一、无公害蔬菜生产的施肥技术１、无公害蔬菜生产的施肥原则无公害蔬菜生产要掌握以有机肥为主，其它肥料为辅；以施底肥为主，追肥为辅的施肥原则。尽量减少和限制化肥的施用量，不使用硝态氮肥，化肥与有机肥配合施用，少用叶面肥。２、无公害蔬菜施用的肥料种类蔬菜中有害 First, pollution-free vegetable production fertilization technology 1, the principle of pollution-free vegetable production of fertilizers pollution-free vegetable production to master the main organic fertilizer, supplemented by other fertilizers; to base fertilizer, supplemented by top dressing fertilization principles. Minimize and limit the amount of fertilizer application, do not use nitrate nitrogen fertilizer, fertilizer and organic fertilizer with the application of foliar fertilizer. 2, pollution-free vegetables, the type of fertilizer used in vegetables harmful