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 .
<br/><br/> 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." 
<br/><br/><label>ISBN: </label>9024728665 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizers.<br/>Crops--Nutrition.<br/>Crop yields.
<br/><br/><label>LC Class. No.: </label>S631.3  / .S96 1983 
<br/><br/><label>Dewey Class. No.: </label>631.8/1�19