Which of the following schemes are meant for preventing soil erosion?
A
Contour bunding
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B
Control of cattle grazing
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C
Diversions
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D
Shifting cultivation
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Solution
The correct option is D Contour bunding Ploughing along contours on a slope prevents soil being washed away by rainwater or by surface run off. Contours act like bunds. Terraces are levelled into step like small fields with even slope.