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

 - London :  Hill for Food and Agriculture Organization ,  191952 
 - x, 158 p. :  ill., maps ;  23 cm. 
 - FAO agricultural studies ;  no. 9 .
<br/><br/> "For further readings" at the end of most of the chapters. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizers (and manures).