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How to make homemade biological insecticides for household flower growing?
For household flower growing, if you cannot buy pesticides, you can make your own pesticides, which also have good control effects on several common pests and some diseases on flowers. (1) Tobacco water: take 50 g of tobacco leaves (if using tobacco stems, tobacco veins, or cigarettes, double the amount), add about 1500 g of clean water, and soak for a day and a night.