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First, the worm cartilage preparation, insects to control insects. Collect the pests such as cabbage caterpillars and ground tigers in the vegetable garden, smash into pulp, soak one day after each 100 grams of water, and filter out the residue, add 50 kg of water, add a small amount of washing powder, stir well, and mix "medicine". Sprayed on vegetables that are infested by similar pests, the odor is repelled, the pests refuse to eat, and the kill rate can reach more than 50%.
Second, the leaves kill insects, simple and easy. Use fresh eucalyptus leaves or skunk leaves 1 kg smash, add the same amount of water for a day, filter to remove slag, add 50 kg of water spray, can control cabbage caterpillars, mites and so on.
Third, onions, garlic, pepper, insecticidal is obvious. Take 50 grams of onion, garlic and pepper, wet and smashed, wrapped in gauze, soaked in 15 kg of water for 24 hours, sprayed with leachate, can effectively control aphids, red spiders.
Fourth, "sugar-coated shells", trapping pests. Use 0.5 kg of brown sugar, 1 kg of vinegar, add 10 kg of water, mix and stir, and then add appropriate amount of insecticide. The fractional pot is placed in the vegetable field. It is very attractive to adults such as cabbage caterpillars and can reduce their larvae. harm.
5. "Playing (grey) waste heat" can also cure insects. Use 10 kg of grass ash and add 50 kg of water. After soaking for 24 hours, take the filtrate to spray, which can control the mites. At the same time, onions, garlic and leeks are harmed by the flies and onion flies, and can apply 30-50 kg of grass ash per acre. Oh, it can increase production, and the effect is obvious.
Sixth, potassium permanganate, soaking seeds spray multi-purpose. Diluted with 0.2% potassium permanganate, soaked for 20 minutes, washed with water, can kill the pathogens carried by the seeds, reducing the damage of late pathogens. Spraying with 600-1000 times potassium permanganate solution, spraying once every 5-6 days, even spraying 2-3 times, can effectively prevent melon powdery mildew and crop seedling disease and root rot.
Seven, baking soda, show your skills. Spraying with 0.2% baking soda (100g baking soda plus water 50kg), the control effect on cucumber, cabbage powdery mildew, anthracnose, downy mildew and gray mold is also obvious.
China Agricultural Network Editor
Clever use of "grass" with pesticides
With the enhancement of people's health concept, the requirements for pollution-free vegetables are getting higher and higher, and the residues of pesticides have received more attention. The artificial preparation of pollution-free "soil pesticides" to control pests and diseases, the effect is good, the cost is low, the production is simple, and at the same time it is harmless to humans and animals, which is a multiplier. Now introduce some commonly used soil pesticides to prepare "grass":
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