@INBOOK {EMECHEBE:1997a,
title = {Technology options and research challenges to increase cowpea production under Striga and drought stress in semi-arid Africa},
author = {Emechebe, A. and Singh, B. },
editor = {Bezuneh, T. and Emechebe, A. and Sedgo, J. and Ouedraogo, M. },
year = {1997},
type = {Technology options for sustainable agricultural production in sub-Saharan Africa},
pages = {207--217},
publisher = {OAU/STRC-SAFGRAD},
address = {Ouagadougou, Burkina Faso},
note = {IITA Technologies},
}