4. Soil erosion of farms in hilly areas due to owing rainwater can best
be controlled by:
a. afforestation
b. step farming
c. building embankments
d. covering with dry vegetation
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3
Answer:
afforestation
Explanation:
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Answered by
5
Explanation:
Following steps are taken to control the soil erosion in hilly areas:
(i) Contour ploughing: this refers to ploughing along contour lines.
(ii) Terrace farming: construction of steps along the hilly areas by cutting the rock layers to reduce the flow of rivers.
(iii) Plugging of gullies to prevent gully erosion.
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