四、麦田杂草的防治及除草剂应用技术 1.稻麦轮作茬以禾本科杂草为主的麦田杂草防治。小麦播种前和小麦播后芽前,是小麦田杂草防治的一个重要时期,特别是对于稻麦轮作茬防除以看麦娘、硬草、罔草等禾本科杂草较多的麦田及北方野燕麦较多的麦田,在小麦播种期施药,往往可以达到很好的除草效果。 Fourth, the prevention and control of weeds in wheat field and herbicide application technology 1. Rice and wheat cropping weeds dominated the weed control weeds. Wheat sowing before and after sowing bud, wheat weed control is an important period, especially for rice and wheat crop stubble in order to see Ophiopogon, hard grass, grass and grass weeds more wheat fields and the north More wheat field of oats, wheat sowing application, often can achieve good weeding effect.