Singh, S. S. <br/><br/>
Principles and practices of agronomy 
S. S. Singh & Rajesh Singh 
 - New Delhi  Kalyani publishers  1988 
 - 348p.:  illus.; 
<br/><br/><label>ISBN: </label>9789327215694 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agronomy
<br/><br/><label>LC Class. No.: </label>S 495   / .S56 1988