In the principle of fertilization, organic fertilizer is mainly used, supplemented with biological fertilizers, and suitable for planting green manure crops. The main types of fertilization applied were farmyard manure, biofertilizer, green manure, and organic compound fertilizer. The application should pay attention to human fecal urine and manure fertilizer to fully ferment and decompose, it is best to pass through the system of biological bacteria, and after top dressing, it should be poured with water. In addition, human urine has high nitrogen content and should not be used excessively in crops such as potato, melon and sugar beet; stalk-type fertilizers are prone to cause soil hypoxia and produce phytotoxins in the process of mineralization and require sowing or shifting of crops. Before planting into the soil as soon as possible; organic compound fertilizer is generally a long-term fertilizer, when applied, it is best to apply farmyard fertilizer to improve fertilizer efficiency.
Oseltamivir Phosphate (Oseltamivir phosphate) is often referred to as "Tamiflu" (Tamiflu). Produced and sold by the Roche Group, launched in Switzerland in 1999, and launched in China in 2001. It is the most commonly used and one of the most effective drugs against avian influenza, H1N1 influenza virus and influenza B virus. Reducing the incidence of influenza complications can also reduce the use of other medicines, and Tamiflu can increase the survival rate of influenza patients by about 37%.
But it also has large side effects, especially for children. And its price is more expensive to take twice a day, 75mg each time, the retail price of medicines is equivalent to 60 yuan per day, and a course of 5 days is equivalent to about 300 yuan. In addition, taking Tamiflu before the flu has no preventive effect on flu.
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