Keith D. Johnson Professor Area: Forages Mailing Address: Department of Agronomy Lilly Hall of Life Sciences 915 W. State Street Purdue University West Lafayette, Indiana 47907-2054 < Faculty Listing             < Faculty by Expertise

Contact Information:

Extension:
Provide leadership to forage-related activities (e.g. statewide winter seminar and summer field day)
Team member of Beef Integrated Resource Management program
Secretary-Treasurer of Indiana Forage Council
Consult with public about forage concerns
Advisory role to research agronomist in charge of forage performance trials

Research Areas:
Efficient use of resources for the production of livestock products without adverse effects to the environment
Enhancement of ruminant livestock production through evaluation of forages for late autumn, early winter
 and early spring grazing
Integrating livestock, forage, and fine hardwood production: an agroforestry alternative for sustaining farm
 productivity
Economic and performance analysis of alternative grazing and pasture renovation systems

Most Significant Publications:
Sulc, R. Mark, Edzard van Santen, Keith D. Johnson, Craig C. Sheaffer, Daniel J. Undersander, Larry W. Bledsoe, David B. Hogg and Harold R. Willson.  2001.  Glandular-haired cultivars reduce potato leafhopper damage in alfalfa.  Agron J., 93:1287-1296.

Hopkins, Andrew A., K.P Vogel, K.J. Moore, K.D Johnson and I.T. Carlson.  1995.  Genotype effects and genotype by environment interactions for traits of elite switchgrass strains .  Crop Sci., 35:125-132.

Hopkins, Andrew A., K.P Vogel, K.J. Moore, K.D Johnson and I.T. Carlson.  1995.  Genotypic variability and genotype x environment interactions among switchgrass accessions from the midwestern USA.  Crop Sci., 35: 565-571.

Teaching: 
Guest lecture forage-related topics in approximately three classes a year

Professional Experience:
Professor, Dept. of Agronomy, Purdue University, 
Associate Professor, Dept. of Agronomy, Purdue University, 
Assistant Professor, Dept. of Agronomy, Purdue University, 

Awards and Honors (since 1995):
Sharvell Award Winner, presented to mid-career Purdue University Extension Specialist, 1995
Certificate of Excellence, Educational Materials Contest, American Society of Agronomy for Internet
   Web Sites, "Purdue Forage Information," 1998

Education:
B.S., University of Nebraska-Lincoln, 1976
M.S., Purdue University, 1979
Ph.D., Purdue University, 1981

Date joined staff:  May 1981

Last updated:  May, 2007