无公害蔬菜生产技术

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无公害蔬菜是指没有受到有害物质污染的蔬菜。当前无公害蔬菜的标准主要有三个，一是农药残留量不超标，即不能含有禁用的高毒农药，其他农药残留量不超过允许标准。二是硝酸盐含量不超标，硝酸盐含量不能超过标准允许

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