【摘要】 针对陕西省酸樱桃低产园存在的建园密度大、管理粗放、产量低、效益差等问题，通过密度调整、树体改造、土水肥管理、病虫害防治等技术措施，进行酸樱桃低产园改造配套技术研究。结果表明：通过密度调整、树体改造等措施，果园通风透光条件大为改善，通过强化土肥水管理、修剪促花、病虫害防治等措施，提高了园区结实坐果率。改造第3年产量较对照提高了50.7%,达到提高酸樱桃产量和质量的目的，效果显著。更多还原

【Abstract】 In light of the existing problems with low yield of sour cherry orchard in Shaanxi Province, such as the high planting density, crude management and poor quality, countermeasures for improvement were put forward, like density adjustment, tree-form modification, soil water and fertilizer management, flower and fruit management, pest control and so on. The results showed that the yield was increased by 50.7% in the third year, and the yield and quality of sour cherry were improved significantly.更多还原