近几年,麦蒿一年比一年增多,严重地与小麦争肥、争水、争光,影响了小麦产量。 为了除治麦蒿,推广了麦田除草剂2.4—D丁脂除治麦田杂草,除草效果达95％—100％,为广大群众解除了锄草或拔除麦蒿的繁重劳动。但是,我们也发现,使用了除草剂的麦田,不同程度地造成了减产,一般减产15％—20％。喷施除草剂的麦田,与不使用除草剂(人工拔除了 In recent years, wheat straw increased year after year, and serious fight with wheat fat, water, glory, affecting wheat yield. In addition to the rule of Artemisia, promoting the wheat field weed killer 2.4-D butyl wheat weeds, herbicidal effect of 95% -100%, lifting the majority of people weeding or removal of the heavy labor of Artemisia. However, we also found that wheat fields using herbicides resulted in different degrees of yield reduction, with a general reduction of 15-20%. Spraying herbicide in wheat fields with and without herbicide (manual unplugged