P. Balasubramaniyan <br/><br/>
Principles and Practices of Agronomy 

 - Jodhpur  Agrobios ( India )  2003 
 - 585p 
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>81-7754-052-1 
<br/><br/><label>Dewey Class. No.: </label>630  / BAL