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安徽省旌德县自上世纪80年代以来人工营造的杉木林,现多数已经进入成熟采伐期,为了适应新的历史时期林业发展形式,增加林农经济收入,选用何种树种对杉木迹地进行更新,以营造高效速生丰产林,是我们林业工作者首要考虑的课题。2004年3月,在安徽省黄山市林科所林业专家的指导下,笔者选择了杉木采伐迹地进行了4种速生阔叶树种造林更新对比试验,现将试验情况整理如下,以飨读者。
Most of the Chinese fir plantations constructed in Jingde County, Anhui Province since the 1980s have now entered mature logging. In order to adapt to the new forms of forestry development during the historical period, increase economic incomes of forest farmers and choose which tree species to update the Chinese fir land, In order to create a high-yielding fast-growing and high-yielding forest, it is a top priority for our forestry workers. In March 2004, under the guidance of forestry experts from Linke Institute of Huangshan City, Anhui Province, the author chose comparative experiments on afforestation of four species of fast growing broad-leaved trees by selecting the deciduous cedar logs. The experiment is summarized as follows.