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梨树是我省主要果树之一。栽培面积达78万亩,常年产量六亿多斤。我省是我国鸭梨和雪花梨的重要出口基地。每年鸭梨的出口量占全国鸭梨出口总量的70％,深受国内外市场的欢迎。生产上存在的主要问题是,结果晚,单产低。平均亩产只有千斤左右,七、八年生的幼树亩产仅二、三百斤。为了解决这个问题,石家庄果树研究所的科学技术人员,在党的领导下,坚持毛主席的革命路线,排除刘少奇、林彪和“四人帮”修正主义路线的干扰破坏,
Pear is one of the main fruit trees in our province. Cultivation area of 780,000 mu, perennial output of 600 million kilosters. Our province is an important export base of China’s pear and snow pear. Yali pear exports each year accounted for 70% of the total export volume of pear, deeply welcomed by the domestic and foreign markets. The main problems in production are the late results and low yields. The average yield per kilogram only about seven or eight years of young trees per mu only two or three pounds. In order to solve this problem, under the leadership of the party, science and technology personnel of the Fruit Tree Research Institute in Shijiazhuang adhere to Chairman Mao’s revolutionary line and ruled out the interference and disruption of the revisionist line of Liu Shao-chi and Lin Biao and the "gang of four,