| Which of the following are the techniques adopted to stop soil erosion in dry lands? |
| 1. Terrace farming |
| 2. Contour ploughing |
| 3. Afforestation |
| 4. Shelter belts |
| 5. Plugging gullies |
| Select the correct answer using the codes given below. |
A) 1, 2 and 3
B) 3, 4 and 5
C) 1, 2 and 4
D) 2, 3 and 4
Correct Answer: B
Solution :
[b] Terrace farming and contour ploughing are the techniques adopted for restricting soil erosion along the slope i.e. in hilly areas and plateau regions. Afforestation is to check soil erosion in almost all regions. Shelter belts is raised on the margins of the desert and dry lands to check the wind erosion. Gully erosion is a major cause of soil erosion in dry lands so, plugging of gullies are a good measure for prevention of soil erosion. In strip cropping crops are grown in alternate strips of land to check the impact of winds.
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