Advances in agronomy  

 - New York:   Academic Press,   1970 
 - xi, 462p. 
<br/><br/> Vol. 22 1970 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Subjects--Index Terms: </label>Pastures 
<br/><br/><label>Universal Decimal Class. No.: </label>631(05)