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
Sustainable AgricultureEco-friendly Farming PracticesCrop diversificationLegume intensificationTensiometerVertical farmingEco-friendly agriculture