Proceedings of the third International Symposium on Maximum Yield Research
Proceedings of the third International Symposium on Maximum Yield Research September 6-8, 1992, Beijing China. - Beijing China Agricultural Scientech Press 1992. - 272 p. 26 cm.
"Sponsored by Canadian International Development Agency, Western Diversification Program, Canada, Canpotex, Limited, Potash and Phosphate Institute, Potash and Phosphate Institute of Canada."
Crop yields
Research
631.557(072)(063) / I61P