Soil fertility management in semi-arid India: it's role in agricultural systems and the livelihoods of poor people A synthesis review of field experiences, literature, and policies B Adolph and JA Butterworth with contributions from PV Satheesh, Suresh Reddy, GNS Reddy, V Karoshi, M Indira, the fieldwork teams of DDS and BAIF, and farmers from Medak District (Andhra Pradesh) and Tumkur District (Karnataka) Second draft, January 2002 Natural Resources Institute, Chatham, UK Deccan Development Society, Andhra Pradesh BAIF Institute of Rural Development, Karnataka