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为了总结我省发展杨树丰产林的经验,提高其营造技术,使今后获得更大的经济效益,我们在省厅的组织和有关地(市)、县的配合下,于1984年6月4日至25日,在夏县、临汾、屯留,祁县、怀仁等五个县(市)的十三个公社十七个大队及夏县、怀仁县苗圃、金沙滩、祁县国营林场,雁北林科所等,对丰产林进行了一次比较全面的考察。考察中,我们采取实地测量和访问座谈相结合的方法,对不同类型、不同气候、不同土壤、不同品种、不同密度、不同间作、
In order to summarize the experience of developing poplar-rich forests in our province and to improve its technology and make greater economic benefits in the future, we cooperated with relevant departments (cities) and counties in June 1984 From January 25 to January 25, 17 brigades of 13 communes in Xiaxian County, Linfen City, Tunliu County, Qixian County and Huairen County together with Xiaxian County, Huairen County Nursery, Jinshatan and Qixian State-owned Forest farms, Yanbei Forestry Branch, etc., on a more comprehensive survey of high yield forest. During the investigation, we adopted a combination of field measurements and interviews to discuss the effects of different types of climates, different climates, different soils, different varieties, different densities, intercropping,