Planting of trees, shrubs or grasses (...
- Planting of trees, shrubs or grasses (preferably nitrogen fixing) closely in paired rows along the contour
- Alleys between the paired hedges is used for growing food or cash crops.
- Epil epil, kimbu, tanki
- Napier, femingia, molasses
Functions of hedge rows
- Reduces runoff velocity
- Reinforces the slope, forms bio-terraces
- Catches the soil materials and creates effective barrier to soil erosion
- Conserves soil moisture
Design
- Plant spacing within rows: less than 20cm
- Rows spacing: 30-60cm
- Width of alleys: 4-6m (varies with slope steepness)
Species selection for hedgerows
- Compatible with agricultural crops
- Suitable to local site conditions
- Fast growing, deep rooted
- Nitrogen fixing
- Resistant to regular trimming
- Less shading effects to agricultural crops
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