Groundwater depletion may reduce winter cropping intensity by 20% in India.
About:
India is the second-largest producer of wheat in the world, with over 30 million hectares in the country dedicated to producing this crop.
Some of the important winter crops are wheat, barley, mustard and peas.
Recent study:
But with severe groundwater depletion, the cropping intensity or the amount of land planted in the winter season may decrease by up to 20% by 2025, notes a new paper.
The international team studied India’s three main irrigation types on winter cropped areas: dug wells, tube wells, canals, and also analysed the groundwater data from the Central Ground Water Board. They found that 13% of the villages in which farmers plant a winter crop are located in critically water-depleted regions.
The team writes that these villages may lose 68% of their cropped area in future if access to all groundwater irrigation is lost. The results suggest that these losses will largely occur in northwest and central India.
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