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    Water and crop biomass dynamics in a Cassia siamea Lam. and Zea mays L. alley cropping system

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    KanjaF1994m-1b.pdf (5.861Mb)

    Date

    1994

    Author

    Kanja, Francis Muriu

    Degree

    Master of Science

    Discipline

    Forestry and the Forest Environment

    Subject

    Agroforestry
    Hedgerow intercropping
    Cassia siamea

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    Abstract

    Alley cropping is a crop production system in which food crops are grown in the alleys created by hedgerows of selected tree species, preferably legumes. The objective of this study was to model a Cassia /maize alley cropping system in the semi-arid district of Machakos in Kenya. The modelling was done with respect to the system's ground water dynamics as it affects its biomass production. First the dynamics of water in a bare soil was modelled, and then Cassia and maize were introduced separately and their biomass production modelled with respect to water. Finally, a combined Cass/a/maize/ground water model was build and analysed. The model suggests that water is a critical factor in the biomass production of Cassia and maize. The main achievement of this project has been to provide a starting point for a framework in which empirical research results can be integrated and interpreted in a more holistic manner.

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    http://knowledgecommons.lakeheadu.ca/handle/2453/1587

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