Maximizing the efficiency of fertilizer use by grain crops / 
Fertilizer and Plant Nutrition Service and Joint FAO/IACA Division of Isotopes and Radiation Applications of Atomic Energy for Food and Agriculture Development 
 - Rome :  FAO,  1980 
 - [vii], 29 p. :  ill. ;  28 cm. 
 - FAO fertilizer bulletin ;  3 .
<br/><br/>Bibliography: p. 29 
<br/><br/><label>ISBN: </label>9251009546 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Grain--Fertilizers<br/>Crops<br/>Fertilizers<br/>Agricultural chemicals<br/>Soil fertility<br/>Soil conditioners
<br/><br/><label>Dewey Class. No.: </label>631.81