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1. Plant or low toxicity drug control method
1. Peach leaves are treated with 5 kg of peach leaves, 50 g of quicklime, 75 kg of water, soaked for 24 hours, and evenly sprayed after filtration. This method can not only control vegetable mites, but also treat bed bugs and fleas in animal houses.
2. Capsicum juice treatment of aphids, leaf curlers with pepper 0.5 kg smashed, add water 30 kg, soak for 24 hours, filter and spray evenly.
3. Wild scorpion liquid treatment of mites, red spiders with wild scorpion 0.5 kg plus water 10 kg, soak for 10 minutes, filtered and evenly sprayed.
4. Washing powder treatment of aphids, red spiders sprayed with 1% neutral detergent powder.
5. Tobacco powder is used to treat vegetables and yellow fleas. The tobacco is ground into fine powder and a small amount of lime powder is added for application.
6. Fresh bovine urinary treatment of aphids with 30 kg of fresh bovine urine and 30 kg of water. From 8 am to 6 pm, the urine is evenly sprayed on the back of the plants. After 24 hours, the cockroach effect More than 90%.
Second, the protection and utilization of natural enemy prevention and control law
Spiders, ladybugs, crickets, locusts, walking insects, frogs, bats, swallows, geckos and parasitic wasps are all "busters" of various pests and should be protected and utilized.
Third, interplant repellent method
Some plant secretions have a repellent effect on certain pests or germs. The purpose of controlling pests and diseases can be achieved by means of mixed or intercropping. For example, Chinese cabbage and other cruciferous vegetables and lettuce or mint intercropping can repel the cabbage and rapeseed intercropping, can repel the rapeseed; garlic and cotton intercropping, can avoid cotton aphid; tomato and cabbage intercropping, can be repelled Cabbage pests; onion and pea intercropping, can prevent pea black spot disease; amaranth and Chinese cabbage intercropping, can prevent soft rot of Chinese cabbage.
Fourth, the method of killing
Some pests have phototaxis, while some pests are proficient, like sugar, vinegar, wine, and weeds. They can use the habits of pests to trap. For example, installing black light, high-pressure mercury lamps and vibrating insect-killing lamps on fish ponds can turn a large number of pests into fish feed; use weeds to trap and kill cockroaches; use sugar, vinegar and wine to kill tigers; Planting several castor in peanut fields can cause the scarab to be poisoned by feeding on the stems and leaves of the castor. 
In the production of vegetables, when pesticides are used to control vegetable pests and diseases, they must be cautious. If they are slightly negligent, they will cause environmental pollution and even endanger the safety of people, livestock and poultry. The following eight methods for pollution prevention and control of pests and diseases are introduced, which are used for the prevention and control of vegetable farmers.
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