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
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Answer: A. 1, 2 and 3 only
Answer from the official UPSC key. A full explanation for this question is on its way.