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close this bookSpecial Public Works Programmes - SPWP - Planting Trees - An Illustrated Technical Guide and Training Manual (ILO - UNDP, 1993, 190 p.)
close this folder7. Planting trees outside woodlots and forests
View the document(introduction...)
View the document7.1 Trees in crop and grazing land
View the document7.2 Alley cropping
View the document7.3 Intercropping in rotation
View the document7.4 Intercropping for tree planting
View the document7.5 Shelterbelts
View the document7.6 Road-sides and river-sides
View the document7.7 Homesteads and public places

7.2 Alley cropping

When field crops are planted in alleys between hedgerows of trees and shrubs it is called alley cropping. The hedgerows provide fodder, green manure and mulch material. This is rather labour intensive since they have to be kept pruned throughout the cropping season to control shading and competition. Trees for alley cropping should fix nitrogen, coppice very easily after trimming and have leaves that are preferred by livestock or that decompose easily when applied as mulch. On dry sites competition for water may be so strong that alley cropping damages the crop. It should therefore not be practised on such sites.