我国苹果矮化密植栽培的发展历史,大体分为三个阶段。解放以前。在个体经济的基础上,农民为了尽快地获得收益,很早就采取了密植的办法(如山东的福山和崂山县),但当时栽培的范围不大。建国以来,通过总结群众经验,明确了密植的增产效果, 19 60年前后各地建立了不少的密植试验园, The development history of apple dwarfing close planting cultivation in our country can be roughly divided into three stages. Before liberation On the basis of individual economy, peasants have long adopted close planting methods (such as Fukuyama and Laoshan prefectures in Shandong) in order to reap the benefits as soon as possible, but cultivation was not extensive at that time. Since the founding of the People’s Republic, through summing up the masses’ experiences, the effect of intensive planting has been clearly defined. Many well-established test parks have been established around 1960,