绿化对居住区建设的重要性,已尽人皆知,但北京市解放卅年来新建的许多居住小区绿化条件普遍较差。小区内除行道树外,很少有按绿化设计种植树木的,一般是黄土露天、尘土遍地。有的小区虽曾规划过一些绿地,但后来 The importance of greening to the construction of residential areas is well known. However, the greening conditions of many newly built residential areas in Beijing during the liberation years are generally poor. Apart from street trees in the community, there are few trees planted according to the greening design, and the loess is generally open air and dust everywhere. Although some communities have planned some green areas, but later