Results of alley cropping experiments with Leucaena leucocephala at the Kenya coast: an example of an appropriate soil conservation (fertility) measure

Alley cropping is a system where arable crops are grown in the interspaces (alleys) between rows of planted trees or woody shrubs which are pruned regularly to prevent shading and to provide manure and mulch to the crop. Alley cropping spacing trials were designed at Mtwapa Agroforestry/Energy Centre to establish trends in crop and tree performance under various planting arrangements and densities. Also giving of information on which tree species, which spacings of the trees, and which management practices to use to give maximum economic benefits. The results show that alley cropping with leucaena leads to reduced nutrient loss and is a soil conservation measure

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