Kanwar, J.S. <br/><br/>
SOIL fertility theory and practice / 
edited by J.S.Kanwar 
 - New Delhi  Indian Council of Agricultural research.  1976 
 - xi, 533 p. 
<br/><br/> Includes index 
<br/><br/><label>Dewey Class. No.: </label>631.45  / KAN