Michigan Energy Conservation Program. Fertilizer Management Team & Michigan State University. Department of Crop and Soil Science. (1990). 1990 soil fertility research and demonstration trials. Crop and Soil Sciences, Michigan State University.
Chicago Style (17th ed.) CitationMichigan Energy Conservation Program. Fertilizer Management Team and Michigan State University. Department of Crop and Soil Science. 1990 Soil Fertility Research and Demonstration Trials. [East Lansing, Mich.]: Crop and Soil Sciences, Michigan State University, 1990.
MLA (9th ed.) CitationMichigan Energy Conservation Program. Fertilizer Management Team and Michigan State University. Department of Crop and Soil Science. 1990 Soil Fertility Research and Demonstration Trials. Crop and Soil Sciences, Michigan State University, 1990.