关键词: 高速公路, 植物选择, 绿化

Abstract: To probe the greening current situation of high ways in Heilongjiang province and to select green plants based on different highway site conditions, green plants and their applications in Heilongjiang Provincial expressways were respectively expounded from the view of the geographic area and structure of highway, which provide reference for the greening highways in Heilongjiang Province. The results showed that total green plants are 46 species commonly used, 30 kinds of woody plants commonly used, 16 kinds of herbs commonly used on high ways in Heilongjiang province. Selection of green plant materials for highways is affected by natural conditions in Heilongjiang province, species of plant are monotonous, the majority of highway greening lacks its own characteristics; due to seasonal factors, it lacks green landscape in Heilongjiang province highways in winter, seldom evergreen tree species; relatively undiversified highway landscape level, seldomly use cover plants.

Key words: highway, plant selection, greening