Status and methods of research in economic and agronomic aspects of fertilizer response and use 

 - Washington :  NAS,  1961 
 - 89 p. 
 - NAS. Publication  ; 918 .
 - NAS. Publication  ; 918 .
<br/><br/><label>LCCN: </label>30266 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Abonos.<br/>Fertilizantes--Experimentación.
<br/><br/><label>Dewey Class. No.: </label>631.88  / N38