Before planting, prepare the ground. Asparagus is suitable for cultivation in sandy loam soil with loose and fertile soil, good air permeability, deep soil layer, rich organic matter, and pH value of 6-8. Fertilize the field first, apply 3,000 kg of rotted manure per acre, turn deep into the soil, and prepare the land as a border, the border width is 150-160 cm. A planting ditch is opened in the middle of the border. The ditch is 40 cm wide and 30-40 cm deep. Then fertilize in the planting ditch, apply 2000 kg of organic fertilizer per mu, 30 kg of compound fertilizer, mix well with the soil, spread on the bottom of the ditch, cover the soil, make the planting ditch and the flat surface flat, ready for planting.
When starting seedlings, the fleshy roots should be kept longer, dig the seedlings as deep as possible, and take the soil to raise the seedlings, so as not to damage the roots during the seedlings and planting. Don't plant seedlings every other day. It's better to plant seedlings while planting.
When planting, according to the plant spacing 30~40 cm, dig the planting hole, put the seedlings into the planting hole, cover the soil and compact. Generally, about 1500 seedlings can be planted per mu.
Immediately after planting, water manure, 1000 kg of clear water manure per acre mixed with 1 kg of 40% asparagus green, and poured into the planting ditch. '
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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
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