Per NCERT, what is CONTOUR PLOUGHING — a soil conservation method?
ANo ploughing
BPloughing only in deserts
CPloughing in straight rows
DPloughing ALONG the contour lines (not up + down the slope) to decelerate water flow down slopes
Answer & Solution
Correct answer: D. Ploughing ALONG the contour lines (not up + down the slope) to decelerate water flow down slopes
Per NCERT §Soil Erosion, contour ploughing slows water flow + reduces erosion. The other options misstate.
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