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Water Portal / Rainwater Harvesting / Groundwater recharge / Contour trenches

82 bytes added, 23:36, 28 March 2012

→‎Suitable conditions

- Improves agricultural productivity and grazing potential as well as increases water for livestock and therefore mitigates against drought <br> - Reduces soil erosion <br>

- Can assist recharge of shallow wells <br>

- Simple technology and maintenance Can reduce salinity in groundwater <br>- Water of good quality<br>- Unaffected by drought Gully plugs: no trench design required, just uses existing gully drainage pattern <br>| con= - Frequent fog presence Recharge of groundwater is needed not certain according to local sub-surface conditions <br>

- Relatively small water quantities can be harvested <br>

- Polypropylene mesh is hard to find in some areas <br>

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