适当移栽大树是加速城市绿化的一个重要途径,早在20世纪50年代,我国许多城市就移栽了不少大树来绿化城市,取得了很好的效果。2006年,宁夏南部山区各县战略性地提出,利用 Appropriate transplanting of large trees is an important way to speed up urban greening. As early as the 1950s, many cities in our country transplanted many large trees to green the city and achieved good results. In 2006, counties in the southern mountainous areas of Ningxia proposed and utilized strategically