Most plants can improve the ecological environment at different levels, especially in drought and salinization environment,they produce oxygen through the photosynthesis process and maintain the balance of the ecological environment. Different plateau environment will have different effects on the growth of the plants ,even make some plants destruction in different degrees or disappearing in the environment pollution zone. Therefore, according to the geographic environment, we should actively cultivate the plants, especially a variety of trees. In recent years,more and more trees have been planted in Golmud area,and the chief species are willow and poplar.%以青海省格尔木市为例，分析了影响树木生长的原因，探讨了种植树木对生态环境的有利影响，为城市生态环境建设提供了有益的探索。
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