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目前北京市苹果品种单一,富士、国光等晚熟品种占苹果种植总面积的90%以上,成熟期集中在10月中旬以后,限制了苹果观光采摘经济的发展。为了
Currently, apple varieties in Beijing, such as Fuji, Guoguang and other late-maturing varieties account for more than 90% of the total area planted with apple. After the maturity period is concentrated in mid-October, the development of apple sightseeing and picking economy is limited. in order to