Joint decision-making, technology adoption and food security: Evidence from rice varieties in eastern India

•Spouses are increasingly making farming-related decisions.•Join-decision making (husband and wife) on farming is increasingly important.•Assess married couples’ joint decision-making on rice variety selection and rice productivity.•Farms with joint decision-makers and wife) would have higher yields when selecting older rice varieties.•Farm families with joint-decision making have higher food security.