Fertilizers, crop quality and economy: proceedings of a Study Week on the Use of Fertilizers and their Effect on Crop Growth, with Emphasis on Quality and Economy, April 10th-16th, 1972 

 - Amsterdam  Elsevier Scientific Publishing Company  1974 
 - li, 1415 p. 
 - Pontificiae Academiae Scientiarum scripta varia, no.38 .
<br/><br/><label>ISBN: </label>0444412778  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizers and manures - Congresses
<br/><br/><label>Dewey Class. No.: </label>631.8