近年来,由于蔬菜生产中化肥的超量使用,造成蔬菜产品中有害物质大量积累,严重影响到人民群众的身体健康。因此,蔬菜生产必须向无公害方向发展,以确保蔬菜中硝酸盐及其它有害物质的含量不超标。下面就无公害蔬菜生产中的施肥技术做一简要介绍。1.无公害蔬菜生产的肥料种类无公害 In recent years, excessive use of chemical fertilizers in vegetable production has resulted in a large accumulation of harmful substances in vegetable products, seriously affecting the health of the general public. Therefore, vegetable production must be developed toward pollution-free direction to ensure that the content of nitrate and other harmful substances in vegetables does not exceed the standard. The following pollution-free vegetable production in fertilizer technology to make a brief introduction. 1. Pollution-free types of fertilizers produced by vegetables