railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) General Knowledge Geography (World Geography) Biogeography
Soil conservation involves several practices that prevent soil erosion and degradation while maintaining its fertility. Describe how contour plowing and terracing can be used as effective soil conservation techniques in hilly agricultural regions.
1
Crop rotation
2
No-till farming
3
Mulching
4
All of the above