Who can not eat ginseng

Ginseng is a well-known tonic. It has the effect of replenishing qi and blood. Many people will eat ginseng to improve the body's immune system, but ginseng is also very particular about it. Not everyone can eat ginseng. Then, who can't eat ginseng? What ab

How to distinguish the authenticity of biological organic fertilizer

Bio-organic fertilizer is decomposed at high temperatures, has high nutrient content, is rich in beneficial bacteria, has high utilization rate and good effect, and is favored by fruit farmers. The effective living organisms of bio-organic fertilizer can not be seen and touched. From the a

Reasons for the yellowing of fennel

Observe first that its leaves are yellow from the inside or yellow from the bottom

1. In the absence of nitrogen, the synthesis of proteins, nucleic acids, phospholipids and other substances is hindered, the plants grow short, the branches and tillers are few, the leaves are small

Talking about the cleaning of beer fermentation tank

In recent years, domestic beer companies have used a large number of domestic malt and wheat buds in the production process. Because of the high protein content, the wine has a high viscosity, which makes the dirt and the tank fi

Working principle of disc steam trap

The disc steam trap has a valve plate that is both a sensitive component and an actuating actuator. When the device is started, the pipeline is cooled and condensed, and the condensed water pushes the valve plate by the working p

Enter the summer to guard against the five major anomalies of shed vegetables

After the beginning of summer, the temperature rises significantly, the light increases, the summer heat will be approaching, and thunderstorms will increase. The crops will enter the growing season. In the current fine weather, the temperature in the midday penthouse will often exceed 30°C