Autumn green onion skillfully topdressing

Green onions are a kind of vegetables that are good for fat. For a long time, many vegetable farmers are used to ditching for one-time topdressing of green onions, which is unscientific. Because this is not only easy to cut off the roots of the green onions, but also burns the young roots of the green onions due to excessive concentration of fertilization, leading to the occurrence of dry and dead leaves, affecting the quality of the green onions and reducing the yield. No.

The correct method of fertilization should be: follow the principle of “eat less and eat more meals”, adopt the method of soil fertility, from the planting of green onions to the harvesting points for 3 to 4 times to prevent de-fertilization in the late growth stage of green onions. Each time, apply 30~30 kg of ternary compound fertilizer per mu, or 10~15 kg of urea and potassium sulphate; according to the growth period of scallions, the amount of topdressing should be slightly more than the last amount of topdressing; Apply to the surface of the roots of the onion, then cover the soil with fertilizer, reduce the loss of fertilizer volatilization, promote the whitening softening and elongation, and enhance the wind resistance. After fertilizing, water should be poured once in two days to dissolve the fertilizer in the soil and rapidly decompose to promote the growth and development of the onion.

Disclaimer: Some articles on this website are transferred from the Internet. If legal rights of third parties are involved, please inform this website. phone

Veterinary Intermediates APIS

Drug intermediates -Pharmaceutical intermediates: A material that is produced during a process step of the drug substance and must undergo further molecular changes or refining before it becomes a drug substance. The intermediates can be separated or not separated.

Active Pharmaceutical Ingredient (APIS)(or Drug Substance) : Active Pharmaceutical Ingredient (API)(or Drug Substance) : Any substance or mixture of substances intended to be used in the manufacture of pharmaceutical products and, when used in pharmaceutical products, to be an active ingredient in pharmaceutical products. Such substances have pharmacological activity or other direct effects in the diagnosis, treatment, symptom relief, management or prevention of disease, or can affect the function and structure of the body. As can be seen from the definition, the Intermediates APIS is a key product of the previous process of manufacturing the API and has a different structure from the API

Finally, for example, amoxicillin capsules are called preparations, amoxicillin is called APIS, and 6-APA is called Veterinary Intermediates APIS.

Penicillin potassium for injection is called preparation, penicillin potassium is called Veterinary raw materials, and green potassium industrial salt is called intermediate


Drug intermediates,Pharmaceutical intermediates,Intermediates APIS

NANYANG CHENGPENG PHARMACEUTICAL CO.,LTD , https://www.chppharm.com