Agronomy in a changing world and research needs for the seventies Tucson, A., American Society of Agronomy., Crop Science Society of America., Soil Science Society of America., Agronomic Industry Committee., Allen Black, C., . . . McCaffry, T. (1971). Symposium. Wisconsin, Estados Unidos: American Society of Agronomy ; Crop Science Society of America ; Soil Science Society of America.
Chicago Style CitationAgronomy in a changing world and research needs for the seventies Tucson, Arizona, et al. Symposium. Wisconsin, Estados Unidos: American Society of Agronomy ; Crop Science Society of America ; Soil Science Society of America, 1971.
MLA CitationAgronomy in a changing world and research needs for the seventies Tucson, Arizona, et al. Symposium. Wisconsin, Estados Unidos: American Society of Agronomy ; Crop Science Society of America ; Soil Science Society of America, 1971.