Applying farmyard fertilizer to learn

The appearance of potassium sulfate is white or colored crystal or granule, which is characterized by low moisture absorption, is not easy to agglomerate when stored, and is easily soluble in water. Suitable for a variety of crops, can be used as base fertilizer, top dressing, and top dressing. Potassium is generally adsorbed by the soil and will not be lost. However, the principle of “small meals” should be adopted on sand with poor fertility. Generally used in potato, melon and other potassium crops, the best effect.

The appearance of potassium chloride is white or light yellow crystal, sometimes containing iron salts in red. Soluble in water, it is a high-soluble quick-acting potash. It is used as base fertilizer and top dressing. The scope of use is smaller than that of potassium sulfate. Pay special attention to the use of chlorine-sensitive crops such as grapes, watermelons, potatoes, sweet potatoes, tomatoes, and peppers to avoid "chlorine damage." In addition, potassium chloride is not suitable for saline-alkaline soils, but chloride ions in greening potassium promote photosynthesis and fiber formation, and are particularly suitable for cotton crops such as cotton and hemp. To correctly distinguish and use these two kinds of fertilizers, it should be noted that when purchasing potassium fertilizer, first look at whether the appearance meets the above explanation; secondly, look at the bag identification and implementation standards, and the potassium sulfate is executed by the original Ministry of Chemical Industry HG/T3279-1990 The implementation of potassium chloride is international GB6549-86; in addition, the price cannot be considered simply, mainly depending on the nutrient content.
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