@ARTICLE {DUGJE:2006, title = {Infestation of crop fields by Striga species in the savanna zones of northeast Nigeria}, author = {Dugje, I. * and Kamara, A. and Omoigui, L. }, journal = {Agriculture, Ecosystems and Environment}, year = {2006}, volume = {116}, number = {3-4}, pages = {251--254}, issn = {0167-8809}, }