Ishwaran V <br/><br/>
Physio-chemical factors of soil fertility in relation to nitrogen fixation by tropical (Indian) soils 

 -  1956 
<br/><br/><label>Standard No.: </label>4704 
<br/><br/><label>Source: </label> Theses 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CHEMISTRY