Isotopes & radiations in agriculture & envirnment research  
/Indian society for nuclear techniques in agriculture and biology 
 - New Delhi:   ISNA,   1996 
 - 330p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Subjects--Index Terms: </label>Root system Crop productivity 
<br/><br/><label>Universal Decimal Class. No.: </label>631:546.79   / N6