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为提高人工林经营水平,加速商品材基地建设,我们对中条林局所属中村、大河、横河、端氏等林场的20余万亩人工林进行了实地考察,并就该局人工林应如何经营作了分析研究。一、人工林概况1949—1985年,全局累计造林和人工更新115万亩,实有人工林68.3万亩,总蓄积46.72万立方米。其中油松和华山松林占人工林总面积的92％(油松85.2％、华山松6.8％),其余依次为栓皮栎、侧柏、刺槐、漆树、辽东栎、白蜡及杨树。按造林年代计,50年代的有4万亩,60年代10万亩,
In order to improve the management of planted forests and accelerate the construction of commodity timber bases, we conducted a field survey of more than 20 million mu of plantations in the villages of Zhongcun, Dahe, Yokogawa and Duan, belonging to the Zhonglv Lin Forest Bureau. How to do business analysis. First, the overview of plantation 1949-1985, the overall cumulative afforestation and artificial regeneration of 115 mu, there are 683,000 mu of artificial forest, the total volume of 467,200 cubic meters. Pinus tabulaeformis and Pinus armandii forests accounted for 92% (85.2% of Pinus tabulaeformis and Pinus armandii) of the total plantation area, followed by Quercus variabilis, Platycladus orientalis, Robinia pseudoacacia, Lacquer tree, Quercus liaotungensis, Ash and Poplar. By afforestation age, the 50’s 40,000 acres, 10 acres of 60’s,