Q: 75 (NDA-I/2014)

Mulching, an agronomic measure of soil- conservation, is very effective because it
1. protects soil from gully erosion
2. protects soil from sheetwash and wind erosion
3. helps soil to retain moisture and nutrients
Select the correct answer using the code given below.

User login

For Search , Advanced Analysis, Customization , Test and for all other features Login/Sign In .