TY - CONF AV - public A1 - Sivakumar, M V K A1 - Renard, C A1 - Klaij, M C A1 - Ntare, B R A1 - Fussel, L K A1 - Bationo, A TI - Natural Resources Management For Sustainable Agriculture In The Sudano-Sahelian Zone UR - http://oar.icrisat.org/4634/ T2 - Sustainable agriculture : issues, perspectives and prospects in semi arid tropics : proceedings of the international symposium on natural resources management for a sustainable agriculture SP - 129 Y1 - 1990/// ID - icrisat4634 EP - 162 M2 - New Delhi, India ER -