10. Which of the following is/are the advantage /advantages of practising drip irrigation? 
 

1. Reduction in weed
2. Reduction in soil salinity
3. Reduction in soil erosion
 

Select the correct answer using the code given below.

1. 1 and 2 only

2. 3 only

3. 1 and 3 only

4. None of the above is an advantage of practising drip irrigation

Correct Answer :

1 and 3 only