Cultivated land refers to the land where crops are planted, including cultivated land, newly developed land, reclaimed land and leisure land (including rotation land and reclamation land); Land mainly planted with crops (including vegetables) and sporadically planted with fruit trees, mulberry trees or other trees; On average, one season of aquaculture beaches and beaches can be harvested every year. Cultivated land includes fixed ditches, canals, roads and ridges with a width of less than 1.0m in the south and less than 2.0m in the north; The secondary classification is paddy field, irrigated land and dry land. Homestead is a homestead, and its land nature cannot be changed.