Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Knowledge Indian Geography Indian Economic and Human Geography
The most appropriate to prevent soil erosion on steep slopes is
1
Mulching
2
Shelter belts
3
Terrace cultivation
4
More than one of the above
5
None of the above