The appearance of potassium sulfate is white or colored crystals or granules. It is characterized by small moisture absorption, is not easy to agglomerate when stored, and is easily soluble in water. Suitable for a variety of crops, can do base fertilizer, top dressing and top dressing. Potassium can generally be absorbed by the soil and will not be lost, but the principle of “few meals†should be adopted on sandy soils with poor fertilizer retention. It is generally best to use it on potatoes, melons and other high-potassium crops. Potassium chloride is white or light yellow in appearance, and sometimes contains iron salts in red. Soluble in water, it is a high solubility of the available potassium fertilizer. To use basal fertilizer and topdressing, the use range is smaller than that of potassium sulfate, and special attention should be paid to the careful use of chlorine-sensitive crops such as grapes, watermelons, potatoes, sweet potatoes, tomatoes, and peppers to avoid “chlorine harmâ€.
In addition, potassium chloride is not suitable for use in saline-alkali soils, but chloride ions in greenery potassium promote photosynthesis and fiber formation, and are particularly suitable for fiber crops such as cotton and hemp.
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