结合东北地区实际情况,略谈提高半山区宜林荒山造林成活率技术措施,仅供参考。一、树种选择本着“适地适树”的原则,选择抗逆性强、适应性广、具有较好经济价值的樟子松、落叶松、杨树、柳树、蒙古柞、沙棘、胡枝子等乔木、灌木树种。二、造林地清理造林前要进行造林地清理。清 Combined with the actual situation in Northeast China, a brief talk on improving semi-mountain forests Afforestation Afforestation technology measures for reference purposes only. First, the choice of species In the “suitable tree” principle, select strong resistance, wide adaptability, has good economic value of Pinus sylvestris, larch, poplar, willow, Mongolia oak, seabuckthorn, Lespedeza Other trees, shrubs species. Second, afforestation land afforestation to clean up before afforestation. clear