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铅笔柏(Sabina virginiana(L.)Autoine),又称北美圆柏、红柏.原产北美,二十世纪初期引入我国.该树为常绿大乔木,树身塔型、美观,不仅是园林绿化优良树种,也是营造用材林、防护林的好树种.但它在盐碱土上生长适应性和耐盐程度如何?尚缺乏资料.为此,本站从1980—1982年进行了引种试验.现将结果初报如下:一、试验地自然概况试验地设在江苏省射阳沿海防护林试验站内.地处北亚热带北缘,年平均气温13.7℃,最高气温35.8℃,最低气温-10.4℃,年降雨量1034.8毫米,雨量多
Sabina virginiana (L.) Autoine, also known as the North American Sabina, cedar .Original North America, the early twentieth century introduced to our country.The tree is evergreen tree, tree body tower, beautiful, not only landscaping Good tree species, but also to create timber, shelterbelt good tree species, but its growth in saline-alkali soil adaptability and salt tolerance is still lacking information.Therefore, this site from 1980 to 1982. Now the results of early Reported as follows: First, the experimental nature of the test site located in Sheyang, Jiangsu Province, coastal shelter forest test station is located in the northern margin of the northern subtropics, the annual average temperature of 13.7 ℃, the maximum temperature of 35.8 ℃, the minimum temperature of -10.4 ℃, annual rainfall of 1034.8 Millimeter, more rainfall