Nitrogen assimilation and crop productivity  
/ Proceedings of National Symposium, Hissar, 5-7 October, 1976 
 - New Delhi:   Associated Publishing Company,   1978 
 - xiii, 313p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture 
<br/><br/><label>Subjects--Index Terms: </label>Biochemistry  Growth  
<br/><br/><label>Universal Decimal Class. No.: </label>I 631.811.1.033(082.2)   / L8