Handbook of manures and fertilizers 

 - Rev .ed 
 - New Delhi   India Council of Agricultural Research India      1971 
 - 396p. Bib p. 367-66,Appendix p. 341-66  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil Industry
<br/><br/><label>Dewey Class. No.: </label>X9(J:24).2.N6, L1