关键词: 草鱼, 草鱼, 杂交, 体质量, 生长性状, 协方差

Abstract: Environmental quality standard of pollution-free agricultural products are pollution-free agricultural products producing area as the basis, and the latter is the premise and foundation of product certification. Through the consult literature material, this paper from the standard category, the aspects of development, characteristic analysis, combed the environmental standard of planting pollution-free agricultural products of China''s development process and characteristics, discussed the environmental standard of China''s existing planting pollution-free agricultural products. Results showed that the planting industry in our country by the rapid development of environmental standard of pollution-free agricultural products. It experienced in number "from less to more, and then from more to less", in kind "from a single agriculture to agricultural product categories and then to comprehensive planting agricultural products" development course. It was starting in 2001, and the rapid development in 2002, and stable development from 2003 to 2014, and with standard integration in 2014 and 2015. Integration of environment standard of no set requirements for air environmental quality, the technical indicators includes only the irrigation water quality and soil quality. This paper also pointed out the advantages and main problems of the existing standard, the research results can provide the basis for the development of China''s pollution-free agricultural products.