一、评价效益问题的探讨草坪建设是城乡园林绿化的重要组成部分,草坪覆盖面积是国际上衡量现代化城市的重要标志之一。它对美化城镇、保护环境和平衡生态系统起着重要作用。当前,世界各国对园林植物(包括草坪、地被植物)在城镇建设中所产生的作用 I. Discussion on the Evaluation of Benefits Lawn construction is an important part of urban and rural landscaping. The covered area of ​​lawn is one of the most important symbols in the international measurement of modernized cities. It plays an important role in beautifying the town, protecting the environment and balancing the ecosystem. At present, the role of garden plants (including lawns and ground cover plants) in urban construction in various countries of the world