The first move: flood water disinfection. That is, in the summer, the vegetable fields deeper than 20 cm, flooded to maintain the water layer 5 cm, covering the surface of the plastic film or quick lime. After 10 days, the film was opened, drained, and planted after the whitening plow.

The second measure: disperse ammonium bicarbonate. That is, after harvesting the leek in summer, 30-50 kilograms of ammonium bicarbonate per acre is used to cover the plastic film and ammonium bicarbonate is used to decompose and volatilize the ammonia to eliminate pests and diseases. After 7 days, the membrane is uncovered and the plow is reseeded.

Active Pharmaceutical Ingredients

Active Pharmaceutical Ingredients(API) refer to the raw materials used in the production of various preparations. They are the effective ingredients in the preparations. They are various powders, crystals, extracts, etc., prepared by chemical synthesis, plant extraction or biotechnology, but Substances that the patient cannot take directly. API is intended to be used in any substance or mixture of substances in the manufacture of pharmaceuticals, and when used in pharmaceuticals, it becomes an active ingredient of the pharmaceuticals. Such substances have pharmacological activity or other direct effects in the diagnosis, treatment, symptom relief, treatment or prevention of diseases, or can affect the function or structure of the body. According to its source, active pharmaceutical ingredients are divided into two categories: synthetic chemical active Pharmaceutical ingredients and natural chemical active Pharmaceutical ingredients.

Chromium Picolinate,Tianeptine,6-Paradol,Aminobutyric acid,acetylcysteine,L-Carnosine

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