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为选择适于承德县四合永林场造林的主要树种,进行了树种生长情况对比调查。调查地点设在围场县四合永林场二道川作业区马连道14/91小班。调查树种为10a生落叶松,目前生长均好,但明显看出日本落叶松比华北落叶松生长快,成才早。在当地应大力发展日本落叶松人工林。
In order to select the suitable main tree species for afforestation in Sihe Yonglin Farm of Chengde County, the comparative investigation of tree species growth was carried out. The investigation site was located in 14/91 small section of Malian Road, Erdaochuan operation area, Yonghe Farm, Sanhe, Weichang County. The investigation of species larch 10 a, the current growth are good, but it is clear that Japanese larch growth faster than Larix principis-rupprechtii, early success. In the local development of Japanese larch plantations should be vigorously promoted.