@ARTICLE {CHIKOYE:2008,
title = {Legume-maize rotation and nitrogen effects on weed performance in the humid and subhumid tropics of West Africa},
author = {Chikoye, D. and Ekeleme, F. and Fontem Lum, A. and Schulz, S. },
journal = {Crop Protection},
year = {2008},
volume = {27},
pages = {638--647},
}