Food and Agriculture Organization of the United Nations. Statistics Division   <br/><br/>
Statistics of crop responses to fertilizers  (Book) 

 - Rome  FAO  1966 
 - 112 p.  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizers--Economic aspects Fertilizers--Mathematical models
<br/><br/><label>Universal Decimal Class. No.: </label>631.8 : 631.559.31 FOO  / 7303