苹果幼树的环剥和环割李继文环剥、环割是促进苹果幼树花芽形成、抑制过旺生长、促进发枝、提高坐果率及克服适龄树不结果现象的一项有效技术，也是增加苹果产量的关键措施之一。根据我多年来苹果高产栽培的经验，应用这一新技术应抓好以下四个方面。一、环剥、环割方法环... Girdling and ring cutting of apple tree Li Jiwen Girdling and ring cutting are an effective technique to promote the formation of flower buds of young apple trees, restrain excessive growth, promote shoot growth, increase fruit setting rate and overcome the unfavorable phenomenon of tree age. Apple production is one of the key measures. According to my years of high-yield apple cultivation experience, the application of this new technology should do a good job in the following four aspects. First, girdling, ring cutting method ring ...