论文部分内容阅读
苹果幼苗栽植后的第一剪子短截,称为“定干”,其剪留长度称为“定干高度”,第一主枝到地面的距离,称为“干高”。高定干系指定干高度在1米以上;低选枝系指从距地面40厘米开始选留主枝。过去栽植的苹果
The cuttings of the first scissors after the apple seedlings are planted are called “fixed dry”. The length of the cuttings is called “fixed dry height”. The distance from the first main branch to the ground is called “dry high”. High dry-line specified dry height of more than 1 m; low pick from the ground means 40 cm from the ground to choose to stay main branch. Apple planted in the past