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.

Do the math: Tank mix combinations Posted on 22 Jul 2015 in the Columns & Research categories.

Maintaining high-quality golf course turf during the growing season requires considerable inputs. We add nutrients to promote an ideal growth rate and maintain a healthy turf. We apply synthetic or Read more»

An eye on golf maintenance in Egypt Posted on 12 Jun 2015 in the Columns categories.

In a March 2011 column in this magazine I wrote about the Arab Spring. Feb. 11, 2011, resonated with many Egyptian students here at The Ohio State University, as well Read more»

Hanging out with crabgrass: More than a weed Posted on 18 May 2015 in the Columns categories.

Crabgrass is a ubiquitous weed of turf. Germination starts in January or February in the southern United States and it appears throughout the northern areas in spring as temperatures warm. Read more»

Words and numbers: The importance of Stimpmeter readings and putting green speeds Posted on 09 Apr 2015 in the Columns & Research categories.

In a 1937 issue of Golfdom, Edward (Eddie) Stimpson wrote an article introducing the “Stimpmeter.” An editorial note appeared just prior to the article that was somewhat dismissive of the Read more»

Gimme some water: California drought far from over Posted on 18 Mar 2015 in the Columns & Research categories.

As Eddie Money once sang, “Gimme some water.” Water is the world’s most precious resource. I hear that statement or versions of it made all the time, and I believe Read more»

Trials and tribulations of golf Posted on 18 Feb 2015 in the Columns categories.

Here at The Ohio State University I can see firsthand how deep passion and loyalty can run among our football fans… especially this year! It does not, however, compare to Read more»