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Option 3 : Contour ploughing

The method of soil conservation in which ploughing is done parallel to the contours of a hill slope to form a natural barrier for water to flow down the slope is called Contour ploughing.

  1. It’s the contour ploughing which involves digging the field parallel to the contours of a hill slope.
  2. This measure checks soil erosion, as they create water break which prevents the formation of gullies and rills during the heavy downpour.
  3. Also, it allows the infiltration of water in the ground, which recharges ground water levels.
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