Question : The remedies to soil erosion are :
I. Contour bunding
II. Regulation of land use
III. Cutting of trees
IV. Allowing grazing of animals
Option 1: I, III
Option 2: I, II
Option 3: III, IV
Option 4: II, III
Correct Answer: I, II
Solution : The correct answer is I, II.
Soil erosion is a negative environmental phenomenon in which upper fertile layer of soil is washed away. It is exacerbated because of human activities like deforestation, over grazing, extensive farming practices etc.
It could be corrected by steps like- contour bunding, regulation of land use, mulching, cover crops, zero tillage, afforestation etc.
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