唐代以后我国开始推行“均田制”(无主土地按人头划给小农耕作)、“租庸调”(按丁交纳赋税和服役)等制度,有利于农业发展,为大唐王朝的繁荣奠定了基础。但是唐安史之乱后,我国北方长期战乱不断,户口迁徙,土地荒芜,只有南方相对稳定。中原人民多次大批南迁,我国的经济中心从此由黄河流域移向了长江流域,水田耕作体系也逐步走向成熟。水田农业沟渠纵横,水田相连,人们在田间辛勤地劳作。当时一些专用的劳动保护用具已经普遍使用,在 After the Tang Dynasty, China started to implement the “equal field system” (no owners of land plots to smallholder farming), “rent” (pay taxes and service according to Ding) system is conducive to agricultural development, for Datang The prosperity of the dynasty laid the foundation. However, after the chaos of Tang An-shih, the long war-time crises in northern China, the relocation of hukou and the barren land were only relatively stable in the south. The Central Plains people moved southward many times. Since then, the economic center of our country has moved from the Yellow River basin to the Yangtze River valley. The cultivation system of paddy fields has also gradually become mature. Paddy fields agricultural ditches vertical and horizontal, paddy fields are connected, people work hard in the field. At that time, some special protective equipment for labor protection was already in widespread use