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Johnson, D. E. and Kent, Rebecca (2002) 'The impact of cropping on weed species composition in rice after fallow across a hydrological gradient.' Weed Research, 42 (2). pp. 89-99.
Kent, Rebecca and Johnson, D. E. (2001) 'Influence of flood depth and duration on growth of lowland rice weeds, Cote d’Ivoire.' Crop Protection, 20 (8). pp. 691-694.
Kent, Rebecca, Johnson, D. E. and Becker, M (2001) 'The influence of cropping system on weed communities of rice in Cote d’Ivoire, West Africa.' Agriculture Ecosystems and Environment, 87 (3). pp. 299-307.