@ARTICLE {TARFA:2006, title = {Influence of cereal-legume rotation on soil chemical properties, crop yield and Striga control}, author = {Tarfa, B. * and Kureh, I. * and Kamara, A. and Maigida, D. }, journal = {Journal of Agronomy}, year = {2006}, volume = {5}, number = {2}, pages = {362--368}, }