rather than infection Learn more about rather than infection
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How can aquatic products be contaminated by novel coronavirus instead of infected? What are the characteristics of food contaminated by viruses?
Prior to this, the detection of novel coronavirus on the salmon cutting board at the Xinfadi Wholesale Market in Beijing attracted everyone's attention, but according to experts, how could aquatic products be contaminated by novel coronavirus rather than infected? What are the characteristics of food contaminated by viruses? Lower
2020-11-11 Aquatic products or by COVID-19 virus pollution rather than infection is -
Causes and prevention of dead seedlings of national orchid
The orchid seedling appeared scorched tip, yellow leaf, yellow foot shell, rotten heart, rotten root, rotten Reed head, and finally the whole plant died, which caused huge economic losses to the national orchid boutique investors. orchid friends have different opinions and know the orchid only when it is difficult to raise orchids. the main reasons for investigation and analysis are as follows: first, the fertilizer effect is too heavy. National orchid cultivation plant material should be thin rather than fertilizer, do not worry about insufficient fertility and add too much plant material containing fat, it is found that the cultivated soil is too fat, it should be replaced or technical treatment in time. During the period of national orchid management, if the plant can grow normally, there is no need for it.
2019-01-15 -
Causes and prevention of dead seedlings of national orchid
Causes and prevention of dead seedlings of national orchid
2018-04-07 -
Causes and preventive methods of dead seedlings of orchids
The orchid seedling appeared scorched tip, yellow leaf, yellow foot shell, rotten heart, rotten root, rotten Reed head, and finally the whole plant died, which caused huge economic losses to the national orchid boutique investors. Orchid friends have different opinions and know the orchid only when it is difficult.
2018-03-28 -
There are six major causes of orchid seedling death, the fifth is the most dead seedling, and these diseases do great harm to orchid seedlings.
The orchid seedling appeared scorched tip, yellow leaf, yellow foot shell, rotten heart, rotten root, rotten Reed head, and finally the whole plant died, which caused huge economic losses to the orchid boutique investors. Orchid friends have different opinions and know the orchid only when it is difficult.
2018-08-20 -
Principles of fish health management
The concept of fish health management is that fish culture under such conditions will achieve the best growth rate, feed conversion rate, reproduction rate and survival rate. It is very important to maintain a high-quality water environment and feed with balanced nutrients to maintain the health of fish and prevent them from getting sick. Proper fish health management should aim at environmental, nutritional, economic and other factors to prevent fish diseases rather than focus on the treatment of fish diseases. Here are some basic principles of fish health management. First, to treat the environment
2019-01-16 -
Peanut bacterial wilt is a major cause of peanut yield reduction. Bacterial wilt is actually soil-borne disease.
Peanut bacterial wilt is a common disease in peanut planting. Once the disease occurs, peanut seedlings will die quickly, and the incidence rate is high, and the infected plants can reach 50%, which is a major factor in reducing peanut production. For peanut bacterial wilt.
2018-07-29 -
The culture method of Buddha bead orchid several steps to raise healthy Buddha bead orchid
The culture method of Buddha bead orchid several steps to raise healthy Buddha bead orchid
2019-03-06 -
Role Analysis of Respiratory tract pathogenic microorganisms in Pig Farm (part two)
Role Analysis of Respiratory tract pathogenic microorganisms in Pig Farm (part two)
2020-09-10 -
Cultivation techniques of tree peony
The peony had better choose the sandy soil which is loose and fertile. When planting, you need to choose a higher eastward sunny place, and the potted plant should be placed on a sunny eastward balcony, such as a south balcony or roof platform, and shade in the west. Watering should be dry rather than wet
2020-11-09 Peony cultivation techniques peony best selection soil quality comparison -
Introduction to the culture method of Buddha-bead orchid
Introduction to the culture method of Buddha-bead orchid
2019-03-06 -
How to maintain the Culture skills of heavy Fan
How to maintain the Culture skills of heavy Fan
2019-02-22 -
Cultivation of potted Magnolia in Garden
Cultivation of potted Magnolia in Garden
2019-08-13 -
Culture methods and matters needing attention in Xianren Mountain
Culture methods and matters needing attention in Xianren Mountain
2019-03-07 -
Coral reef fish disease
Signs of infection fish may rub on hard objects, careful examination, may find fish skin fog, Gill may be inflamed, the affected fish show typical rapid Gill movement. Many species of marine fish have been found to suffer from the disease. Infection details Oodiniumocellatum is a parasitic single-celled organism called dinoflagellate. A careful examination of it requires a microscope with a magnification of 3000 times. Oodiniumocellatum vs.
2019-01-16 -
When the flowering stage of wheat is reduced to, how to control wheat scab
When the flowering stage of wheat is reduced to, how to control wheat scab
2018-07-14 -
How will I raise orchids if I start growing orchids again?
After vernalization, the flower bud began to grow and placed under the orchid frame to increase the humidity and temperature difference. Put the flower on the orchid rack two days before blooming, adjust the direction of the flowerpot to the light, turn on a small night light at night, the phototaxis of the orchid will cause the flower to open to the place with light.
2018-02-25 -
Orchid crown rot
Orchid crown rot
2018-05-03 -
How to treat pig disease: what are the methods for diagnosing porcine mycoplasma pneumonia?
How to treat pig disease: what are the methods for diagnosing porcine mycoplasma pneumonia?
2020-09-10 -
Cuttings because of succulent plants
As we all know on the Internet, cutting is an important means of succulent reproduction, and it is easy to operate for flower friends who breed succulent plants in the family environment, and the hardware requirements are not high, so it is widely used by flower friends.
2018-07-23