With reference to the soil conservation, consider the following

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With reference to the soil conservation, consider the following practices
1. Crop rotation
2. Sand fences
3. Terracing
4. WInd breaks
Which of the above are considered appropriate methods for soil conservastion in India ?

1. 1, 2 and 3 only
2. 2 and 4 only
3. 1, 3 and 4 only
4. 1, 2, 3 and 4

Correct Option: C

NA