Singh, S. S. <br/><br/>
Principles and practice of agronomy 

 - New Delhi  Kalyani  1985 
 - xii,200p. 
<br/><br/><label>ISBN: </label> RS 25.00 
<br/><br/><label>Source: </label> RS 25.00 
<br/><br/><label>Dewey Class. No.: </label>630 SIN