intermediate felling yield 间伐收获
intensity intermediate felling 强度间伐
Cultivating cycle of cultivating Korean Spruce is 27 years for pulp timber, 45 years for big diameter construction timber, according to dynamic intermediate felling of different station, site condition, cultivating aim.
根据不同产区、立地、培育目标进行动态的抚育间伐，培育红皮云杉的培育周期确定为纸浆材27年，大径级建筑材45年。
参考来源 - 红皮云杉工业用材林培育技术体系的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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