食醋中不仅含有大量醋酸,而且含有其它有机酸、无机盐和多种氨基酸,易被白菜吸收利用,因此,白菜叶面喷食醋具有良好的效果:1.增加营养,提高光合效率,促进新陈代谢活动,提高白菜的吸收能力和抗逆性,不仅起到增产作用,而且无公害,安全可靠。 2.防治病虫害。大白菜喷施醋液后,能有效防治软腐病等细菌性病害 Vinegar not only contains a lot of acetic acid, but also contains other organic acids, inorganic salts and a variety of amino acids, easily absorbed by cabbage, cabbage foliar spray vinegar has good results: 1. To increase nutrition and improve photosynthetic efficiency and promote Metabolic activities to improve the absorption capacity and stress resistance of cabbage, not only play an increasing role, and pollution-free, safe and reliable. 2 control pests and diseases. Cabbage spray vinegar, can effectively control the soft rot and other bacterial diseases