Some regions follow contour farming. This method is useful for ___ and ____.
A
Soil conservation
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B
Wise use of water for the crops
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C
Reduce soil erosion
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D
Increase the manpower
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Solution
The correct option is C Reduce soil erosion Contour farming is one of the ways to conserve soil. It also reduces soil erosion. Other methods involve afforestation, controlled overgrazing and construction of check dams.