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我场位于四平地区东南70华里.现有天然次生林十万余亩,宜林荒山尚有两万余亩;以长白落叶松为主的人工林四万余亩.大面积天然次生林长势不好,林相很不整齐,经济价值较低,急等进行林分改造.从现有人工林生长情况来看,落叶松确是适地适树的优势树种.但由于连年来的自然灾害,落叶松的种子极为缺乏,远远满足不了造林的需要,而我场人工栽植的落叶松均为长白落叶松,该树的特点是生长快,抗病虫害
My field is located in Siping 70 southeast of the southeast of the existing natural secondary forest more than 100,000 acres, Yirin barren hills still have more than 20,000 acres; Larix principis-rupprechti plantation 40,000 acres of large-scale natural secondary forest poor growth, The forest is very irregular, low economic value, urgently for forest transformation from the existing growth of artificial forests point of view, larch is indeed a suitable tree species, but because of years of natural disasters, larch Seeds are extremely scarce, far can not meet the needs of afforestation, and I artificially planted larch are Changbai Larch, the tree is characterized by rapid growth, pest resistance