Required Textbooks:

Midwest Plan Service. 2004. Livestock and Poultry Environmental Stewardship Curriculum. Midwest Plan Service. Iowa State University, Ames. Hardcopy - $55; CD - $25. MidWest Plan Service, 122 Davidson Hall.

Voisen, A. 1959. Grass productivity. Philosophical Library, Inc, NY. Translated from the French by C.T.M Herriot. Island Press Edition 1988, Covelo, CA

Recommended Textbook:

Cavigelli, M.A., S.R. Deming, L.K. Probyn and R.R. Harwood (ed.). 2000. Michigan field crop ecology: managing biological processes for productivity and environmental quality. Michigan State University Extension Bulletin E-2646, pp. 1-86.

Gliessman, S.R. 2006. Agroecology: the ecology of sustainable food systems. 2^nd ed. CRC Press .