Recently, with the real name of many scholars and Han Chunyu's response to the controversy of "paper fraud", Han Chunyu, an associate professor at Hebei University of Science and Technology, once again entered the cusp of public opinion.
Two months after.......
When it comes to purple sweet potatoes, they should not be unfamiliar. They are also called yams, yams, and purple or dark purple. They are a type of sweet potato. Although the price of purple sweet potatoes is several times that of ordinary sweet potatoes, its att.......
â—Organic fertilizer
Execution (NY-525-2012) - Industry Standards. Refers to the organic matter derived from plants and/or animals that are fermented and decomposed. Its function is to improve soil fertility, provide plant nutrition and improve crop quality. It is suitable for .......
Release date: 2018-01-24
In December 2017, the State Food and Drug Administration approved a total of 167 medical device products. Among them, .......
Potassium humate is a non-homogeneous aromatic hydroxycarboxylic acid salt.......
Used insulated mixing tank
Long-term purchase and sale of second-hand chemical pharmaceuticals purchase and sales companies
Used drying equipment, used domestic importe.......
The male donkey must constantly maintain the body condition so that it has a strong sexual function and excellent semen quality, in order to ensure the daily sperm collection or breeding (1 day off for 1 week) during the breeding period, thus completing the entire period of 70 horses The m.......
Organic pesticides include natural organic pesticides and synthetic pesticides.
1. Natural and organic pesticides are organic substances that come from the natural world. They have good environmental solubility and are generally less toxic to humans. They are currently highly recom.......
Vitamin C is one of the most commonly used drugs in pig production. Can be used alone or in combination with other drugs, can increase the body's resistance to infectious diseases; promote healing of wounds, participate in the formation of cell mesenchyme and redox reactions in the bod.......
Seated water seed drought protection
We will vigorously promote the technology of sitting waters, give full play to the advantages of sitting water technology, be flexible and flexible, and be free from terrain constraints. We can make full use of all kinds of water resources, feat.......