优质蔬菜,要有优良的品质,其中卫生品质也是一个重要因素。近年来,由于蔬菜病虫危害猖獗,很多菜农大量使用化学农药防治,一季蔬菜用药3～5次,甚至先天打药,第二天即采收上市的,中毒事故时有发生。因此,生产包括符合卫生品质的优质高产蔬菜,必须实行保健栽培措施。 1.选用抗性品种 如目前种 High-quality vegetables, have good quality, of which health quality is also an important factor. In recent years, due to rampant pests and diseases of vegetables, many vegetable farmers use chemical pesticides to prevent and control a large number of vegetables in a season 3 to 5 times, or even natural medicine, the second day of the market, poisoning occurs from time to time. Therefore, the production of high-quality, high-quality vegetables that meet hygienic standards must be practiced in health care. 1. Selection of resistant varieties such as the current species