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为加速我国矮化苹果的发展,充分发挥苹果生产的潜力,提高苹果的产量、质量,全国农业技术推广总站于1987年5月5日～8日,在山东省文登县主持召开了全国矮化苹果开发协作会。参加会议的有山东、辽宁、陕西、河南、河北、甘肃、北京、天津、江苏、安徽和湖北等十一
In order to accelerate the development of dwarf apple in China, give full play to the potential of apple production and improve the output and quality of apple, National Agricultural Technology Extension Station hosted the national dwarfing in Wendeng County, Shandong Province from May 5 to 8, 1987 Apple Development Collaboration. Participants in the meeting were Shandong Province, Liaoning Province, Shaanxi Province, Henan Province, Hebei Province, Gansu Province, Beijing Municipality, Tianjin Municipality, Jiangsu Province, Anhui Province and Hubei Municipality