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:
A1, 2 and 3 only
B3 only
C4 only
D1, 2, 3 and 4
Answer & Solution
Correct answer: A. 1, 2 and 3 only
UPSC CSE Prelims 2020 (GS-I, Set A), Q.90. Official answer key: A.
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