Pollution-free vegetable pest control new technology
Low pesticide residue is one of the main indicators of pollution-free vegetables. The use of ecological means to scientifically control pests can prevent pests, protect natural enemies, and do not pollute the environment. It has low costs and increases production, and it has many advantages. The farmers may wish to try. First, use fertilizer to cure pests 1, with ash leaching liquid governance insects. With dry and pure grass ash, 20 kg of water and 100 kg of water are mixed and soaked for 24 hours. The leachate can be filtered and sprayed on the leaves to prevent aphids; Irrigation can control the onion pests, leeks, and earthworms in the onion, garlic and leeks, and can also give crops. Potassium supplements. 2, the urine wash mixture destroyed. The effect of using urea, detergent and water to form a ratio of 1:0.25:100 is more than 90%, and it can also play the role of topdressing nitrogen. 3, rabbit manure fermentation insecticide. With 10 kg of rabbit feces, add 100 kg of water, place it in a tile jar, place it in the sun and dry it for 15-20 days until it is fermented. Stir the fermented water and stir it evenly in the root of the claw. Once every 3 days, it can prevent and control the tiger. Many kinds of underground pests can also play a role in chasing organic fertilizers. 4, with phosphorus fertilizer leach liquid pest control. With high-quality superphosphate 4 kg into 100 cm of water soaked for 36 hours, stirring with a clear liquid to spray stems and leaves, can drive cotton bollworm, cabbage caterpillar eggs. Leaving 1 line every 5 lines does not spray, induces spawning, and can focus on annihilation. 5. Disinfestation with ammonium bicarbonate. Use 17% ammonium bicarbonate 1 kg to dissolve water 99 kg, spray the stems and leaves in the harmful pest period, use fertilizer stimulation, fumigation to control red spider, tea-yellow, aphids, thrips and other pests. Once every 7 days, even spray 2 or 3 times, pest control supplement. Second, the use of plant juice pest control 1, pick cucumber juice and pest control. 5 kg of cucumber vines were used for pulling, and 2 kg of water was smashed. The sap was filtered out with gauze, and the leaves were sprayed with 5 times dilution solution. The control of cabbage caterpillars and vegetable aphids was very effective. 2, making soap and soap agent disinfestation. Fresh loofah 2 kg plus 1 kg water, smashed and then squeezed with gauze, 4 kg of water plus 10% soap and 0.1 kg of insecticide. Spray the whole plant to prevent cabbage worms, vegetable worms, red spiders and aphids. Wait. 3, ramie leachate irrigate underground pests. 1 kg of fresh castor leaf smashed filter residue was sprayed on 3 times water to control aphids, cabbage caterpillars, and diamondback moth; 20 kg of water was rubbed with 5 kg of castor oil residue and soaked for 12 hours, and the mixture was mixed on a sunny evening. Irrigate roots and control underground pests such as fly maggots, ground tigers, and earthworms. China Agricultural Network Editor
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