After the melon is planted, timely topping and picking the heart, pay attention to the removal of the deformed melon. Distribute the vines and the sun vines evenly, and press the clods on the vines. Cut out the old leaf disease leaves at the right time and bring them out of the field. Spray “General Tree Protector†to disinfect and prevent the spread of pests and diseases.
Melon roots are developed, but the distribution is shallow. In the period of melon expansion, sufficient fertilizer and water supply is needed, but it is necessary to prevent waterlogging. Melon is made by plowing the bottom fertilizer, and the bottom fertilizer is best to have cake fertilizer. Melon is not suitable for nitrogen fertilizer alone. After planting, before flowering and fruit setting, the topdressing is usually 2-3 times, and it is better to use the decomposed thin human urine. In order to prevent the growth of the seedlings, the appearance of the seedlings is too long, affecting the fruit setting. According to the "Agricultural Resources Taobao Guide", when the foliar spray fertilizer is applied, the spray is combined with the appropriate amount of "fruit and fruit", which not only improves the utilization rate of fertilizer, but also regulates nutrition. Growth to reproductive growth, preventive growth, promote early flowering and more flowering, fruit development can promote the rapid expansion of melon, fruit and fruit. 7 days before the harvest of melon, stop the supply of fertilizer and water to ensure quality.
When the medicament is used to control melon powdery mildew, downy mildew, anthracnose, and wilt, add appropriate amount of “new high-fat membrane†to improve the efficacy, moisturize and prevent phlegm, reduce the breeding of pests and diseases under the rainy weather, and have better effects on various fungal diseases. The prevention and treatment effect, because its disease prevention is a physical effect, the bacteria will not produce drug resistance.
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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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