how indo gangetic plains support india agriculture
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Answer:
Indo-Gangetic Plains. In South Asia's breadbasket, farmers practice zero-tillage to reduce costs and grow more wheat. Alternate wetting and drying of rice fields helps cut water consumption by up to 50 percent. Yields of both cereals improve after laser-assisted land-levelling.
Answer:
In South Asia’s breadbasket, farmers practice zero-tillage to reduce costs and grow more wheat. Alternate wetting and drying of rice fields helps cut water consumption by up to 50 percent. Yields of both cereals improve after laser-assisted land-levelling. Farmers save on fertilizer with ‘needs-based’ nitrogen management and use legumes to suppress weeds.
For rice, the Rice-Wheat Consortium, an eco-regional initiative of national agricultural research systems and the CGIAR, promoted the substitution of long-season cultivars with short-seasons ones, and direct dry-seeding which, by eliminating the need for transplanting, reduces water use, energy costs and labour requirements. In dry-seeding, fields are prepared in June and a short-season rice crop is sown after irrigation to establish it before the onset of the monsoon in July.
During crop growth, various approaches are being promoted to help farmers increase rice output with the same amount of water, or use less water without reducing yields. One approach is alternate wetting and drying, in which the paddy is flooded and the water is allowed to dry out before re-flooding. Another is aerobic rice, where seeds are sown directly into the dry soil, then irrigated. Both approaches result in water savings of 30 to 50 percent. Raised-bed planting also produces significantly higher rice yields.
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