七十年代以来,M、MM系苹果矮化砧木在我省得到较广泛的推广,涌现出不少取得早果丰产效果的矮密果园,但面积较大的矮密果园尚较少。为摸索利用M、MM系砧木进行密植栽培的丰产经验,我们于1976—1977年在祁县官厂村栽植了近百亩果园,经过综合管理,取得了比较理想的 Since the seventies, M, MM Department of apple dwarfing rootstocks in our province to be more widely promoted, emerged a lot of fruit yield early fruit yield short orchards, but the larger the short dense orchard is still less. In order to explore the use of M, MM Department of rootstocks for close planting cultivation experience, we 1976 to 1977 in Qi County, the official plant village planted nearly acres of orchards, after comprehensive management, and achieved relatively good