通过对黑龙江省西南部地区连续３年的调查研究，明确了该地区及其主要县（市、区）的生态条件，果树栽培的主要种类、品种、面积、产量以及栽培管理状况。在调查研究的基础上，分析了高低产园形成的主要原因，提出了今后该地区果树发展与生产的具体对策 Through the investigation and study of the southwestern part of Heilongjiang Province for three consecutive years, the ecological conditions of the area and its major counties (cities and districts), the main types of cultivated fruit trees, the varieties, the area, the yield and the management of the cultivation and management were clarified. Based on the investigation and study, the main reason for the formation of high and low yield garden was analyzed and the concrete countermeasures for the development and production of fruit trees in this area were put forward