Answer: In the garden in the first year, when the new shoots reach about 15 cm in length, about 10 kg of urea is applied per acre, about 10% of human and animal manure, the concentration is 0.5% of urea, and about 10% of human and animal manure is mixed with water. The Victoria varieties are applied once each at a new tip of about 15 cm and a new tip of about 30 cm according to the above concentration and dosage. Results For trees over two years old, the weaker species such as Victoria, should be applied with 20 kg of urea per mu when the new shoots are about 15 cm, and 10 manure and manure. Concentration: urea is 0.5%, and human and animal manure is applied with water 15%. European and American hybrids such as summer black, sunset red, nitrogen control before flowering, fertilization before flowering is strictly prohibited.
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The generic name of VTM Virus Sampling Tube is a single-use virus sampling tube, which is generally used for the detection and sampling of infectious pathogenic microorganisms in disease control departments and clinical departments. It is suitable for detection and sampling of influenza viruses (including general influenza, highly pathogenic viruses, H1N1 influenza virus, etc.), hand, foot and mouth virus, new coronavirus, measles and rubella and other types of viruses. VTM virus sampling tube can also be used for detection and sampling of Mycoplasma, Chlamydia and Ureaplasma urealyticum.
The virus and related samples in the VTM virus sampling tube should be stored and transported within 48 hours in a refrigerated state (2-8°C). Viruses and related samples can be stored for a long time in -80℃ environment or liquid nitrogen environment. The virus can maintain the activity of the virus in a lower temperature range, reduce the speed of virus decomposition, and improve the positive rate of virus isolation.
The VTM virus sampling tube is generally equipped with a disposable flocking swab. From the appearance point of view, the flocking swab is white and soft. Using this soft brush during the sampling process will make the user feel no foreign body, and it is suitable for different Partial sampling person. Moreover, the flocking swab is designed with a breaking point that conforms to the length of the sampling tube and the natural orifice of the human body, which is not only convenient for sampling but also convenient for transportation of the specimen.
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