’s fertilization needs.
Verdure: Mind your prills and granules April 2021 What percentage of fertilizer granules get picked up by the mower, and does the loss affect turf health? A multisite study took a close look at granular fertilizer applications.
Verdure: B is for boron January 2021 A plant scientist and a pair studies offer insight on this essential plant nutrient and the effects of boron fertilization on turfgrass.
Verdure: Primo your way to reduced nitrogen fertilizer April 2020 Can applications of trinexapac-ethyl — the active ingredient in Primo Maxx — decrease putting greens’ nitrogen requirements without compromising turf quality?
Improving soil, establishing turfgrass with biosolids fertilizers January 2020 Researchers compared the effectiveness of a synthetic fertilizer and four biosolids products, made from nutrient-rich organic materials that result from the treatment of wastewater.
Verdure: So, how late is too late? November 2019 A review of the literature on fall-applied nitrogen presents helpful insights on this common practice for cool-season turf managers, from suitable rate to environmental fate.
MLSN: A better approach to turf nutrition October 2019 Minimum Levels for Sustainable Nutrition are a set of fertilization guidelines tailored to turf, which is judged for its quality, not its yield.
Soil solubility of iron fertilizers August 2019 Turf’s different responses to granular versus foliar applications of the same iron source prompted researchers to evaluate the soil solubility of 10 common iron fertilizers on 11 soils.
Verdure: It’s all in the delivery May 2019 Granular vs. foliar fertilizers — researchers tested them alone and in combination to determine their effects on turfgrass quality and soil nutrient levels.
Fertilization, irrigation strategies reduce emissions, conserve water December 2018 Use of controlled-release fertilizers and improved irrigation techniques may produce better visual turf quality while reducing nitrous oxide emissions.
Verdure: ‘You can’ doesn’t mean ‘you should’ November 2018 Hoping to hasten putting green establishment by applying more fertilizer? Consider this research first.
Should I use this product on my turf? October 1993 Ask these eight questions when evaluating a soil amendment or other turf product to help you make sound, fact-guided agronomic decisions.