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人工培育起来的异龄复层阔叶红松林,1—10年间每公顷年蓄积净生长量为2.90m~3,生物量年净生长量为4.1t,年投资为35.26元。比同龄人工红松纯林蓄积量高3倍,生物量净生长量高0.7倍,投资额降低63.1％。异龄复层阔叶红松林,垂直结构合理,能充分利用光能,调节温度,贮水能力强,林下土壤疏松,肥沃,容重小,通气透水性强,有利于有机物质分解。
The artificial broad-leaved Korean pine mixed forest has the net annual growth of 2.90m ~ 3 per hectare in 1-10 years, the annual net growth of biomass of 4.1t and the annual investment of 35.26 yuan. Compared with the same age artificial Pinus koraiensis pure stock three times higher net growth of 0.7 times higher biomass, investment decreased 63.1%. Aged stratified broad-leaved Korean pine forest, the vertical structure is reasonable, can make full use of light energy, temperature regulation, water storage capacity, forest under the soil loose, fertile, small bulk density, aeration permeability is conducive to the decomposition of organic matter.