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太旧高速公路中央分隔带的绿化是太旧高速公路管理养护中的一个重要内容。要实现高标准的绿化，在充分了解这一特殊地段立地条件的基础上进行的树种选择就是关键。本文结合太旧高速公路中央分隔带绿化工程介绍了树种选择的原则，以及我们所使用的乔、灌木树种和花卉、草坪品种。我们力求使所选择的树种和相应的种植设计既能满足立地条件的要求，又能展现出优美的景观，达到科学性与艺术性的统一。
The greening of the central divider of the too old freeway is an important part of the management and maintenance of the too old freeway. To achieve a high standard of greening, the choice of tree species based on a full understanding of the site conditions in this particular area is key. In this paper, the principle of tree species selection, green trees, shrubs, flowers and lawns we used are introduced in combination with the greening of the central divider of the too old expressway. We strive to make the selected tree species and the corresponding planting design not only meet the requirements of the site conditions, but also show a beautiful landscape to achieve scientific and artistic unity.