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

 - New Delhli  Kalyani Publishers, New Delhi  2015 
 - 348 
<br/><br/> Agriculture 
<br/><br/><label>ISBN: </label>9789327256376 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture