Baking soda formulation. Using a 0.2% solution of baking soda (sodium bicarbonate) to control powdery mildew, anthracnose, downy mildew, and grey mold of cowpea and Chinese cabbage. Potassium permanganate preparations. With 0.2% potassium permanganate dilution can control melon powdery mildew, usually 5 to 6 days spray 1, even spray 2 to 3 times, the effect is not worse than the powder rust. After eggplant is transplanted live, spraying 800 times potassium permanganate solution can control the knock-out of eggplant fruit. Insect preparations. The corpses of cabbage caterpillars, armyworms, cotton bollworms and ground tigers were collected and mashed into pulp. Every 100 grams of pulp plus a small amount of water, soaked for 24 hours, filter out the worm fluid, and then against the 50 kg of water, add 50 grams of washing powder and stir evenly to make the liquid. Using these liquids to control similar pests, the kill rate can reach more than 90%. Garlic onion preparations. 20 grams of garlic and onion were mixed and mashed, wrapped in gauze, and soaked in 10 kg of water for 24 hours. This liquid can effectively control the beetles, aphids, red spiders and so on. Wheat bran preparation. Five kilograms of wheat bran is roasted and cooled for use. 90% crystal trichlorfon 130 ~ 150 grams, 250 grams of sugar, 50 grams of white wine and 5 kilograms of warm water, stir, and then pour the cooled wheat bran mixed with a good mix. In the early evening of the evening, it was chosen to sprinkle pesticides between the rows of vegetables and near the roots of the seedlings to control underground pests such as earthworms and floorworms. Leaf preparations. 1.5 kilograms of fresh buckwheat leaves pounded with 1.5 kilograms of water, filtered to slag, add 40 kilograms of water per kilogram of juice, can prevent cabbage caterpillars, vegetable pots. Use 1 part of eucalyptus leaves and 3 parts of water, soak for 1 to 2 days, filter the water immersion solution and spray it to prevent worms and cabbage worms. Plant ash preparations. Each mu with 10 kg of grass ash mixed with water 50 kg soaked for 24 hours, take the filtrate spray can effectively control aphids, yellow guard melon. If the onion, garlic, leeks are affected by the species fly, onion flies, can be applied per mu afforestation or application of plant ash 20 to 30 kilograms, both anti-mite and increase potash, insecticidal production has a significant effect. Pig manure preparation. One kilogram of pigeon manure is added with 10 kilograms of water, and it is sealed in the barrel or tile tank for 15 to 20 days. Stir when used, pouring in the roots of vegetables, both to control the tigers, but also to the crop top dressing, killing two birds with one stone. China Agricultural Network Editor