Jayashankar, M <br/><br/>
Soil conservation in organic farming :   handbook-1, green manure, green leaf manure, biofertilisers/ 
M Jayashankar 
 - Chennai :   Centre for Indian Knowledge Systems,   2002. 
 - [6],30 p. :   illustrations ;   22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Organic farming--Soil conservation.
<br/><br/><label>Dewey Class. No.: </label>631.584  / JAS 2002