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食醋喷在蔬菜叶片上能增强蔬菜抗寒抗旱能力及防治病虫害,使蔬菜生长旺盛,增加产量,这是人所共知的。但在方法上值得注意几点: 1.蔬菜喷食醋宜早不宜迟。茄果类在定植后的1～2天喷第1次,以后每隔7～10天喷1次,连喷3～5次;番茄、黄瓜等果菜类,在开花前喷洒第1次,以后每隔7～10天再喷1次,共喷2～3次;其
Vinegar spray on the leaves of vegetables can enhance the ability of cold and drought resistance of vegetables and pests and diseases control, so that vigorous growth of vegetables, increase production, it is well known. However, the method is worth noting several points: 1. Vegetables vinegar vinegar should not be late. Solanaceous plants are sprayed for the first time 1 to 2 days after colonization, and every 7 to 10 days thereafter for spraying once or even for spraying 3 to 5 times. Fruits and vegetables such as tomatoes and cucumbers are sprayed for the first time before flowering Spray every 7 to 10 days 1, a total of 2 to 3 times spray;