【摘要】 苹果在天水农业产业结构中占有十分重要的地位，受树龄老化、品种退化、栽培模式落后等因素影响，近年来传统的乔化老果园所产苹果品质下降、效益下滑。针对天水地区老旧苹果园果品品质下降和效益下滑的问题，提出了采用立柱式矮砧密植模式进行改造建园的关键技术，包括园地选择、品种和砧木选择、土壤改良、栽植技术、支架系统建立等，以期为天水地区苹果产业的可持续发展提供有效的技术路径。更多还原

【Abstract】 Apple plays a very important role in the agricultural industrial structure of Tianshui.In recent years, the quality and benefit of the traditional old orchards have declined due to the aging of trees, the degradation of varieties and the backward cultivation mode. Aiming at the problems of quality decline and benefit decline of old apple orchards in Tianshui area, the key techniques of reconstruction and construction of orchards by using column-type dwarf rootstock close planting modewere expounded, including orchard site selection, cultivar and rootstock selection, soil improvement, planting technology, support system establishment, etc. in order to provide an effective technical path for the sustainable development of apple industry in Tianshui area.更多还原