Published - January 19, 2026 08:18 pm IST - NAGAPATTINAM Farmers in Thirupoondi East village in Keezhaiyur block show paddy grains that have turned black, raising fears of possible yield loss. | Photo Credit: Special Arrangement Farmers in parts of Keezhaiyur block have raised concerns over the grain discolouration in samba paddy crops at the harvest stage, prompting fears of possible yield and quality loss. The impact has been reported in several acres, though the exact extent is yet to be assessed.