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Page history
28 October 2017
2 December 2016
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29 November 2015
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3 September 2015
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Winona moved page Contour ridges to Water Portal / Rainwater Harvesting / Groundwater recharge / Contour ridges: add new navigation
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→Construction, operations and maintenance
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Created page with "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 col..."
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