一、药剂选择 麦田化学除草通常是在小麦某生育阶段全田喷药,进行茎叶处理,药液不仅喷在杂草上,也同时接触到小麦,因此要严格选用对小麦具有较高选择性的除草剂,以达安全有效的除草目的。麦田常用的除草剂品种有苯磺隆、巨星、2,4—D丁酯、百草敌、2甲4氯钠等,可根据麦田杂草发生情况单项施用或合理混用。 二、除草时期 麦田化学除草的最佳时期 First, the chemical options Wheat field chemical weeding is usually sprayed throughout the field during a growing stage of wheat, stems and leaves treatment, the liquid sprayed not only on weeds, but also come into contact with wheat, it should be strictly selected with high selectivity to wheat Herbicide for safe and effective weeding purposes. Wheat herbicide commonly used varieties of tribenuron-methyl, giant star, 2,4-D butyl, paraquat enemy, 2 A 4 sodium chloride, etc., according to the incidence of weeds in the wheat single or reasonable mix. Second, weeding period wheat weeding best period