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Water Portal / Rainwater Harvesting / Groundwater recharge / Contour ridges

40 bytes added, 23:24, 31 May 2012
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[[Image:contour ridges icon.png|right]]
[[Image:ContourRidges.JPG|thumb|right|300px|Contour ridges. Photo: [http://www.flickr.com/photos/makeamark/5983682258/in/photostream/ Make a Mark.]]]
Contour ridges, sometimes called contour furrows or micro watersheds, are used for crop production. Ridges follow the contour at a spacing of usually 1 to 2 metres. Runoff is collected from the uncultivated strip between ridges and stored in a furrow just above the ridges. Crops are planted on both sides of the furrow.
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