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无公害农产品生产,并非不施用化学农药,化学农药是防治病虫害的有效手段,特别是病害流行、虫害暴发时更是有效的防治措施,关键是如何科学合理地加以使用,既要防治病虫危害,又要减少污染,使上市蔬菜中的农药残留量控制在允许的范围内,这就要求采取综合防治措施。综合防治措施包括合理地的栽培技术、减少、避开病虫害发生的条件,合理使用农药,对症下药,采取合理施药技术等等,同时也包括采用高效、
The production of pollution-free agricultural products is not without chemical pesticides. Chemical pesticides are effective measures to prevent pests. Especially when the diseases are epidemic, pest outbreaks are more effective prevention and control measures. The key is how to use it scientifically and reasonably, so it is necessary to prevent pests and diseases , But also to reduce pollution so that the listed pesticide residues in vegetables within the allowable range, which requires the adoption of comprehensive prevention and control measures. Comprehensive prevention and control measures include reasonable cultivation techniques, reducing and avoiding the occurrence of pests and diseases, rational use of pesticides, remedial measures, adopting reasonable application techniques, etc., and also include adopting efficient,