Fig. 1.

Reduction in marketing quantity of grain, edible oil, animal products, vegetables and fruit during the COVID-19 epidemic in China.

Notes: 1. Transaction changes were calculted in unit of weight (tonnes). 2. January 23rd is the day when Wuhan was placed under lockdown policy. 3. January 29th is the day when all provinces in China lauched Level Ⅰ responses to major public health emergency. 4. Numbers are calculted based on a big-data information platform called National Data Service Platform of Agricultural and Rural Response to COVID-19 set by MARA, http://snsj.agri.cn/market-operation.