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UPSC Prelims 2010 · Agriculture · Soils
With reference to soil conservation, consider the following practices: Which of the above are considered appropriate methods for soil conservation in India?
- Crop rotation
- Sand fences
- Terracing
- Wind breaks
- (a) 1,2 and 3 only
- (b) 2 and 4 only
- (c) 1,3 and 4 only
- (d) 1,2,3 and 4
Show the answer and explanation
Answer: (d) 1,2,3 and 4
All four are soil conservation methods.
Statement by statement
1. ✓ YES Rotating crops keeps the soil covered and fertile.
2. ✓ YES Sand fences trap blowing sand in deserts.
3. ✓ YES Terraces stop erosion on slopes.
4. ✓ YES Windbreaks cut wind erosion.
Why the others are wrong
(a) Drops windbreaks.
(b) Drops crop rotation and terracing.
(c) Drops sand fences.
The trap
None.
🔒 Wind erosion: sand fences, windbreaks, shelterbelts. Water erosion: terraces, bunds, cover crops.