@ARTICLE {OLAYIDE:2009a, title = {Manure marketing in the savannas of Nigeria: implications for sustainable food security}, author = {Olayide, O. * and Alene, A. and Ikpi, A. * and Nziguheba, G. }, journal = {Journal of Food, Agriculture and Environment}, year = {2009}, volume = {7}, number = {2}, pages = {540--545}, issn = {1459-0255}, }