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云杉做为一种实生性广、移栽成活率高,既不威胁空中线路,又不威胁地下管网,无色、无味、无刺、无飞毛扬絮,抗逆性强的种树,适合于做行道树种,对于的不足之处可以通过避开城市主要街道,选择城外主要干线公路,加强护林等手段克除。云杉成本低,大树数量多,货源充足,很容易配置完备一条完整的公路,许多有利因素是其他树种无可比拟的。
Spruce as a wide range of livelihood, high survival rate of transplanting, neither threaten the air lines, but also does not threaten the underground pipe network, colorless, odorless, stingless, no fly wool, strong resistance to species of trees , Suitable for street tree species, for the deficiencies can be avoided by the main streets of the city, choose the main trunk road outside the city, strengthen the protection of forests and other means of removal. Spruce low cost, large number of trees, adequate supply, it is easy to configure a complete road, many of the favorable factors is unmatched by other species.