额尔古纳市白桦采种基地建设

摘要

白桦是额尔古纳市乡土树种,又是呼伦贝尔地区急需造林的阔叶树种。建立白桦采种基地,采取间伐方式,保留生长健壮母树,对其进行管护,促进母树结实优良种子,满足呼伦贝尔造林绿化生态建设需要。%White birch is EErGuNa city,is the hulunbuir region indigenous tree planting broadleaf urgently needed.Establish mini-power base,take the thinning birch trees growth and way,keep,and carry on the management and promote good seeds,meet trees strong afforestation ecological construction hulunbeir needs.