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为提高四平地区大面积针叶树造林质量,吉林省林学会组织四平地区各县技术骨干13人,于1986年6月赴河北省塞罕坝机械林场考察了该场大面积营造落叶松人工林的经验。现将其结果汇报如下:
In order to improve the afforestation quality of large area coniferous trees in Siping, Jilin Forestry Association organized 13 technicians in all counties in Siping, and went to the Saihanba Machinery Forest Farm in Hebei Province in June 1986 to inspect the experience of large-scale construction of Larix gmelinii plantation . The results are reported as follows: