关键词: 光合作用, 光合作用, 蒸腾作用, 水分利用效率, 乐东拟单性木兰

Abstract:

To quot Design Specifications of Highway Environmental Protection and other industry specifications for the design basis, in accordance with plant division and forestry division in Shandong Province，Shandong Province plant resources of the highway is divided into four regions. According to investigating and analyzing the green plant and planting disposition on the main highway in Shandong Province,we can sum up the main highway greening of plant varieties and better allocation of the form in different conditions and in different regions.Based on this initial analysis,we can study further in-depth and quantitative in the highway greening design，while this article put forward some issues and proposals for the highway green research to more practical and more in-depth direction in our province.