红富士苹果引入我国后,因其产量高、品质优而深受广大果农的喜爱,各地栽植红富士的积极性很高。据1989年统计,我国栽植红富士苹果的面积已达310万亩,各地的栽植密度大部分为亩栽27—44株,过去生产上一直采用的大冠稀植树形已不再适应,给整形修剪带来一些困难。国外一些国家利用矮 After the introduction of Red Fuji apple into our country, because of its high yield, excellent quality and deeply loved by the majority of farmers, planting red Fuji highly motivated. According to the statistics of 1989, the area of ​​planted Red Fuji apple in our country has reached 310 million mu. Most of the planting density in various places is 27-44 mu. In the past, the crown has been used to replace the tree, Pruning brings some difficulties. Some foreign countries to use short