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据报道,英国1979年有5个农场,在60市亩左右的面积上,小麦获得亩产1,440斤的较高记录,较全国平均产量增加1.5倍以上,
It has been reported that in 1979, there were 5 farms in the United Kingdom and recorded a record high of 1,440 kg per mu at an area of 60 mu or so, 1.5 times more than the national average.