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Swales (bunds, contour ridges, berm ‘n basin, contour ditches) Gallery Swales (bunds, contour ridges, berm ‘n basin, contour ditches) Catching, Reducing Loss & Holding Rainwater, Scale 1: Umzi (garden/homestead), Scale 2: Small arable (field) Swales (bunds, contour ridges, berm ‘n basin, contour ditches)Elizabeth Fletcher2017-09-15T10:20:38+02:00