Rainfall and crop yields in seasonally arid West Africa |
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| Authors: | MD Dennett J Elston CB Speed |
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| Institution: | 1. Department of Agricultural Botany, University of Reading, RG6 2AS, England;2. Department of Plant Sciences, University of Leeds, LS2 9JT, England |
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| Abstract: | The effects of variation in rainfall on yields of millet, sorghum, groundnuts and rice in seasonally arid West Africa were examined by multiple regression. Satisfactory relationships were established for some countries but not for others. Yields were usually positively related to total rainfall, or to rainfall in specific months, but in some cases were negatively related to August rainfall. |
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