Food and Agrigulture Organization,  . <br/><br/>
FAO Fertilizer and Plant Nutrition Bulletin 2: Crop production levels and fertilizer use /  

 -  Food and Agriculture Organizations . 
 - ix, 69p ;  
<br/><br/><label>ISBN: </label>92-5-101099-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture <Crop> <Fertilizer>
<br/><br/><label>Dewey Class. No.: </label>J:5(G:71)  / M1