指出了树木作为园林的重要组成部分,具有能美化环境,陶冶情操等功用,探讨了园林绿化树木对大气污染的净化机理和指示机理,并归纳了园林绿化中具有较强净化和指示作用的树种,以期为园林绿化树种选择提供依据。

With the rapid development of urban construction, the soil is gradual degraded by landscaping; the appropriate application of soil amendments can reduce the cost of foreign soil improvement. Soil amendment improves soil nutrient status, which not only improve the physical and chemical conditions, but also can promote the growth of green plants. Based on describing the development history of soil amendment, role and classification, this paper proposes necessity and application notes of application in landscape greening.