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国营派阳山林场从1958年到1965年,采用桐棉松(马尾松新品系)优良种源,先后营造了大面积的林子,获得大面积的速生丰产。根据派阳山林场、广西林科所、南宁地区林科所等单位,1980年、1982年和1984年先后三次调查测定,以及1985年元月12日由区林业厅组织邀请南方十四省(区)科研、教学、生产部门的教授、高级工程师以及科技人员,进行现场复查验收鉴定,确定近七千亩连片的桐棉松林为速生丰产林,每亩年平均材积生长达1.7m~3,其中大片坳520亩25年生速生丰产林分的二亩标准地,最高产量达57.83m~3/亩(包括间伐
State-owned Yangshan Forest Farm from 1958 to 1965, the elite source of Tongbosong (new Pinus massoniana), has created a large area of the woods, access to large areas of fast-growing yield. According to three surveys, ie, Peiyangshan Forest Farm, Guangxi Linke Institute and Nanning Prefecture Forestry Bureau, three surveys were conducted in 1980, 1982 and 1984, and January 14, District) scientific research, teaching, production department of professors, senior engineers and scientific and technical personnel, site inspection and acceptance of identification, to determine nearly seven thousand acres of contiguous cottonwood pine fast-growing high yield forest, the average annual volume per acre up to 1.7m ~ 3 , Of which 520 acres of large-scale depression Au 25-year-old fast-growing high yield acres of standard, the maximum output of 57.83m ~ 3 / mu (including thinning