施用技术防除对象三氮苯类除草剂主要防除一年生杂草和用种子繁殖的多年生杂草。在一年生杂草中,它们防除双子叶杂草优于禾本科杂草。主要杀伤杂草幼芽,故应在作物种植后、杂草萌芽前施用。有些品种的除草剂虽然也可在苗后施用,但应在杂草幼龄阶段用药。 The application of technology to control the object of triazine benzene herbicides mainly to control annual weeds and seed propagation of perennial weeds. Among annual weeds, they control dicotyledonous weeds better than grass weeds. The main kill weeds sprouts, it should be crop planting, weeds sprout before application. Some varieties of herbicides, although they can also be applied in the post-emergence, but should weed young stage medication.