@INPROCEEDINGS {CHIKOYE:2002, title = {Postemergence speargrass (Imperata cylindrica) control using nicosulfuron in four maize cultivars in Nigeria}, author = {Fontem Lum, A. and Adesiyan, S. }, booktitle = {Proceedings}, year = {2002}, location = {Durban, South Africa}, note = {Paper presented at: Southern Africa Weed Science Society Conference, 12-21 June}, }