Hedgerow intercropping, often called alley cropping, is a much-researched agroforestry technology in the tropics. Several tree/shrub species have been tried as hedgerow species with different agricultural crops in a number of locations. The picture shows an alley cropping experiment with Leucaena leucocephala, pruned close to the ground, as the hedgerow species and maize (Zea mays) as the crop, in Kenya.

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