Contouring/Cross Slope
Farming
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Redirects runoff
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Fail at long slope lengths
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Effectiveness depends on ridge height
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(no ridge height—no contouring effect)
Contouring/cross slope farming redirects overland flow from a direct downhill path to a much less erodible one around the slope.
Contouring fails at long slopes.
Effectiveness of contouring directly tied to height of ridges and furrow grade.