Urban greening landscape work needs. For a city's greening work, the conservation work is not only one of the important measures to protect the urban road, but also the work of urban greening landscape to promote its evolution and reform work smoothly, such as according to the different characteristics of plants and different Period has the role of different land use of different combinations of landscape combinations, and thus maximize the realization of the landscape optimization and aesthetics.
The need for urban ecological security. Shanghai, Beijing, such as the growth of the first-tier cities, urban areas continue to expand, road greening is an important part of the entire green ecosystem, road green can effectively block the dust noise, absorb all kinds of toxic and harmful gases, contact the forest, The formation of green ecosystem, for each citizen are closely related.
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