Biological nitrogen fixation associated with rice production 

 - New Delhi:  Oxford & IBH Publishing CO. PVT. LTD.,   1991 
 - xiii, 448p. 
<br/><br/><label>ISBN: </label>8120405609 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Subjects--Index Terms: </label>Biology of root Isotopic studies 
<br/><br/><label>Universal Decimal Class. No.: </label>631.461.5(082.2)   / N1