At present, during the season when large-area sowing autumn vegetables are planted, the quality of pest control is directly related to the level of benefits of autumn vegetables. The prevention and control methods for vegetable pests are as follows: Agricultural control Before vegetables are sown and transplanted, the land is exposed to deep exposure for 5-7 days, or the eggs are burned and burned by the grass. Seed treatment with 50% Paul seedling or other seed coating seed dressing, can prevent flea beetles, aphids, Liriomyza sativae and underground pests, to ensure that the whole vegetable seedlings, strong seedlings. Biological insecticides such as BT emulsion, BT powder, and high-efficiency BT are used to control Lepidoptera pests such as Pieris rapae, Plutella xylostella, Leguminosae, and Melon. Use a multiple of 500-1000 times, preferably after 5 pm. The use of antibiotic insecticides such as ganoderma lucidum, abamectin and other avermectin insecticides, using 2000 to 3000 times liquid to control the diamondback moth, thrips, cabbage caterpillar, Liriomyza sativae has a good effect. Use insect regulators such as chlorhexidine, dibuprofen, viscous guanidine, carbendazim, and urea to control resistant pests, using multiples of 1000 to 2000 times. Use high-efficiency, low-toxicity, low-residue chemical pesticides such as Wan Ling, Rui Jin Te, and Le Si Ben. Use a concentration of 1000-2000 times. Prevention and treatment, one should pay attention to spraying time, take the evening as the best time; the second should pay attention to the liquid spray evenly on the positive and negative of the leaves of the vegetables, fight drugs must be careful; Third, pay attention to the amount of liquid to be sufficient; Pay attention to spraying, but also spray the liquid onto the ground or weeds; Fifth, we must be careful not to apply methamidophos, 1605, omethoate, carbofuran and other highly toxic pesticides. The manual resuscitator is a small portable ventilator used for emergency rescue both inside and outside the hospital. This product is used by medical personnel and personnel with short-term training in emergency situations, and can be used in emergency rescue locations and during the transportation of patients. Manual Resuscitator,Reusable Manual Resuscitators,Manual Oxygen Resuscitator,Oxygen Regulator, Oxygen Tank Regulator Ningbo Queen Electronic Science Technology Co., Ltd , https://www.queenmeds.com