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丰宁满族自治县2000年以来退耕还林、京津风沙源治理、千松坝造林、外援造林等一大批重点生态建设项目相继实施,已初步遏止沙化进程,有效地改善县域环境。林业工作者通过不断的钻研、实践,逐步提高林业建设中的科技含量,总结了以下五项营造防风固沙林技术经验:1 树种选择固沙造林应以乡土树种为主,因为乡土树种适应性强,
A large number of key ecological construction projects have been carried out in Fengning Manchu Autonomous County since 2000, such as returning farmland to forestry, harnessing the source of sandstorms in Beijing and Tianjin, afforestation of the Qiansongba site and afforestation of foreign aid, which have initially stopped the process of desertification and effectively improved the county environment. Through continual research and practice, forestry workers gradually improve the scientific and technological content in forestry construction, summed up the following five experiences in building windbreaks and sand-fixation forests: 1. Selection of tree species The main afforestation should be native tree species. Because of the adaptability of native tree species,