Control methods: 1, selection of disease-resistant varieties, pay attention to breed collocation and rotation.
2. Rice seed treatment before sowing: Soaking seed with 45% batramine; Applying marl fat and transplanting herbs before transplanting: Apply 3-5 kg ​​urea per acre for one week before transplanting to enhance plant disease resistance , and combined with the prevention and treatment of leaf rice blast and the prevention of aphids, fly fleas with the delivery of drugs. Can also be used 20% tricyclazole WP wet dipping for 5 minutes, remove the stack for 30 minutes and then plug.
3. Reasonable fertilizer and water management, sufficient base fertilizer, early application of top dressing, moderate nitrogen application in mid-term and seedling supplementation in later period. Avoid excessive or late nitrogen fertilizer application, and pay attention to increasing phosphorus and potassium fertilizers. Moisture management should be based on the principles of shallow water planting, deep water returning greening, thin moisture planting, and enough field drying.
4, pharmaceutical control. Ye Yu early detection and prevention; early from the delivery period, if found in the center of the disease or acute lesions on the leaves, should be promptly controlled.
Common agents: 6% of kasugamycin WP 30-40 g/mu, or 75% of tricyclazole wettable powder 30-40 g/mu or 40% of Fuji No.1 EC 100 ml/mu. Any one of the above-mentioned medicaments shall be sprayed with 45-60 kg of water for spray prevention and control, and shall be controlled once every 6-8 days. After 4 hours of spraying, the rain shall be sprayed in order to achieve the desired control effect.
It can be used for surgical operations, patient treatment; epidemic prevention and inspection in public places; disinfection in virus-contaminated areas; and can also be widely used in military, medical, chemical, environmental protection, transportation, epidemic prevention and other field
By setting a protective collar, the neck of the operator can be kept warm and protected. The provision of a hand guard is helpful for the surgical staff to temporarily place their hands in the hand guard while waiting during the operation, which plays a protective role and is more in line with the principles of aseptic operation and occupational protection.
By setting the shrinking cuffs, it is beneficial to make the cuffs fit the wrists, prevent the cuffs from loosening, and prevent the gloves from slipping off during the operation and the operator's hands are exposed to the gloves.
The design of the new humanized protective surgical gown has been improved in the key areas of the gown. The forearm and chest area are double-thickened, and there are handguards in front of the chest and abdomen. By arranging reinforcing sheets (double-layer structure) in key areas, it is beneficial to improve the water-permeability of surgical gowns and improve safety.
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