In recent years, due to lack of superior production measures, commercial rapeseed cannot reach high quality standards and can not be comprehensively used. Farmers also experience the benefits brought by high quality and high prices, and lose the true significance of high-quality rapeseed produ…

The electrothermal constant temperature water tank can be used for distillation, drying, concentration and constant temperature heating, chemicals, biological products, checking serum and biochemical experiments, constant temperature culture, and boiling and disinfecting syringes and small surg…

The dry heart of Chinese cabbage is also known as heart rot and marginal rot, commonly known as "focal edge", "sandwich" and so on. It is a kind of physiological disease. More than the beginning of the rosette period and the heart-filling period, the damaged leaves are …

Properties: The agent is metabolite macrolide antibiotic insecticide and acaricide produced by actinomycetes. Pure product is white to yellowish white crystalline powder. Odorless, melting point 150-155°C. Slightly soluble in water, soluble in toluene. It is stable under normal temperat…

Freshly peeled hides are called fresh skin (blood skin). Fresh skin contains a large amount of water, protein, fat, inorganic salts, enzymes, etc. It is a good medium for the growth of various microorganisms. If it is not timely preserved, it will easily become spoiled and deteriorated and…

When urea is used as top dressing, it can be applied to the roots of crops through the soil and is also suitable for foliar spraying. When urea is needed to apply topdressing fertilizer during vigorous periods of crops, pay attention to fertilization period before application of available nitr…

The Chinese medicine pelletizing machine can produce honey pills, concentrated pills, water honey pills, water pills, pellets, and can also be coated and dried. Make the prepared pills even and beautiful. It is especially suitable for small pharmaceutical factories…

The characteristics of this spring's climate are: high rainfall, low temperatures, and reduced sunshine. This has brought many unfavorable factors to agricultural production. To this end, we interviewed Li Changzhong, a senior agronomist at Hongya County, and learned about the manageme…

The use of fish, such as oysters, white sea bream, and sea bream, which have their own odor, is good for the appearance, the fish has little odor, is not easy to mold, has good retention, has a good appearance after heating, and has a rich fish flavor. The advantages of dried fish products…

In the winter, the human body's immunity has further declined. For the white-collar workers who are generally in sub-health, winter health is the time. Sibu is the simplest and most laziness of the regimen. For this reason, experts recommend two types of fruits that are best preserved …