The use of Bt cotton seeds has had a positive impact on the overall socio-economical development of the farmers in the country, including in Andhra Pradesh, over the last decade, says a study.

Cotton production in Andhra Pradesh has increased 79.45 per cent per hectare with hybrid Bt cotton seeds, while the area under cultivation and cotton productivity have increased 9.45 per cent and 2.32 per cent respectively, leading to a 575 per cent increase in net returns for the farmers.