Moving off the yield plateau : papers presented at a symposium Tucson, A., Soil Science Society of America, D. S., American Society of Agronomy, D. A., Eastin, J. D., Munson, R. D., Stelly, M., . . . Wilson, B. B. (1971). Proceedings of a symposium (1 edición.). Wisconsin, Estados Unidos: American Society of Agronomy ; Crop Science Society of America ; Soil Science Society of America.

Moving off the yield plateau : papers presented at a symposium Tucson, Arizona, Divisions S-8 Soil Science Society of America, Division A-4 American Society of Agronomy, Jerry D. Eastin, Robert D. Munson, Matthias Stelly, Richard C. Dinauer, and Barbara B. Wilson. Proceedings of a Symposium. 1 edición. Wisconsin, Estados Unidos: American Society of Agronomy ; Crop Science Society of America ; Soil Science Society of America, 1971.

Moving off the yield plateau : papers presented at a symposium Tucson, Arizona, et al. Proceedings of a Symposium. 1 edición. Wisconsin, Estados Unidos: American Society of Agronomy ; Crop Science Society of America ; Soil Science Society of America, 1971.