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9. Previous Years UPSC Mains Questions

1. What is water-use efficiency? Describe the role of micro-irrigation in increasing the water- use efficiency.

2. What is allelopathy? Discuss its role in major cropping systems of irrigated agriculture.


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FOOD PROCESSING AND RELATED INDUSTRIES IN INDIA – SCOPE AND SIGNIFICANCE, LOCATION, UPSTREAM AND DOWNSTREAM REQUIREMENTS, SUPPLY CHAIN MANAGEMENT