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1965年虎峯实验林场对一片林龄为19—25年生的次生林,进行了全面综合经营。一年来共完成抚育采伐面积129公顷,林中空地及疏林地补植面积77公顷,共出材2,171立方米。经营这片次生林的技术措施,是根据下列三个原则确定的:1.既考虑了目前利益,也考虑了长远利益。如在这片次生林中是依据一山一沟由近及远的经营原则,开展经营活动的。这样既发挥了目前经营上的有利条件,也给以后的经营及主伐利用奠定
In 1965, Hufeng Experimental Forest Farm conducted a comprehensive and comprehensive management of a secondary forest aged 19-25 years old. Over the past year, a total of 129 hectares of tending and logging areas have been completed and 77 hectares of planted open areas and open forests have been planted with a total of 2,171 cubic meters of timber. The technical measures for managing this piece of secondary forest are determined on the basis of the following three principles: 1. Both current and considered long-term interests are taken into account. As in this piece of secondary forest is based on a mountain near a distance and ditch management principles, to carry out business activities. This will not only give play to the favorable conditions currently in operation, but also lay the foundation for future operations and use of main cutting