龙山时代日照地区发达的原始农业

This passage gives a brief introductionto original agriculturial civilization of Rizhao Longshan Period.It mailyfocus onclimate ,natural environment ,the kinds of cultirable plants .Produce process . And tools of production etc .The article isbased on document of archaeology andfolklore ,giving a minimumestimate of the whole productivity of grain andthe areaforcultivating at that time . All these prove that the origional agriculture maily depends on planting rice is highly developed inRizhao area of Longshan period.