@ARTICLE {CARDWELL:1995, title = {Effect of soils, cropping system and host phenotype on incidence and severity of Striga gesnerioides on cowpea in West Africa}, author = {Cardwell, K. and Lane, J. A. }, journal = {Agriculture, Ecosystems and Environment}, year = {1995}, volume = {53}, number = {3}, pages = {253--262}, issn = {0167-8809}, }