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要搞好公路绿化的规划设计,科学地评价公路绿化的质量标准,首先就要明确公路绿化规划设计的指导思想和功能要求。对公路绿化指导思想和功能要求的认识,是随着科学技术的发展,以及人民物质精神生活的提高而逐步深化的,即从较单一的行道树功能的认识,发展为现代的多种综合功能的认识。公路绿化规划设计要贯彻“适用、经济、美观”的方针。“适用”就是满足综合功能的要求;“经济”就是造价低,成活率高,管理方便;“美观”就是合理布局,健康舒适。三者之间的关系,既互相关联又互相制约,缺一不可,满足功能要求是主要的。绿化是保持生态平衡,造福于人类的大事业。公路绿化对农业生产的好处是“绿化一条线,受益
To improve the planning and design of highway afforestation and evaluate the quality standards of highway afforestation scientifically, we must first clarify the guiding ideology and functional requirements of highway afforestation planning and design. The understanding of guiding ideology and functional requirements of highway greening is gradually deepened with the development of science and technology and the improvement of the material and spiritual life of the people, that is, from the understanding of more single functions of tree-sideways to the development of modern comprehensive functions understanding. Highway greening planning and design should implement the “applicable, economic and beautiful” approach. “Applicable” is to meet the requirements of comprehensive functions; “economy” means low cost, high survival rate and convenient management; and “beautiful” means reasonable layout and healthy and comfortable. The relationship between the three, both interrelated and mutual constraints, are indispensable, to meet functional requirements is the main. Greenery is to maintain the ecological balance, the benefit of mankind’s major cause. The benefits of highway greening to agricultural production are “greening a line and benefiting.”