无公害蔬菜 ,因其在生长过程中 ,不用农药或少用农药而深受广大消费者的青睐。但生产无公害蔬菜也会受到害虫、病菌的侵染 ,现介绍一些科学实用的防治病虫害的方法给大家。一、农业防治法1、注意调整播种期　错开作物的敏感生育期与害虫、病菌的发生高峰 ,以便减轻危害或不受害 Pollution-free vegetables, because of its growth process, no pesticides or pesticides and less by the vast number of consumers of all ages. However, the production of pollution-free vegetables will also be infected by pests and germs. We will now introduce some scientific and practical methods for pest and disease control to everyone. First, the agricultural control law 1, pay attention to adjust the sowing period staggered crop sensitive to the growth period and pests, the peak incidence of bacteria in order to reduce the harm or not to harm