Ignatieff, Vladimir, <br/><br/>
Efficient use of fertilizers. 

 - Washington,  Food and Agriculture Organization of the United Nations,  1949. 
 - x, 182 p.  illus., maps.  23 cm. 
 - FAO agricultural studies,  no. 9 .
 - FAO agricultural studies ;  no. 9. .
<br/><br/>"For further reading" at end of most of the chapters. 
<br/><br/><label>LCCN: </label>agr49000109  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizers.
<br/><br/><label>LC Class. No.: </label>S633  / .I3 
<br/><br/><label>Dewey Class. No.: </label>631.816