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我国自古以来有修建围墙的习惯,大有抵御外敌的长城,小有农家的院墙。农家的院墙大都采用土、砖(石)围成,四垛墙把院子围起来,不但通风不畅,也不美观。土墙不断有尘土剥落,污染环境。砖、石围墙除占用土地外,还耗用建筑材料,增加基建投资。若将土、砖、石墙改成绿色篱笆会带来很多好处:绿篱笆能通风透光,对烟尘、粉尘有阻挡、过滤和吸附作用;栽种经济树木还能
Since ancient times, China has the habit of building walls, a great wall to resist foreign enemies, a small farm courtyard wall. Most of the farm courtyard wall with soil, brick (stone) enclosed, four walls to enclose the yard, not only poor ventilation, not beautiful. Earth walls continue to have dust spalling, polluting the environment. Brick, stone walls in addition to occupy the land, but also the consumption of building materials, increase capital investment. If the soil, brick, stone walls into a green fence will bring many benefits: green fence can be ventilated, smoke, dust blocking, filtration and adsorption; also planted economic trees can