What is/are the advantage/advantages of using Green Manure in agriculture?
1. Reduction in water evaporation and increases water infiltration.
2. Reduction in the use of herbicides for controlling weeds.
3. Improvement in soil fertility.
Select the correct answer using the code given below.
1
1 and 2 only
2
3 only
3
1 and 3 only
4
1, 2 and 3
5
None of the above/More than one of the above.