2, timely prevention and treatment of viral diseases. Virus disease is an endemic disease that harms peanuts. The combination of mottled, dwarfed and yellow mosaic viruses is the main reason for the significant reduction of peanut production. Peanuts affected by virus diseases showed different degrees of dwarfing and yellow flowering leaves. The pods were obviously smaller, deformed, and the shells were thin and full. Individual fruits broke through the skin and exposed purple seeds. The farmers mistakenly thought that the varieties were degraded and delayed the control. Reduce production. In recent years, trials have been conducted to control locusts in the seedling stage and mosaic stage, spraying 2-3 times of 600-800 times “Yikangâ€, which has obvious preventive and therapeutic effects. Reduce the rate of small fruit by 12 percentage points, and the yield per acre yielded 49.70 kilograms, an increase of 17.60%, and the kernels up to the 24/28 and 28/32 export standards were 14.50 and 12.70 percentage points higher than the non-sprayed controls, respectively. . Early failure of peanuts and leaf spot disease caused early defoliation, resulting in failure of pods, germination, rotting, and “over ripe fruitâ€, which seriously affected yield and quality. Farmers mistakenly believe that it is mature. In recent years, the “RBF†protective film agent (peanut high-yield film) developed by Shanxi Dazheng Seed Company was tested and sprayed 500 times each at the beginning of July (scarring period) and early August (full fruit ripening period). Acres at 51 kg per mu and 53 kg at kernels, which increased production by 16.03% and 22.7%. The main factors for the increase in production are the 2.50 increase in the number of results per plant, 2.80 percentage points increase in the output rate of the kernel, and 4.30 leaves of the main stem during harvest, which is 3.60 more than the 0.70 control without spraying.
Household Oxygen Generator is a type of machine for producing oxygen, its principle is to use air separation technology. First, the air is compressed at a high density and then the different condensation points of each component in the air are used to separate the gas and liquid at a certain temperature, and then rectify it to separate it into oxygen and nitrogen. In general, people are used to calling it an oxygen generator because it is mostly used to produce oxygen. Because oxygen and nitrogen are widely used, oxygen generators are also widely used in the national economy. Especially Homecare Oxygen Concentrator and Household Medical Devices for hospital and household.
The first countries in the world to produce oxygen generators were Germany and France. The German Linde Company made the world's 10th m3/s oxygen generator in 1903. Following Germany, the French Air Liquide Company also began to produce oxygen generators in 1910. Since 1903, the oxygen generator has a history of 100 years.
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