目前，我省红富士苹果矮化栽培密度每亩43～83株，普遍选用的树型是自由纺锤形，该树型具有适于密植、结构简单、树冠小、通风透光、易管理，早果、优质、丰产之优点，其冬季整形修剪技术要点如下。一、树体结构及特征主干高50厘米，树高2.5-3米，冠幅2-3米，全树着生8～13个骨 At present, the planting density of Red Fuji apple in our province ranges from 43 to 83 plants per acre. The commonly used tree type is free spindle, which is suitable for dense planting, simple structure, small canopy, ventilation and light, easy management, Fruit, high-quality, high yield advantages, the winter plastic pruning techniques are as follows. First, the tree structure and characteristics of the trunk height of 50 cm, tree height 2.5-3 m, crown width of 2-3 meters, the whole tree with 8 to 13 bones