Gupta, U S, Ed. <br/><br/>
Physiological aspects of crop nutrition and resistance 

 -  Atma Ram & Sons, Delhi  1977 
 - 384 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crops & their production
<br/><br/><label>Dewey Class. No.: </label>PG 631  GUP-P