近年来,麦田硬草危害有加重趋势。要有效遏制麦田硬草蔓延,采取综合防除。 1、完善供种体系,实行统一供种,确保麦种中没有硬草种子。 2、规范硬草防除技术。根据天情、苗情、草情、墒情,采取适宜的防治方案。在麦子播后苗前化除为宜。如果播种期气温高,天气干旱,5天内无雨,每亩用50%乙草胺乳油50— In recent years, the harms of wheat field have a tendency of aggravating. To effectively curb the spread of hard wheat field, take comprehensive control. 1, improve the system for the species, the implementation of a unified supply, to ensure that there is no hard wheat seed in the seeds. 2, standard hard grass control technology. According to the days of love, Miao Qing, grass, moisture, to take appropriate control programs. Seedlings in the wheat before sowing is appropriate. If the sowing temperature is high, the weather is dry, no rain within 5 days, with 50% acetochlor EC 50-