棉花是四川省的主要经济作物之一,棉花病虫害发生危害严重,是影响棉花产量的重要因素。该省针对棉田用药存在安全使用意识淡薄、高毒高残留农药使用频繁等问题,提出了以下对策:加强棉田安全用药宣传培训,增强农民安全用药意识;建立农药安全使用示范区,加强对农民用药的指导;开 Cotton is one of the major cash crops in Sichuan Province. The serious damage of cotton pests and diseases is an important factor affecting the cotton yield. The province for the use of cotton medicine there is weak awareness of the use of safe, high toxicity and high use of residual pesticides and other issues, put forward the following countermeasures: strengthen the cotton field safety drug publicity and training to enhance farmers awareness of safe drug use; establish pesticide safe use of the demonstration area to strengthen the use of peasants Guidance; open