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Keith D Johnson

Professor of Agronomy

Department: Agronomy
Phone: 765.494.4800
Fax: 765.496.2926
Office: Lilly 3-450 C
E-mail: johnsonk@purdue.edu
Personal Web Page

Area of Expertise: Forages

 

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

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, 

Education:

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

Date joined staff: May 1981

 

 

- Recent Publications

Ogden, C. A., K. E. Ileleji, K. D. Johnson, & Q. Wang (2010). In-field direct combustioncfuel proeprty changes of switchgrass harvested from summer to fall. Fuelk Processing Technology, 91, 266-271. http://www.elsevier.com/locate/fuproc

Vogler, R. K., T. T. Tesso, K. D. Johnson, & G. Ejeta (2009). The effect of allelic variation on forage quality of brown midrib sorghum mutants with reduced caffeic acid O-methyl transferase activity. African J. Biochem. Res., 3, 70-76. http://www.academicjournals.org/AJBR

Berg, W. K., S. M. Cunningham, S. M. Brouder, B. C. Joern, K. D. Johnson, & J. J. Volenec (2009). Influence of phosphorus and potassium on alfalfa yield, taproot N and C pools, and transcript levels of key genes after defoliation. Crop Science, 49, 974-982. http://crop.scijournals.org/

Lissbrandt, S., J. Volenec, S. Brouder, B. Joern, S. Cunningham, & K. D. Johnson (2009). Phosphorus and potasssium fertilization of alfalfa. http://www.ces.purdue.edu/extmedia/AY/AY-331-W.pdf

 

+ Patents

 

- Awards & Honors

Award of Excellence 2-19th Agribusiness Development Team (2009). Indiana National Guard.

 

+ News Releases