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

Johnson, K. D., & And numerous contributors (2012). Midwest Cover Crops Field Guide.

Lemenager, R. P., Jones, D. D., Buckmaster, D. R., Field, W. E., Glanville, T., Horstman, L., . . . Williams, R. E. (2011). Forage Management. In Cow-Calf Production in the U.S. Corn Belt (Vol. First Edition, pp. 97-108). Ames, IA: Iowa State University/MidWest Plan Service.

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

Bledsoe, L., Buckmaster, D., Creswell, T., Johnson, K. D., Johnson, W., Lemenager, R., . . . Wise, K. (2010). Purdue Forage Field Guide.

Vogler, R. K., Tesso, T. T., Johnson, K. D., & Ejeta, G. (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. Retrieved from http://www.academicjournals.org/AJBR

Berg, W. K., Cunningham, S. M., Brouder, S. M., Joern, B. C., Johnson, K. D., & Volenec, J. J. (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. Retrieved from http://crop.scijournals.org/

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