一、“矮、密、早”是果树发展的需要 近二十多年来的果树栽培事业,在世界上发展非常迅猛,其革新的主要中心技术措施是“矮、密、早”。据美国统计:若将每亩6785斤产量提高到13570斤的水平,则26英亩的纯收益,就可相当于未提高前的200英亩的纯收益。因此,欧美各国在近些年,对矮化果树的 First, the “short, dense and early” is the fruit tree development needs Nearly 20 years of fruit cultivation, the development in the world is very rapid, and its innovation is the main center of technical measures is “short, dense and early.” According to U.S. statistics, if the output of 6785 kg per mu is raised to the level of 13,570 kg, the net income of 26 acres can be equivalent to the net income of 200 acres before the increase. Therefore, all countries in Europe and the United States in recent years, dwarfed fruit trees