我国自古以来便是以农业大国,随着农业不断发展,其杂草问题备受关注。杂草作为一种野生植物,其生长速度快、繁殖能力强、生活周期一般都比农作物短,而成熟的种子更是随熟随落,抗逆性强。而对于农田杂草化学防治,大体可以分成三大类:农业防治(在不用药物的前提下对农作物进行防治)、物理防治(利用简单劳作工具和各种物理方式对农作物进行防治)以及化学防治(用化学药剂对农作物进行防治)。而本文针对化学防治展开论述,以供相关人员参考。 Since ancient times, China has been a big agricultural country. As agriculture continues to develop, its weed issue has drawn much attention. Weeds as a wild plant, its growth rate, reproductive ability, life cycle is generally shorter than the crop, and mature seeds are more with the drop, strong resistance. As for the chemical control of farmland weeds, they can be divided into three broad categories: agricultural prevention and control (preventing and controlling crops without drugs), physical prevention and control (using simple working tools and various physical methods to prevent and control crops), and chemical control (Chemical control of crops). This article discusses the chemical control, for the reference of relevant personnel.