Efficient use of fertilizers in agriculture - 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 (1983 : Geneva, Switzerland); United Nations. Economic Commission for Europe. Agriculture Section; United Nations. Economic Commission for Europe (Boston : Martinus Nijhoff/Dr. W. Junk for the United Nations, 1983)
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."
Includes bibliographies.
Keywords: Fertilizers -- Congresses; Crops -- Nutrition -- Congresses; Crop yields -- Congresses