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出 处:《东北林业大学学报》2000年第3期70-74,共5页Journal of Northeast Forestry University
基 金:国家"九五"攻关课题!"红松福建柏珍贵建筑材良种选育及培育技术研究"子专题
摘 要:皆伐迹地红松人工幼龄林的透光抚育,应实行上重下轻的综合透光抚育。均匀保留上层阔叶树和带状保留上层阔叶树,这2种抚育方式都是可行的。保留上层阔叶树500株/hm2]或略高于此较为适宜。伐去全部上层阔叶树和不伐上层阔叶树都不利于人工林的培育。The light-felling of Korean pine young stands on clear cutting block should carry out the synthetic light-felling of cutting more in upper layers and fewer in lower layers. Evenly reserving broad-leaved trees in upper layer and reserving broad-leaved trees in upper layer in strip are all applicable. Reserving broad-leaved trees in upper layer for 500 individuals per hacter or a little over 500 individuals is suitable. Cutting all the broad-leaved trees in upper layer and cutting no broad-leaved trees are not benificial to the cultivation of artificial forests.
分 类 号:S791.247[农业科学—林木遗传育种] S753[农业科学—林学]
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