水杉是我国特有的珍贵树种,四十年代在我国湖北省利川县西部地区发现以后,经国内外大量引种实验证实:水杉能耐水湿和轻度盐碱,适应性强,病虫害少,树干通直,材质良好,是一个四旁绿化的速生树种。解放以后,我区也进行了引种,特别是无产阶级文化大革命以来,引种规模逐渐扩大,目前生长普遍表观良好,受到了群众的喜 Metasequoia is endemic to China. After the discovery of the western region of Lichuan in the 1940s in our country, Metasequoia glyptostroboides has been proved to be water-wet and mildly saline with strong adaptability, less pests and diseases and straight trunk , Good material, is a green tree around the fast growing species. Since the liberation, our region has also introduced the introduction, especially since the Great Proletarian Cultural Revolution, the introduction of the gradual expansion of the scale, the current general well-being of growth, by the masses of the hi