近年来,随着蔬菜生产的不断发展,蔬菜保护地生产在蔬菜周年生产中的作用越来越突出,同时,在施肥中出现的问题,也越来越引起人们的重视。进行“两高一优”蔬菜生产,必须重视施肥问题。1 有机肥料要充分腐熟,化学肥料要选择适当种类,防止气体危害 保护地经常处于比较密闭的 In recent years, with the continuous development of vegetable production, the role of vegetable production in annual production of vegetables has become more and more prominent. At the same time, the problems in fertilization have drawn more and more attention. For “two high and one excellent” vegetable production, we must attach importance to fertilizer problems. 1 organic fertilizer should be fully matured, chemical fertilizers to choose the appropriate species to prevent gas hazards often in a more confidential protected