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Bt cotton only increased cost of cultivation: Study -TV Jayan

-The Hindu Business Line

‘Higher output due to other factors’

Much of the increase in cotton yields in India cannot be attributed to the adoption of transgenic cotton, as claimed earlier, but to other factors such as increase in area of cultivation, fertiliser use, better irrigation and new class of insecticides in last 15 years, according to a new study.

The study appeared in the journal Nature Plants last week. It was the very first study on the long-term impact of cultivation of Bt cotton, which, since its introduction in 2002, covered more than 90 per cent of cotton fields in India.

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