论文部分内容阅读
总结三十多年来的工作,库布齐沙漠营造防风固沙林必须贯彻“因地制宜、因害设防、适地适树”的原则。根据沙丘类型,风沙流规律,土壤情况等,划分立地和造林类型。采取“封固造、乔灌草、带网片”.柑结合的方法逐步治理。适地适树的关键是树种选择。树种选择是防风固沙林成林成材,起到防护效益的首要一环。综合分析五十年代在沙带上建立的白土粱国营机械林场和盟机械化造林总场白泥井分场现有林为例。
Summing up the work for more than three decades, the principle of “adapting to the tree according to the local conditions, protecting the enemy’s fortifications and adapting to the trees” must be implemented in the desertification and afforestation in the Kuruqi Desert. According to the types of sand dunes, the laws of sand flow, soil conditions, etc., the site and the type of afforestation are divided. Take the “seal made, Joe shrubs, with mesh.” Kane combination of methods and gradually governance. The key to suitable tree is tree species selection. Tree species selection is a windbreak sand plantation into a timber, play a protective effect of the first ring. A comprehensive analysis was made of the existing forest of Baiqiliang State-owned Machinery Forest Farm and Union Mechanized Forestation Plantation Bai Shajing Sub-field established on the sand belt in the 1950s.