论文部分内容阅读
黑荆树(Acacia mearnsii De Wild)是速生、经济价值高、用途广的经济用材树种。树皮单宁含量46%以上,是优质的凝缩类栲胶原料;材质坚韧,是良好的家俱、坑木等用材;木材纤维素高达45%,是人造丝和造纸的好原料;枝桠可作燃料。本文根据在江西、福建、浙江、贵州、云南、四川和广西等七个省(区)黑荆树的重点引种栽培区的调查,着重讨论黑荆树生长的生态条件。一、引种情况黑荆树原产澳大利亚,五十年代由华侨引入我国福建、广东等沿海一带,尔后,林业
Acacia mearnsii De Wild is a fast-growing, economically valuable and versatile economic tree species. Bark tannin content of more than 46%, is a high-quality condensate rubber material; tough material is good furniture, pit timber and other timber; wood cellulose up to 45%, is a good raw material for rayon and paper; Make fuel. Based on the investigation of the key introduced cultivation of black wattle in seven provinces (regions) such as Jiangxi, Fujian, Zhejiang, Guizhou, Yunnan, Sichuan and Guangxi, this paper focuses on the ecological conditions of the growth of black wattle. First, the introduction of black clam origin Australia, the 50’s by overseas Chinese into Fujian, Guangdong and other coastal areas, and later, forestry