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by 张华
基层农技推广, ISSN 2095-5049, 2016, Issue 10, pp. 98 - 100
<正>泗县位于安徽省东北部,辖15个乡镇、1个省级经济开发区,总面积1 787km2,耕地约170万亩,人口93.7万。全县农机总动力177万k... 
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