首页> 外国专利> METHOD FOR FORMATION OF NORWAY SPRUCE WOOD OF INCREASED DENSITY AND STRENGTH

METHOD FOR FORMATION OF NORWAY SPRUCE WOOD OF INCREASED DENSITY AND STRENGTH

机译:密度和强度增加的挪威云杉木材的成型方法

摘要

FIELD: forestry.;SUBSTANCE: invention relates to forestry, in particular to the formation of high-quality branchless wood of Norway spruce. At the age of 15–20 years in the homogeneous forests or wild stands of Norway spruce, having a high growth class (Ia-II), target large trees are selected. On the selected trees, snedding is carried out, 5–6 upper live whorls are left. With an annual growing of one upper whorl, also annually snedding of one lower is carried out, keeping the original 5–6 whorls.;EFFECT: increases wood density and strength.;1 cl, 2 tbl
机译:技术领域本发明涉及林业,尤其涉及挪威云杉的优质无分支木材的形成。在15-20岁的挪威云杉的均质森林或野生林中,具有较高的生长等级(Ia-II),因此可以选择目标大树。在选定的树木上进行打假,剩下5–6个上部活轮。每年增加一个上轮,每年也下一个下轮,保持原来的5-6个轮。;效果:增加木材密度和强度。; 1 cl,2 tbl

著录项

相似文献

  • 专利
  • 外文文献
  • 中文文献
获取专利

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号