Advances in agronomy  

 - New York:   Academic Press,   1961 
 - xi, 386p. 
<br/><br/> Vol. 13 (American society of agronomy): xi; 386p.<br/>Vol. 14 (American society of agronomy): xi; 432p.<br/>Vol. 15 (American society of agronomy): xi; 415p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Subjects--Index Terms: </label>Rainfall erosion Fertilizers 
<br/><br/><label>Universal Decimal Class. No.: </label>631(05)   / K2.13