节点文献
渭北油松人工林生产力初报
Preliminary Report on Productivity of Pinus tabulaeformis Plantation in Weibei Region
【摘要】 渭北地区18年生油松林生物量为71.410t/ha,其中乔木层生物量为67.124t/ha。油松林乔木层年平均净生产量为5.926t/ha·a,现实生产量7.992t/ha·a。
【Abstract】 Standing crop of 18-year-old Pinus tabulaeformis plantation in Wei-bei region was 7l.410t/ha, in which the biomass of arbor layer amounted to 67.124 t/ha. Annual net production of high forest of the plantation averaged 5.926 t/ha.a, its current production accounted for 7.992 t/ha.a.
【关键词】 油松;
人工林;
生产力;
渭北地区;
【Key words】 Pinus tabulae for mis; plantation; productivity; Weibei region;
【Key words】 Pinus tabulae for mis; plantation; productivity; Weibei region;
- 【文献出处】 西北林学院学报 ,Journal of Northwest Forestry University , 编辑部邮箱 ,1992年01期
- 【被引频次】4
- 【下载频次】50