1.

Which of the following is/are methods of checking soil erosion? 1. Strip cropping 2. Contour ploughing 3. Use of irrigation and fertilisers 4. Terrace farming

A. 1 and 2
B. 3 and 4
C. 2, 3 and 4
D. 1, 2, 3 and 4
Answer» E.


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