The COVID-19 crisis has exposed the vulnerability of India's Agri food system and accentuated the need for agricultural market reforms and digital solutions to connect farmers to markets, to create safety nets and ensure reasonable working conditions, and to decentralize Agri food systems to make them more resilient. Keywords Covid19. Agri food system. Food security. Resilience The vulnerabilities in agricultural supply chains and depleted workforces caused by the COVID-19 crisis have hurt farms of all sizes in India, especially high-value farm enterprises. Most affected have been dairy farming, floriculture, fruit production, fisheries, and poultry farms. Food availability in rural parts of India during the lockdown became a problem for administrators, researchers, and civil society as poor people's resilience reached a breaking point in the face of prolonged unemployment. The central and state governments have acted quickly to help agriculture navigate this unprecedented crisis. However, more measures are needed to reboot the sector and ensure it exits the crisis more resilient than before.

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Climate change and its impact on agriculture productivity vary among crops and regions. The southeastern United States (SE-US) is agro-ecologically diversified, economically dependent on agriculture, and mostly overlooked by agroclimatic researchers. The objective of this study was to compute the effect of climatic variables; daily maximum temperature (Tmax), daily minimum temperature (Tmin), and rainfall on the yield of major cereal crops i.e., corn (Zea mays L.), rice (Oryza sativa L.), and wheat (Triticum aestivum L.) in SE-US. A fixed-effect model (panel data approach) was used by applying the production function on panel data from 1980 to 2020 from 11 SE-US states. An asymmetrical warming pattern was observed, where nocturnal warming was 105.90%, 106.30%, and 32.14%, higher than the diurnal warming during corn, rice, and wheat growing seasons, respectively. Additionally, a shift in rainfall was noticed ranging from 19.2 to 37.2 mm over different growing seasons. Rainfall significantly reduced wheat yield, while, it had no effect on corn and rice yields. The Tmax and Tmin had no significant effect on wheat yield. A 1 °C rise in Tmax significantly decreased corn (− 34%) and rice (− 8.30%) yield which was offset by a 1 °C increase in Tmin increasing corn (47%) and rice (22.40%) yield. Conclusively, overall temperature change of 1 °C in the SE-US significantly improved corn yield by 13%, rice yield by 14.10%, and had no effect on wheat yield.

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