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苏联每年梨的产量波动在50~60万吨,根据建议,梨的需要标准每年每个居民必须达到3—5公斤,和考虑到居民增长的需求,到2000年,计划梨的产量应达到120万吨。梨在我国果园结构中所占的比重:1945年占8.2%,1952年占9%,1962年占9.2%,1970年占5.9%,1984年占4.7%。全苏米丘林果树栽培研究所建议(1990年)达到8.0%。
The annual output of pear in the USSR fluctuates between 500 and 600,000 tons. According to the recommendations, the standard of pears needs to reach 3-5 kg per resident per year. Taking into account the needs of residents’ growth, by the year 2000, the planned output of pear should reach 120 Tons of tons. The proportion of pears in China’s orchard structure is 8.2% in 1945, 9% in 1952, 9.2% in 1962, 5.9% in 1970 and 4.7% in 1984. The National Institute of Fruit Cultivation of Suqiuqiu recommended (1990) reached 8.0%.