Ray chaudhuri S P <br/><br/>
Use of nutrients in agriculture and economics of h 
Ray chaudhuri S P 
 - New Delhi   Economic And Scientific Research Foundation India      1976 
 - 96p.  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industy
<br/><br/><label>Dewey Class. No.: </label>X9(J).2.N7, L6