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1. The castor leaves will be crushed into fine powder. After soaking for 12 hours per kilogram of kenaf leaf powder plus 10 kilograms of water, the roots of the vegetables are poured using kettles and other utensils. It can prevent and cure pests such as leeks, cabbage caterpillars and leaf-eating bugs such as green onions, leeks, garlic, radishes and cabbage. 2. Plant ash Take 10 kg of plant ash to soak the water for 50 kg (667 m2) for 24 hours. Take the filtrate and spray the vegetables to effectively control the scallops. If onions, garlic, and leeks are affected by insects such as species flies and onion flies, 30 kg of plant ash can be applied or applied every 667 square meters, which can both cure pests and increase vegetable yield. 3.8010 Bacteria Flour This bacterium powder is highly effective and non-toxic. Spraying vegetables with 500 times liquid can control vegetable pests such as Pieris rapae and Plutella xylostella. The control effect is over 95%. 4. The rabbit feces liquid plus 1 kg of rabbit feces per 10 kg of water is sealed in a porcelain jar for half a month. The mixture is stirred evenly, and then it is poured on the roots of the vegetables and watered once every 7 days for two consecutive times. Can effectively control underground tigers, earthworms and other underground pests. 5. Take fresh tobacco stems or tobacco chopped, according to the ratio of 1:40 on the water, boiled for 1 hour, cool filtered, take the filtrate spray vegetables, spray 75 kg per 667 square meters. It can control pests of vegetables, cabbage caterpillars, leaf-eating insects, etc. The control effect can reach more than 97%. 6. The pig bile fluid takes 10% concentration of pig bile fluid plus appropriate amount of baking soda or neutral washing powder to spray the vegetables. It can effectively control eggplant blight, pepper anthracnose, etc., and can drive out locusts and melon locusts. Pieris, snails and other pests. Dilutions can be maintained for 10 days without failure. 7. Urine washing mixture washing powder, urea, water in a ratio of 1:4:400 formulated into water sprayed vegetables. It can control vegetables, cabbage caterpillars and so on, killing more than 90%. 8.DT fungicides control cucumber bacterial keratopathies, spray DT fungicide 500 times before the onset or early onset, use 75 kg per 667 square meters, spray once every 7 days, 2 times in succession; Eggplant Verticillium wilt, after the eggplant colonizes and returns to green, until the onset, the root is sterilized with DT fungicide 300 times 250 g, every 7 days, 1 time, 2 times in succession; Prevention of pepper scab, every 667 square meters in the early stage of disease. Use DT fungicide 50 times liquid 50 kg spray, spray once every 7 days, even spray 2 times.