Although it is still cold winter, but not the growers have already thought of the early spring season, because the early spring temperature is low, the survival rate of vegetable planting is low, so it is usually necessary to use the mulch film, the film can keep warm and keep the fertilizer, and it is more convenient for the farmers to manage. The following Hui Nongwang Xiaobian will tell you about the early spring vegetable planting points and the film laying method.
1. Land preparation
Land preparation is a prerequisite for planting, and the soil should be turned soft. If you have the conditions, you can make a deep turn and then expose to the sun.
Second, planting
Before planting early spring vegetables, growers must first germination of the seeds. Sowing after germination. Usually, the seedlings are first raised in a warmer place, and the seedlings are laid until a certain height reaches a certain height. Then, when you dig a hole, you should pay attention to the bigger one, and then plant the seedlings in, which is more conducive to the growth of vegetables.
Third, the upper fertilizer
The fertilizer is usually placed before the film is laid, otherwise it will be difficult to topdress when the film is laid. Therefore, it is usually just time to apply fertilizer to the fertilizer.
Fertilization is mainly the application of some cake fertilizer, and the application of some bean curd residue, livestock manure and the like. When the fertilizer is applied, the fertilizer is buried in the soil, and the fertility is slowly released, and then the mulch is laid.
Fourth, the method of laying the film
1. Straighten the mulch film, because the early spring vegetables are open-air and the wind is large, so it is necessary to straighten the pressure;
2. Dig a hole and pour the seedlings into it;
3. Pouring and pouring root water.
After laying the mulch, you can keep water and fertilizer, and the subsequent water and fertilizer can be applied less.
The above is the summary of the early spring vegetable planting and film laying methods compiled by Huinong. I hope to help everyone.
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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.
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Drug intermediates,Pharmaceutical intermediates,Intermediates APIS
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