TY - BOOK AU - Jayashankar,M. ED - Centre for Indian Knowledge Systems, Chennai. TI - Soil conservation in organic farming: handbook U1 - 631.874 22 PY - 2002/// CY - Chennai PB - Centre for Indian Knowledge Systems KW - Organic fertilizers KW - Green manure crops KW - Green manuring KW - Biofertililzers N1 - Includes bibliographical references; 'List of common and scientific names of plants' : p.30; V.1. Green manure, green leaf manure, biofertilisers ER -