The Bicun site is a stone city of the Late Longshan Period located by the left bank of the southern flow Yellow River which provides important archaeological data for exploring the process of civilization in northern China.Data from current flotation indicates that the agriculture in Xiaoyuliang of the Bicun site was dominant by millets,including foxtail millet(Setaria italica)and broomcorn millet(Panicum miliaceum).The dominant position of foxtail millet is similar to that of the Shimao site with very few rice.The weed resources are similar to the vast area with Shimao as the core which associated with Poaceae,Chenopodiaceae and Fabaceae weeds.Some mulberry(Morus sp.)seeds were found in the first stage of the Xiaoyuliang settlement while the utilization of other fruit resources also existed in the later stages.The characteristics of plant association in different stages of the Xiaoyuliang settlement are relatively stable and rice only appeared in the most prosperous stage of the settlement which echoed the rice remains found in the same period of Shimao site.The agricultural economy in Bicun site is close to the northern part of the Loess Plateau with Shimao site as the core.
Longshan PeriodBicun siteAgricultural structureEconomic foundation