Efficient use of fertilizers in agriculture.
- The Hague : Martinus Nijhoff/Dr. W. Junk for the United Nations, 1983.
- vi, 352 p. : ill.
- Developments in plant and soil sciences ; v. 10 .
English and French. "Proceedings of the Symposium on Research into Agro-technical Methods Aiming at Increasing the Productivity of Crops--Co-efficients for the Most Efficient Use of Fertilizer Nutrients and Means for Reducing the Losses of Nutrients to the Environment under the conditions of Intensive Agriculture; organized by the Agriculture Section of the United Nations Economic Commission for Europe; held at Geneva, Switzerland, 17-21 January 1983." "United Nations Economic Commission for Europe."
9024728665
Fertilizers.
Crops--Nutrition.
Crop yields.
S631.3 / .S96 1983
631.8/1�19
English and French. "Proceedings of the Symposium on Research into Agro-technical Methods Aiming at Increasing the Productivity of Crops--Co-efficients for the Most Efficient Use of Fertilizer Nutrients and Means for Reducing the Losses of Nutrients to the Environment under the conditions of Intensive Agriculture; organized by the Agriculture Section of the United Nations Economic Commission for Europe; held at Geneva, Switzerland, 17-21 January 1983." "United Nations Economic Commission for Europe."
9024728665
Fertilizers.
Crops--Nutrition.
Crop yields.
S631.3 / .S96 1983
631.8/1�19