【摘要】 麦田杂草不仅种类多而且适应性广、抗逆性强。严重威胁着大、小麦生产。麦田化学除草，首先要正确选用对口除草剂品种，提高整地和施药质量。更多还原

【Abstract】 he various weeds which have very strong adaptability to adverse envirenment are threatening the production of wheat and barley. For control the weeds of wheat and barley field, it is essential to select herbicides and to improve field condition and application.更多还原