前言园林树木基本上都是人工栽植的,在沈阳市应用旱柳做行道树、岸边绿化及景点树等非常普遍,而且一般长势良好。旱柳属深根性树种,其根系在土壤中分布范围很广,适应性较强。但在有些街道生长几年以后,出现枯枝,偏冠的现象也很常见,当然,这由多种原因所致,但土壤条件的影响也是很重要的。因为城市的土壤大多经过施工破坏的人工翻新土壤,地表 Foreword Garden trees are basically planted in Shenyang City, the application of willows to do sidewalk trees, greening and attractions on the shore of the tree is very common, and generally grow well. Salix is ​​a deep-rooted tree species, its root distribution in the soil is very wide, strong adaptability. However, after some years of growth in some streets, the phenomenon of dead branches and crowns is common. Of course, this is caused by a variety of reasons, but the influence of soil conditions is also very important. Because most of the city’s soil is damaged by artificial renovation of the soil, the surface