Fertilizers and Their Use 

 - Italy:  Food and agricultural org,  1978 
 - x,51p.;  15cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Techniques, equipment & materials<br/>Karunasinha Collection
<br/><br/><label>Dewey Class. No.: </label>631.8  / FER