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    Economic Value of Pinus sylvestris var
    Add time:2016-09-30 Browse the number: 1285

      Pinus sylvestris produced in China's Heilongjiang Daxinganling elevation 400-900 m mountain and Hailar west, south of the sand dune area. Mongolia also has distribution. The model specimens were collected from Mongolia.

      Economic Value:

      Strong material, texture straight, for construction, furniture and other timber.

      10 to 12-year-old Pinus sylvestris var. Mongolica grown in gentle fixed sandy land can be harvested from 18,000 to 20,000 jin of burning material and 450 to 640 root (diameter 4 to 5 cm long and 1 to 1.5 m long) per hectare. 20-23 years per hectare to save 2000-2300 strains in the case of thinning can produce small rod 650-840 (diameter 8-10 cm, length 4 -5 m), thinning stand after the average DBH 11.6 cm, the tree 8.2 meters high, the volume of 76.6 cubic meters per hectare. Trunk can be cut resin, pine and pine turpentine extraction, bark can be extracted copy plastic.

      Dry, mechanical processing, anti-corrosion treatment performance is good; paint and bonding performance in general, the hardness of the wood, the density is moderate, the medium-sized indicators, the grip of the force in the texture fine, straight grain, wood grain clear, small coefficient of variation; . Easy to paint and stain after corrosion. China is the main raw material of preservative wood, the general longest material specifications for 6 meters.

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