大都市区农田的功能、作物种植区划与土壤肥力调控区划

Spatial Planning of Farmlands,Crop Planting and Soil Quality Management in Beijing Municipals

随着生活水平的提高,人们越来越重视生态环境。大都市区农田的功能也由以生产功能为主,向生态服务与景观文化功能为主转变。因此,在农田的作物生产布局方面,要充分考虑城市生态环境保护和景观美化要求,在不同的区位或空间,安排适宜安全生产,并与景观相协调的作物。在农田土壤管理上,不能为追求高产而无限地培肥地力,而是要根据城市生态环境保护要求,划定限制培肥区,优化培肥区和培肥区。

With people＇s living standard reaching a higher level, people pay more and more attention to the environment and ecology, as well as scenery enjoying. The main functions of farmlands have been transferring to ecological and sightseeing functions from productive function in metropolis area. For getting the multiply functions of agriculture, the spatial arrangement of crop planting should be coincidence with the environment protection and scenery beauty requirement. For farmland management, high fertility may not be important; the fertility of soil should be kept in a suitable level that could not made water polluted. Soil fertility also should be divided into three region,fertility controlling region, fertility optimizing region and fertility promoting region in metropolis area.