S.S. Singh <br/><br/>
Principles and Practices of Agronomy 

 - New Delhi  Kalyani Publishers  1991 
 - 302p 
<br/><br/>S.S. Singh: Principles and Practices of Agronomy.  New Delhi.  Kalyani Publishers, 1991. 81-7096-449-0--(630SIN)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>81-7096-449-0 
<br/><br/><label>Dewey Class. No.: </label>630  / SIN