Author Archive
About Karl Danneberger, Ph.D.
Karl Danneberger, Ph.D., is a professor in the department of horticulture and crop science at The Ohio State University. He is author of the popular The Turf Doc column that appears monthly in Golfdom. Karl writes on topics ranging from Poa annua to pest control.
Posts by Karl Danneberger, Ph.D.
Walking across my lawn in May, I feel bumpiness under my feet. Although not visually apparent, I know bumpy turf is a sign of earthworm casts. Helping verify my diagnosis Read more»
The arrival of spring’s warm, sunny days awakens turfgrasses from their dormant winter state. Brownish turf is replaced by dark green, which announces the rejuvenation of life on a golf Read more»
Finally, the first day of spring. It’s still cool, but it’s sunny, and the snow is finally gone. After five months of storage, I lift the garage door, revealing my Read more»
My campus colleagues tell me that if it’s been dry, it’s going to get drier, if it’s been wet, it’s going to get wetter. Facing us in the new year Read more»
The golf course management business is a global endeavor. I have been fortunate over the last 30 years to be part of it, traveling to places throughout Europe, Asia, the Read more»
I have traveled to Portugal numerous times to attend and speak at conferences and to play golf. Portugal is one of my favorite countries. It’s a relatively small country, with Read more»