论文部分内容阅读
公路绿化既巩固路基、美化路容、舒适行车,又有调节气候、保持水份、防风固沙、改善环境、保持生态平衡的特殊作用。因此,保护公路树木,发展公路绿化,具有重要意义。但是,树木生长周期较长,在其生长过程中,常遭到自然灾害和各种病虫害的侵袭,这不仅破坏了公路行道树的美观,还严重影响了树木生长、减少产量、降低效益,甚至造成树木的死
Highway greening not only consolidates the roadbed, beautifies the road capacity, and drives comfortably, but also plays a special role in climate regulation, water conservation, windbreak and sand fixation, environmental improvement and ecological balance. Therefore, the protection of highway trees, the development of road greening, of great significance. However, the longer growth cycle of trees leads to natural disasters and various pests and diseases during their growth. This not only undermines the beauty of road trees, but also seriously affects the growth of trees, reduces the yield, reduces the benefits and even causes Dead trees