<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->
Which of the following, are remedial measures for soil erosion:
1. Contour bunding
2. Contour terracing.
3. Regulated forestry
4. Controlled grazing
5. Cover cropping
6. Mixed farming
7. Crop rotation
Select the correct code from the following: