@INPROCEEDINGS {AJEIGBE:2012a, title = {Improving the productivities of cowpea-cereal systems in the savannas of West Africa through dissemination of improved varieties and cropping systems}, author = {Ajeigbe, H. and Singh, B. and Kamara, A. and Chikoye, D. and Adamu, R. S. * and Saidou, A. K. * and Adeosun, J. O. *}, editor = {Boukar, O. and Coulibaly, O. and Fatokun, C. and Lopez, K. and Tamo, M. }, booktitle = {Innovative research along the cowpea value chain: Proceedings of the fifth world cowpea conference on improving livelihoods in the cowpea value chain through advancement in science, held in Saly, Senegal, 27 September-1 October 2010}, year = {2012}, number = {978-978-8444-07-7}, pages = {217--230}, publisher = {IITA}, address = {Ibadan,Nigeria.}, }