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Intercropping Sorghum with Cowpea in Dryland Farming Systems in Botswana. I. Field Experiments and Relative Advantages of Intercropping
Published online by Cambridge University Press: 03 October 2008
Summary
The intercropping objective of the subsistence fanner in Botswana was identified as a need to secure some cowpea production without reducing the yield of the staple crop, sorghum. Field experiments in which sorghum and cowpea were intercropped in several different environments over three years met this objective on most occasions, but cowpea yields were low compared with their sole crop performance. Although intercropping out-performed monocropping by producing some cowpea yield, land equivalent ratios greater than one and higher gross income and cash returns to draught-power (but not returns to labour) the differences were never large and seldom statistically significant.
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- Copyright © Cambridge University Press 1987
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