随着人民生活质量的不断提高,蔬菜的污染问题已引起全社会的关注,无公害蔬菜的研究与生产也日趋深入和广泛。无公害蔬菜也称无污染蔬菜,是指从生产到供应的过程中投有受到环境中有害物质的污染或有害物质残留量低于国家规定标准的蔬菜产品。日本、美国等经济发达国家着手无公害蔬菜研究较早,始于70 With the continuous improvement of people’s living quality, the pollution of vegetables has aroused the concern of the whole society. The research and production of pollution-free vegetables have also been deepening and extensive. Pollution-free vegetables, also known as non-polluting vegetables, refer to vegetable products that are contaminated or polluted by harmful substances in the environment from production to supply and whose residues are below the national standards. Japan, the United States and other economically developed countries started to study pollution-free vegetables earlier, beginning at 70