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安全农产品分为三个层次 :无公害农产品是第一层次 ;绿色食品是针对最终农产品而言的 ;有机食品则注重对整个生产过程的严格控制。无公害农产品是指产自良好生态环境 ,按照无公害农产品生产标准和操作规程进行生产或加工 ,农药、重金属、硝酸盐及激素等有害、有毒物质含量 (残?
Safe agricultural products are divided into three levels: pollution-free agricultural products is the first level; green food is for the final agricultural products; organic food is the emphasis on the entire production process of strict control. Pollution-free agricultural products are produced from good ecological environment, in accordance with the production standards and operating procedures of pollution-free agricultural products or processing, pesticides, heavy metals, nitrates and hormones and other harmful and toxic substances (residual?