@INPROCEEDINGS {EMECHEBE:2003a, title = {Farmer-participatory on-farm evaluation of Striga hermonthica management options in the Nigerian northern Guinea savanna pilot site of the SP-IPM}, author = {Emechebe, A. and James, B. and Atala, T. * and Kureh, I. * and Hussaini, M. A. * and Singh, B. and Menkir, A. and Voh, J. and Ado, S. and Alabi, S. *}, booktitle = {Paper presented at: 6th Biennial Conference of the African Crop Science Society; 12-17 October}, year = {2003}, location = {Nairobi, Kenya}, }