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无公害蔬菜生产是以农业防治为基础，优先使用生物农药、协调应用化学防治和其它防治技术，把病虫为害控制在经济允许水平以下，并使蔬菜中的农药残留低于国家规定的标准。（一）农业防治通过选用抗病虫的品种，采取健身栽培、合理轮作等一套农业措施，提高蔬菜抗逆性，减轻病
The production of pollution-free vegetables is based on agricultural control, giving priority to the use of biological pesticides, coordinating the application of chemical prevention and control and other prevention and control technologies, controlling pests and diseases below the economic allowable level, and causing pesticide residues in vegetables to fall below the national standards. (A) Prevention and Control of Agriculture Through the selection of pest-resistant varieties, a set of agricultural measures such as fitness cultivation and reasonable rotation are adopted to improve the resistance of vegetables and reduce the incidence of disease