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1984年以来,彰武县柳河林场开始大面积营造杨树速生丰产林,4年共营造4881亩。据省、市、县主管部门检查,基本上达到速生丰产林标准。在实践中认识到,营造杨树速生丰产林,实行集约经营,关键在于搞好幼林管理,这是成林成材的基础。在幼林管理中,我们几年来采取用间种代替抚育的办法,把林地视为耕地管理。为探讨间种对林木生长发育的影响,1986年春在马尾工区进行了间种试验,试验地面积274亩。经过两年间种,取得了较好的效果,现总结如下。
Since 1984, the Liuhe Forest Farm in Zhangwu County has started to popularize the fast-growing and high-yield poplar trees on a large scale. In 4 years, a total area of 4881 mu will be built. According to provincial, city and county departments in charge of inspection, basically reached the standard of fast-growing and high yield forest. In practice, it is recognized that the key to establishing young fast-growing and high-yielding poplar forests with intensive management is to improve the management of young forests, which is the basis for the success of forests. In the management of young forests, we have adopted the practice of using alternative species for tending in recent years to regard forest land as cultivated land management. In order to explore the impact of interspecies on the growth and development of trees, an experiment was conducted in the spring of 1986 in the Mawei Autonomous Region, with an area of 274 mu. After two years of planting, achieved good results, are summarized as follows.