日本大府市的一位农民经过长年的实践摸索,总结出一套无农药或低农药防治蔬菜病虫害的措施,且取材经济实惠,操作简单。现将其中的一种方法介绍给大家。 选用2升食用米醋与200升水混合,然后取配好的米醋溶液洒在蔬菜叶片上,不一会儿,潜伏在菜叶上的小菜蛾、螟蛉等受到米醋溶液的刺激而从菜叶上掉下来。 如果仅仅喷洒的是一秀的水,害虫是不会从菜叶上掉下未的。然而喷洒米醋溶液后,害虫 A farmer in Japan’s Fuchu City, after years of practice, explored a set of pesticide-free or low-pest control measures for vegetable pests and diseases, and the material is economical and easy to operate. Now one of the methods introduced to you. Choose 2 liters of rice vinegar mixed with 200 liters of water, and then take a good vinegar solution sprinkled on the leaves of vegetables, and soon, lodged in the leaves of the diamondback moth, rice borer and other rice vinegar solution to stimulate and fall from the leaves. If only a show of water is sprayed, pests will not fall from the leaves. However, after spraying vinegar solution, pests