TY  - BOOK
ED  - 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
ED  - United Nations.
ED  - United Nations.
TI  - Efficient use of fertilizers in agriculture
SN  - 9024728665
AV  - S631.3 .S96 1983
U1  - 631.8/1�19 
PY  - 1983///
CY  - The Hague
PB  - Martinus Nijhoff/Dr. W. Junk for the United Nations
KW  - Fertilizers
KW  - Crops
KW  - Nutrition
KW  - Crop yields
N1  - 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."
ER  -