pyq/2020/prelims/90

In the context of India, which of the following is/are considered to be practice(s) of eco-friendly agriculture?

1. Crop diversification

2. Legume intensification

3. Tensiometer use

4. Vertical farming

Select the correct answer using the code given below:

(A) 1, 2 and 3 only

(B) 3 only

(C) 4 only

(D) 1, 2, 3 and 4