Horticulture Faculty

Doug Karcher

Doug Karcher


(DREX)-Director Experiment Station


Phone: 479-718-2996

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Dr. Douglas Karcher is a Turfgrass Soil Specialist and Professor in the Department of Horticulture, University of Arkansas. He received a B.S. Degree from The Ohio State University, and Master's and Ph.D. degrees from Michigan State University. In addition, he has several years of experience in golf course maintenance and residential turf installation and maintenance.  Dr. Karcher instructs several courses as part of the Turf Management curriculum within the Horticulture, Landscape, and Turfgrass Science major at the University of Arkansas.  His research program has focused on improving turfgrass quality through innovative cultural practices while minimizing environmental impacts.  He has authored/coauthored over 50 peer-reviewed papers and 130 articles resulting from his research program. Dr. Karcher is a founding board member of the European Institute for Turfgrass Science, an organization dedicated to providing research-based recommendations to the European Turfgrass Industry.  In addition, Dr. Karcher developed and has co-instructed a seminar titled, "Gadgets and Gizmos" for the GCSAA Education Conference.  This full day seminar is constantly evolving to include the latest technology available to superintendents to help diagnose and communicate their management problems. 

  • Quantify the precise light requirement (daily photosynthetic radiation) for various turf types, and the effects of morning vs. afternoon shade on golf course putting greens. 
  • Reduce irrigation water inputs while maintaining acceptable turfgrass quality through the use of irrigation technology such as rain sensors and soil moisture sensors.  Determine the return-on-investment of such technology based on seasonal water savings.
  • Improve the moisture retention, moisture uniformity, and resistance to water repellent conditions through the use of soil surfactants on sand-based, turfgrass rootzones.

B.S. in Agronomy from The Ohio State University

M.S. and Ph.D. in Crop and Soil Sciences from Michigan State University