Research

How turfgrasses use urea-nitrogen

February 12, 2014 By Joelle Harms

By Richard J. Hull, Ph.D., Haibo Liu, Ph.D. and N. Menchyk, Ph.D. Nitrogen (N) is the most abundant mineral element in turfgrasses, comprising three to five percent of leaf dry weight. Consequently, N is the fertilizer nutrient applied to turf ...

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Spring triggers growing degree-days in turf

February 12, 2014 By Karl Danneberger, Ph.D.

With the arrival of spring, the warmth of the sun is most evident. As temperatures increase, plants and living organisms begin to grow and develop. Temperature is the driving force for all biological activity. One method of using temperature to ...

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Will my putting green turf survive winter?

February 12, 2014 By Clark Throssell, Ph.D.

Jim Skorulski is a USGA Senior Agronomist in the Northeast Region. Jim has made over 2,000 Course Consultation Service visits in over 20 years of service with the USGA. Jim can be reached at jskorulski@usga.org. Q: What has this winter been ...

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The Golfdom Report: 2014

January 22, 2014 By Molly Gase and Seth Jones

From concerns over the Affordable Care Act to how the GCSAA is currently performing, Golfdom readers share their thoughts and feelings on the state of their profession. Things are looking up… but maybe wait a few more months before you ...

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Deficit irrigation and traffic impacts bermudagrass fairway performance

January 22, 2014 By Joelle Harms

By Reagan Hejl and Ben Wherley, Ph.D. Golf course water use in Texas has become increasingly regulated in the past decade due to persistent drought conditions, diminishing water supplies and rapidly growing population. Many golf courses have been faced with considerable ...

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BASF unveils Xzemplar and Lexicon Intrinsic