早春的蔬菜育苗或大、中、小棚蔬菜生产,采用电热加温提高了地温,对秧苗的生长发育有促进壮苗早发、加快生育进程的作用,不仅保障了蔬菜的安全生产,还促进了蔬菜的早熟、高产、增加经济效益。电热加温的设备简单,操作方便,加之用电时间是 Vegetable nurturing in early spring or large, medium and small shed vegetable production, the use of electric heating to increase the ground temperature, the growth and development of seedlings have to promote strong seedlings early onset, to speed up the process of childbirth, not only to ensure the safety of vegetables, but also to promote Premature vegetables, high yield, increase economic efficiency. Electric heating equipment is simple, easy to operate, combined with electricity time is