Stelly, M., & Wirtz, M. P. (1980). Moving up the yield curve: Advances and obstacles: proceedings of a symposium sponsored by Divisions S-4, S-8, and A-4 of the American Society of Agronomy and the Soil Science Society of America. Madison, Wis.: American Society of Agronomy: Soil Science Society of America.
Chicago Style CitationStelly, Matthias, and Mary P. Wirtz. Moving Up the Yield Curve: Advances and Obstacles: Proceedings of a Symposium Sponsored By Divisions S-4, S-8, and A-4 of the American Society of Agronomy and the Soil Science Society of America. Madison, Wis.: American Society of Agronomy: Soil Science Society of America, 1980.
MLA CitationStelly, Matthias, and Mary P. Wirtz. Moving Up the Yield Curve: Advances and Obstacles: Proceedings of a Symposium Sponsored By Divisions S-4, S-8, and A-4 of the American Society of Agronomy and the Soil Science Society of America. Madison, Wis.: American Society of Agronomy: Soil Science Society of America, 1980.