Answer:
The
various methods for preventing and reducing soil erosion are:
(i) preventing excessive grazing.
(ii) planting more and more trees as the roots of the
trees hold the soil in place (afforestation).
(iii) contour ploughing and terrace farming in hilly
areas.
(iv) keeping the vegetation cover on the ground to reduce
the effect of wind and water.
(v) Use of proper drainage canals in the fields.
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