Recently, the Qianying Agricultural Technology Extension Regional Comprehensive Station in Fengnan District of Tangshan City investigated the overwintering pods of tomatoes in the Qianying region. It was found that the incidence of tomato bacterial wilt in greenhouses in some rural househo…
Release date: 2015-04-01
The National Key Laboratory of Nano-Bioeffects and Safety of the National Nanoscience Center of the Chinese Academy of…
Apple Spiraea, Pyrus bicorni, Myzus persicae and Peachflies are the main aphids in the northern fruit trees, and they occur and harm to varying degrees every year. Many of the fruit growers are not allowed to be lawful in their prevention and control, and often spend a lot of energy. Many …
To understand what is the difference between brown sugar and brown sugar, we must first understand what brown sugar is and what brown sugar is. Then we can distinguish between brown sugar and brown sugar by comparing the effects and effects of these two sugars. Bro…
Today is the cold season, it is the coldest time in winter, the cold is the most kidney injury, and kidney deficiency can lead to chills and cold, easy to get sick. At this point eat some warming kidney food, you can take advantage of illness. For women, black-bone chicken is the best nour…
The apple is one of the tree species that consumes a large amount of water. Each time the orchard has an irrigation volume of 90-105 cubic meters per mu, and the annual water consumption is 250-300 cubic meters per mu. Causes of excessive water use in orchards: The water consumption patter…
As we all know, ginseng is very suitable for tonic people with weak physique. In fact, in addition to ginseng, there are six kinds of “ginseng†secretly in the ingredients. The following are their respective therapeutic effects.
Ginseng in the sea - sea cucumber
The temperature in autumn gradually decreases, the temperature difference between day and night is large, and the change between cold and warm is extremely irregular. Appropriate measures should be taken to strengthen the feeding and management of laying hens and prevention and control of …
Textual Research
From "Shen Nong Ben Cao Jing."
1. Tao Hongjing: Achyranthes, this time out of the road, the best in Caizhou. Large and soft, its stems have knots like Achyranthes, so it is…
After PCR amplification, agarose gel electrophoresis analysis is generally carried out. After electrophoresis, there are generally the following bands:
1, primer band. When the concentration of the primer is too high or the ampli…
In summer, the feed is abundant, and it is necessary to grasp the opportunity for the sheep and sheep to lay the foundation for the fall and winter seasons. However, hot weather in summer can easily cause sheep to suffer heat stroke or cause other diseases. Therefore, farmers need to prepa…