使用高效低毒农药防治病虫害,是我国农药发展的方向。我国过去使用“■力散”拌种,对防治农作物病虫害起到一定的作用。但 The use of high efficiency and low toxicity pesticides to control pests and diseases is the direction of the development of pesticides in China. In the past, China used “Sili Powder” seed dressing, which played a role in the prevention and control of crop pests and diseases. but