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江苏省的商品性用材林基地的建设,是在1980年营造小片丰产林的基础上发展起来的。目前商品性用材林基地建设包括:基地造林、中幼龄抚育和老竹垦复三个部分。进行基地林建设的目的:一是利用有限的投资,选择速生丰产的树种,采用集约经营的手段,尽快向社会提供商品材,以提高全省木材和林副产品的自给水平,二是通过基地林建设,摸索林木速生丰产的途径,总结经验,在全省林业生产中推广应用,三是不断扩大森林面积,增加森林后备资源,提高全省森林覆盖率,改善全省大农业的生态环境。基地林建设的具体条件和要求是,选择
The construction of a commercial timber forest base in Jiangsu Province was developed on the basis of creating a small piece of high yield forest in 1980. At present, commercial timber forest base construction includes: base afforestation, middle-aged tending and old bamboo reclamation three parts. The purpose of the base forest construction: First, the use of limited investment, the choice of fast-growing and high-yielding species, the use of intensive management tools to provide goods to society as soon as possible in order to improve the province’s timber and forest by-product self-sufficiency level, the second is through the base forest Build and explore the means of fast-growing and high-yielding forest, sum up experience and popularize and apply in the province’s forestry production. The third is to continuously expand the area of forest, increase reserve resources of forests, increase the forest coverage in the province and improve the ecological environment of large-scale agriculture in the province. The specific conditions and requirements for the construction of the base forest are the choices