玉米是淄博市的主要粮食作物,近几年化学除草技术发展很快,除草面积逐年扩大,到去年为止,玉米地化学除草面积已达到种植面积的90%,但是由于除草剂品种(多为乙阿合剂)长期单一使用,杂草的抗药 Corn is the main grain crop in Zibo City. In recent years, the chemical weeding technology has developed rapidly and the weed area has been expanded year by year. As of last year, the area of ​​chemical weed control in corn has reached 90% of the acreage. However, due to the herbicide variety A mixture of agents) long-term single use, weed resistance