元帅系苹果先割后剥效果好高盛繁姚焕瑜（滦县林业局）（滦县杨柳在镇林业站）环剥是初果期苹果树促成花、早丰产的一项关键性技术措施。然而在元帅系苹果树上应用却出现不少副作用，造成伤口愈合不完全，严重消弱树势，甚致完全不愈合，或导致死树。其原因有三：一是元帅... Marshal Department of Apple cut and strip after the first good effect Gao Sheng Fan Yao Huan Yu (Luanxian Forestry Bureau) (Luanxian Willow in the town of Forestry Station) Girdling apple tree early in the flowering, early yield a key technical measures. However, the application of Marshal in the apple tree, there are many side effects, resulting in incomplete wound healing, severely weakened tree vigor, or even completely heal, or cause dead trees. There are three reasons: First, Marshal ...