我国蔬菜田化学除草起步较迟,并且防除蔬菜田杂草的专门除草剂很少。目前应用于蔬菜田的绝大多数除草剂是用于小麦、玉米、大豆、棉花、水稻等主要农作物田,经试验后借用于蔬菜田的。因此,在不同条件下应用除草剂时,必须先开展试验、示范,然后再推广应用。由于蔬菜类别品种繁多 Our vegetable field chemical weeding started later, and very few specialized herbicides to control weeds in vegetable fields. At present, the vast majority of herbicides used in vegetable fields are used in fields of major crops such as wheat, corn, soybean, cotton, rice and the like, and are used in vegetable fields after being tested. Therefore, the application of herbicides under different conditions, we must first carry out experiments, demonstration, and then promote the use. Due to the wide variety of vegetables