“…According to the archeobotanical studies carried out at Shilinggang Zhang et al, 2017), humans cultivated both rice and millets, as well as some plants with underground storage organs, such as tubers, roots, and rhizomes. The annual average temperature and precipitation at the Shilinggang site are ∼21 • C and 1,100-1,200 mm, respectively ; thus, the climate of this (Xue, 2010;Zhang, 2011;Wang, 2014;Yao et al, 2015;Liu, 2016;Yang, 2016;Ren et al, 2017;Dal Martello et al, 2021) and the Central Plains (Pei et al, 2008;Ling et al, 2010a,b;Chen, 2012;Hou et al, 2012;Dong et al, 2017;Lan, 2017;Zhou et al, 2017;Tang et al, 2018;Sun, 2019;Li et al, 2020): ( 1 site is wetter and cooler than that of Jiangxifen. Accordingly, humans mainly consumed C 3 foods, with a little supplement from C 4 foods (likely millets).…”