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Non-pollution Vegetable Pest Control Technology
In the production of pollution-free vegetables, pests and diseases are unavoidable. First, we must start with the cultivation and management, and improve the health and disease resistance of vegetable crops through agronomic practices. First, the treatment of insects with vegetation ash liquid: per acre with 10 kg of plant ash immersed in water 50 kg soaked for 24 hours, take the filtrate spray can effectively control aphids, yellow pests. If the appropriate amount of trichlorfon is added to the grass ash liquid, the contact and fumigation of the liquid can be enhanced. If the onion, garlic, leeks are harmed by fly maggots, spreading 30 kg of plant ash per acre, both the treatment of maggots and increase production. The second is urine-washing mixture for cooking vegetables: The detergent is made of detergent powder, urea, and water at a ratio of 1:4:400. The control of radish sprouts is more than 90%. Third, the brown sugar liquid to prevent diseases: Take 300 grams of brown sugar dissolved in 500 ml of clean water, add 10 grams of yeast, placed in a greenhouse or greenhouse, stir once a day, fermentation for 15 to 20 days until the surface of the white layer, will This fermentation broth added 100 grams of rice vinegar and shochu, and weighed 100 kilograms of water. Once every 10 days, it was sprayed 4 to 5 times. There were special effects in preventing and treating cucumber bacterial leaf spot and gray mold. The fourth is DT fungicide to prevent and control diseases: To prevent and treat cucumber bacterial keratoses, spray DT fungicide 500 times before the onset or early onset, 75 kg per mu, spraying once every 10 days for 3 consecutive times. Prevention of Verticillium wilt on eggplant After the eggplant is planted and replenished, 250 g of liquid is used for 250 g, and once every 7 days, it is fed twice. Fifth, the anti-Kuting disease prevention and control: with anti-Kun Ning cabbage, pepper, tomato, celery, lettuce and melon wilt disease, leaf spot, blight and so on. More than 95% control effect. Spraying, irrigating, and soaking can all be used. Spray 20 kg per 20 ml of water and spray 3 times during the whole growth period. Irrigation can be diluted with 20 kg of water per 20 ml. Soak seed 15 kg per 20 ml of water, soak for 12 hours, remove and wash and dry after sowing. Sixthly, Caifengning is used to prevent and treat diseases: The medicine has a 90% control effect on soft rot of vegetables such as Chinese cabbage, potato and radish, and is generally sprayed on 1 bag per mu. Seventy-eight is pest control insects: The biological pesticide is highly effective and non-toxic. When used, 500 kg of water is mixed and 400 kg of water is sprayed. It can control Pieris rapae, Plutella xylostella, and its control effect is more than 95%. Eighty-nine insect pests were treated with liquid No. 6 of the bacterium of the genus Beetles: 25 ml per bottle and 500 times dilution, which can prevent and control pests of cabbage caterpillar, diamondback moth, aphid, and Spodoptera litura.