Q.

In a desert region, soil erosion can be checked by –

A. Contour ploughing
B. Using farm manure
C. Tree plantation/Afforestaion
D. Crop rotation
Answer» C. Tree plantation/Afforestaion
Explanation: Afforestation holds the key for preventing soil erosion in desert regions and further desertification. Trees or even small plants bind soil to their roots, thereby checking their loosening. Some other measures include: introduction of improved dry farming practices and animal husbandry and plantations for fuel and fodder.
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