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Image By Freepik
Micro-Catchment Rainwater Harvesting
1. Strip catchment tillage 2. Contour or keyline barriers 3. Basin systems
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Strip catchment tillage
Micro-Catchment Rainwater Harvesting
Crop rows with interspersed grass optimize water use by directing rain to crops.
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Contour or keyline barriers
Micro-Catchment Rainwater Harvesting
Built perpendicular to slopes, these structures intercept rainfall, promote infiltration, and minimize soil erosion.
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Basin systems
Micro-Catchment Rainwater Harvesting
Diamond/square closed catchments with bunds channel water, creating ideal zones for cultivating food trees at a central low point.
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Macro-Catchment Rainwater Harvesting
1. Hillside systems 2. Stream-bed systems 3. Ephemeral stream diversion systems
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Macro-Catchment Rainwater Harvesting
Hillside system
Hillside systems guide downhill water to barriers, aiding crop irrigation and replenishing groundwater.
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Macro-Catchment Rainwater Harvesting
Stream-bed systems
Sand dams control erosion, aid infiltration, and regulate water flow in flooded channels from upstream to downstream.
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Macro-Catchment Rainwater Harvesting
Ephemeral stream diversion systems
Divert floodwater to lower areas, promoting ground seepage and ensuring crop moisture.