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reduce the greenhouse gas emissions from on-farm activities in Northern India by nearly 80 per cent and help lower air pollution in cities like New Delhi, according to a study. The study, published in the journal Science, shows that the farmers could also increase their profits if they stop burning their rice straw and adopt no-till practices to grow wheat. Researchers, including those from International Maize and Wheat Improvement Center (CIMMYT) in Mexico, compared the costs and benefits of 10 distinct land preparation and sowing practices for northern India’s rice-wheat cropping rotations, which are spread across over four million hectares.