First, sour vinegar sprayed on vegetables, can improve the utilization of light energy, increase production and improve quality. Vegetables especially like to eat "acid." Solanaceous vegetables start from 1 to 2 days after colonization, spraying once every 7 to 10 days, and spraying 3 to 5 times 300 times vinegar solution, which has better control effect on tomato and pepper virus diseases. , Tomato can increase production by 10% to 34%, pepper, eggplant can increase production by more than 8%. Before cucumbers bloom and bear fruits, they use 0.5 kg of vinegar per mu and spray 50 kg of water to increase production by 18% to 20%. In the five leaves of Chinese cabbage, with 200 times vinegar solution, spray once a week, even spray four times, can increase production by more than 10%, and can effectively prevent soft rot. Using this method to spray spinach, water spinach, watermelon, pumpkin, potato, from the seedling stage, spraying once every 5 days, and even spray 2 to 3 times 300 times vinegar, the effect of increasing production are very obvious. Second, sweet sugar on the vegetables can not only make foliar fertilizer, but also can be used to control some diseases. Spraying 0.2% sugar in the cucumber seedling stage can make the seedling thick and enhance the plant's resistance to downy mildew. Sprayed once during the melon period, the melon strips have a particularly good taste. Spraying cucumber with 1% sugar solution can also prevent viral diseases. Spraying 0.75% of sugar solution and 0.2%-0.3% of urea mixed solution as foliar fertilizer during tomato fruit setting can make flower bud hypertrophy and flower head thick. When the pods are used, such as leaf shrinkage caused by large concentrations of hormones, even spraying 2 to 3 times 0.5% to 0.7% of the sugar can make it as soon as possible to restore vitality. Spraying 0.2% to 0.5% of sugar solution at the time of freezing injury can significantly reduce the incidence of tomato disease. In the watermelon enlargement period, spraying the leaves with 300-fold diluted sugar solution 2 or 3 times or rooting 2 to 3 times can increase the sweetness of the watermelon.
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