Explanation:
Rice-fish culture involves integrating fish rearing in paddy fields, which helps in pest control, fertilization, and provides additional protein income.
Explanation:
Crop rotation breaks pest cycles, improves soil structure, and maintains fertility by alternating deep-rooted and shallow-rooted, leguminous and non-leguminous crops.
Explanation:
Agriculture and allied products account for about 12-15% of India's total merchandise exports, with items like marine products, rice, spices, and cotton.
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