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化学除草是农田草害综合防治中的重要手段之一，为降低农田杂草危害和保障作物安全生长发挥了重要作用。由于田间杂草具有种群数量大，适应性广，生命力强的特点，给化除工作带来了复杂性，因此必须正确使用除草剂才能使除草剂的药效得到充分发挥，才能获得较好的化除效果和经?
Chemical weeding is one of the most important means of comprehensive prevention and control of farmland weeds, which plays an important role in reducing the harm of farmland weeds and ensuring the safe growth of crops. Due to the large population, wide adaptability and strong vitality of weeds in the field, it brings complexity to the chemical removal work. Therefore, we must correctly use the herbicides to make the herbicides get the full effect in order to get better In addition to the effect and by?