@ARTICLE {CHIKOYE:2006, title = {Farmers' perceptions of the speargrass (Imperata cylindrica) problem and its control in the lowland sub-humid savannah of Nigeria}, author = {Chikoye, D. and Ellis-Jones, J. and Tarawali, G. and Kormawa, P. and Nielsen, O. and Ibana, S. and Avav, T. }, journal = {Journal of Food, Agriculture and Environment}, year = {2006}, volume = {4}, number = {3 & 4}, pages = {118--126}, }