question_answer

With reference to soil conservation, consider the following matches:

1. Afforestation

2. Contour ploughing

3. Crop rotation

4. Terracing

Which of the above are considered appropriate methods for soil conservation in India?

A)  1, 2 and 3 only

B)  2 and 4 only

C)  1, 3 and 4 only

D)         1, 2, 3 and 4