UPSC CSE Mains 2016 · GS3
What is allelopathy? Discuss its role in major cropping systems of irrigated agriculture.
Theme
T138 Cropping patterns & crop diversification: horticulture, pulses, millets
What UPSC asks in this theme
Questions ask what drives farmers to high-value crops, changes in cropping pattern with consumption and markets, challenges of crop diversification, declining rice–wheat yields, allelopathy, the National Horticulture Mission, and pulses and millets.
What to cover
- Drivers: prices, MSP bias, water, markets, consumption shifts
- Diversification challenges and technology opportunities
- Allelopathy in cropping systems
- NHM / MIDH performance
- Millets and pulses: nutrition, climate resilience
Writing the answer
- Use examples of states and crops
These notes are for the whole theme, built from all 8 of its PYQs. UPSC does not publish model answers.
On the map
Map module 3: Climate, monsoon & soilsMap module 4: World physical frameworkMap module 6: Resources & agriculture
More PYQs from this theme
- GS3202510 marks
- GS3202315 marks
- GS32021
- GS32018
- GS32018
- GS12017
- GS32017
All 22 GS3 2016 questions · Technology, Economy, Environment, Security & Disaster Management · Report a typo