Reducing speargrass (Imperata cylindrica) with conservation agriculture involving farmers in research to reduce labor and herbicide use and to conserve yields

Nielsen, O., Manyong, V., Ellis-Jones, J., Streibig, J. & Chikoye, D. (2003). Reducing speargrass (Imperata cylindrica) with conservation agriculture involving farmers in research to reduce labor and herbicide use and to conserve yields. In paper presented at: 6th Biennial Conference of the African Crop Science Society, Nairobi, Kenya, 12-17 October