杨树是呼市地区营造速生用材林、农田防护林的主要树种,它具有速生优质、适应性、强、用途广、易于繁殖、成活力高、见效快、轮伐期短的特点,深受群众喜爱。因此,为了加快绿化步伐,改造农牧业不良的生产条件,尽快地适应国家和人民对木材日益增长的需要,必须重视、抓好杨树的集约经营工作。但是,目前仍处于粗放经营阶段,存在的问题很多,特别在杨树修枝上存在的问题严重。主要表现在修枝强度大,不能循序渐进,只修下层 Poplar is a major tree species growing fast-growing timber and farmland shelterbelt in Hohhot, which has the characteristics of fast growing, high quality, adaptability, strong use, wide use, easy breeding, high viability, quick response and short rotation. . Therefore, in order to speed up the pace of afforestation, transform the poor production conditions of agriculture and animal husbandry, adapt to the growing needs of the country and the people as quickly as possible, we must attach importance to and do a good job of poplar intensive management. However, it is still in a period of extensive operation and there are many problems. In particular, there are serious problems with poplar prunings. Mainly in the pruning strength, can not be gradual, only to repair the lower