Author Archive

About Clark Throssell, Ph.D.

Clark Throssell, Ph.D., is the former director of the Purdue University turf program as well as the former director of research for GCSAA. Throssell is the research editor for Golfdom, focusing on managing the Super Science section of the magazine and website. He also contributes his "Clark Talks Turf" column to Golfdom every month.

Posts by Clark Throssell, Ph.D.

Clark Talks Turf: Photosynthesis and respiration Posted on 15 Aug 2018 in the Columns categories.

Jack Fry, Ph.D., is a turfgrass scientist at Kansas State University. Jack conducts research on water use, physiology and zoysiagrass cultivar development and teaches students and turf professionals. You may Read more»

Clark Talks Turf: Nitrogen mineralization Posted on 18 Jul 2018 in the Columns categories.

Kevin Frank, Ph.D., is a turfgrass scientist at Michigan State University. He conducts research on soil fertility, turf nutrition and soil physical and chemical processes in addition to publishing and Read more»

Clark Talks Turf: Stop the swatting Posted on 06 Jun 2018 in the Columns categories.

Timothy Gibb, Ph.D., is an entomologist at Purdue University. He has worked on numerous insect problems throughout his career, including turfgrass pests and insects that affect human health. You may Read more»

Clark Talks Turf: What spectral reflectance data tells us Posted on 15 May 2018 in the Columns categories.

Josh Friell, Ph.D., is a senior principal research scientist at Toro’s Center for Advanced Turf Technology. Josh devotes his time to advancing the acquisition of soil and plant data and Read more»

A conversation with Brian Whitlark, USGA Posted on 04 May 2018 in the Featured & Maintenance categories.

Brian Whitlark knows his soils. A certified professional soil scientist, Whitlark joined the USGA Green Section staff as an agronomist for the West Region. Specializing in courses that face challenging Read more»

Invisible intruders Posted on 26 Mar 2018 in the Research categories.

In the summer of 2015, Mark Newton, CGCS at Canyon Farms Golf Club in Lenexa, Kan., was worried he might lose his job. He and his two assistant superintendents were Read more»