Working principle of pneumatic diaphragm pump valve:
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The sweet and delicious chestnut has been a precious fruit since ancient times, and it is also the leader among dried fruits. Chestnut is rich in carotene, amino acids and trace elements such as iron and calcium. It can be used for long-term consumption to maintain…
Songhuacai is popular among people because of its long buds, thin flower layer and loose shape when the flower ball is fully expanded. The name of Songhua is sweet and crisp, which is better than ordinary white cauliflower.
When planting Songhua in autumn, it is…
Spend a few hundred dollars, receive a genetic kit, collect a little saliva or blood, and send it back to the genetic testing company for testing. After a while, you will get an analysis of your own genes, including risk, ancestral …
The use of segmental wood cultivation of black fungus has a history of more than 300 years in China, but over the years, in addition to the purification, rejuvenation and replacement of strains, it relies mainly on natural production and lacks scientific management.
In response to …
Most families nowadays have only one child. Children have to eat, eat, and live. Parents are always cautious and always want to give their children the best care. The daily dietary arrangements for children can be said to be painstaking. However, besides nutrition,…
The intelligent pressure transmitter is composed of two parts: a smart sensor and an intelligent electronic board. The smart sensor part includes: a capacitive sensor, a measuring diaphragm detecting circuit, a temperature sensor and a temperature compensation circuit; the intelligent e…
Green jujube planting technique
1. Garden selection
Green jujube has strong adaptability and low requirements on soil, but it has high requirements on fertilizer, sunlight and water source. It needs to be planted in paddy fields, flat slopes or terraced fields with sufficie…
Jujube tree is one of the fruit trees that we are very familiar with. The jujube tree has a very large area for planting. After the jujube tree enters the fruit period, it is necessary to make good management of the soil and fertilizer so as to maintain the advantages of the jujube tree an…
Appropriate application of phosphorus fertilizer and potassium fertilizer and organic fertilizer, control of nitrogen fertilizer. Inhibit the growth of madness. In the early and middle stages of the ball, each application of primary potassium dihydrogen phosphate and appropriate amount of …
1, species selection
Select early-maturing and hardy-tolerant varieties, select varieties suitable for early spring cultivation in large-middle sheds, leeks (Wuyiyuanye, Yuanyehongye, Dahongpao, etc.); Loofah (Five-leaf-smelling loofah, early hybrid No. 1 gourd); (Sujiao 5, Zazao 2…
Note that the requirements for soil water content in the growth and development stage of balanced water supply radish are generally 60%~80%, especially in the period of radish root enlargement, when the soil water supply is insufficient or when the drought is dry, it is easy to cause hollo…