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1985年,8511农场第九生产队试验小麦种拌硫酸铜100亩,亩增产27.4公斤,共增产2737.5公斤,扣除拌硫酸铜亩成本0.2元,每亩纯利9.52元,共增收952元.
In 1985, the ninth production team of 8511 farm experimented with 100 mu of copper sulfate mixed with 27.4 kilograms of mu of wheat and added a total of 2737.5 kilograms of wheat. After deducting 0.2 mu of copper sulphate, the net profit per mu was 9.52 yuan, a total increase of 952 yuan.