In its plea, Tamil Nadu said the Mettur reservoir was currently holding limited water, which could be used for only around 30 days, and sought urgent directions to Karnataka to release its due share.
Manivannan said some farmers were also considering long-duration varieties as a precaution against heavy rainfall, cyclones and flooding during the Northeast monsoon.
Speaking to reporters at Vidhana Soudha on Wednesday, the Water Resources Minister N. Chaluvarayaswamy said extensive discussions were held with the Chief Minister DK Shivakumar on the matter.