Potassium sulphate: Appearance of white crystals or colored crystals or granules. It is characterized by a small hygroscopic storage compartment that is not suitable for agglomeration and is easily soluble in water. Applicable to a variety of crops, can be used as base fertilizer, top dressing, seed fertilizer and top dressing. The base fertilizer is generally 10 to 12.5 kg. Potassium is generally adsorbed by the soil and will not be lost. However, it is necessary to adopt a “small amount of meals†on sandy soil with poor fertility. Generally, it is best applied on potato, melon and other potassium-producing crops. Wide, large amount.
Potassium Chloride: Appearance is white or light yellow crystal, sometimes containing iron salts in red. Soluble in water, it is a high concentration of quick-acting potash. Can be used as base fertilizer, topdressing, base fertilizer 8 to 10 kg per mu, topdressing 5 to 7.5 kg per mu. The scope of application is smaller than that of potassium sulfate. Special attention should be paid to avoiding chlorine crops such as grapes, potatoes, tobacco and other crops. In addition, potassium chloride is not suitable for use in saline-alkali soils, but chloride ions in potassium chloride promote photosynthesis and fiber formation, and are particularly suitable for application to fiber crops such as hemp.
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Freeze-dried powder is a sterile powder injection obtained by freezing the liquid medicine into a solid state in a sterile environment, and subliming and drying the water in a vacuum. Freeze-dried powder is composed of a bottle of high-purity and high-active biological protein freeze-dried powder and a high-purity liquid essence. When using, it needs to be connected with a patented vacuum to reconstitute the freeze-dried powder and the essence to activate the biological protein activity.
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