Reddy, & Reddi <br/><br/>
Principles of Agronomy 

 - 2nd 
 - Ludhiyana  Kalyani Publication New Delhi  1997 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>principles
<br/><br/><label>Dewey Class. No.: </label>631  / RED