论文部分内容阅读
化学除草是实现农业四化的重要内容,可以促进农业机械化进程;节省劳力,加速农田水利化;增加施肥效益,提高农作物产量;也是促进农业全面发展的重要措施。化学除草剂中的三嗪类除草剂具有杀草谱广、高效、低毒、低残毒等优点。近几年来,国内外普遍重视这类除草剂的发展,如旱田用阿特拉津,西玛津,扑灭津;水田用扑草
Chemical weeding is an important part of agricultural modernization, which can promote the process of agricultural mechanization; save labor, accelerate the irrigation and water conservancy; increase fertilizer efficiency and increase the yield of crops; and also an important measure to promote the all-round development of agriculture. Triazine herbicides chemical herbicides with broad spectrum to kill grass, high efficiency, low toxicity, low residue and so on. In recent years, widespread attention has been paid to the development of such herbicides at home and abroad, such as atrazine, simazine and fenchin in paddy field;