Q. In which of the following ways can soil be conserved?
1. Contour ploughing
2. Terracing
3. Shifting cultivation
4. Crop rotation

  • (A) I, II and IV
  • (B) II, III and IV
  • (C) II and IV
  • (D) I and III
βœ… Correct Answer: (A) I, II and IV

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