农田化学除草已成为全球性现代化农业生产的重要组成部分。除草剂的长期和大面积使用给农民带来巨大好处,但杂草抗药性问题逐渐突出,而且滥用除草剂容易造成药害和环境污染。如何采取综合防治措施,优先发挥农业防治、生物防治等的作用,科学进行化学防治,以取得快速、高效与持续 Farmland chemical weeding has become an important part of the global modernization of agricultural production. The long-term and large-scale use of herbicides has brought great benefits to farmers, but the problem of resistance to weeds has gradually become prominent, and the abuse of herbicides is likely to cause injury and environmental pollution. How to take comprehensive prevention and control measures, give priority to the role of agricultural prevention and control, biological control and so on, and carry out chemical prevention and control in a scientific way so as to achieve rapid, efficient and sustainable development