What are the types of compound fertilizers?
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It is reported that in recent years, fake fertilizers on the domestic fertilizer market have mostly been compound fertilizers, which may be related to the large variety of such fertilizers. So, what are the different types of compound fertilizers? Could any sea friend give a systematic introduction?
There are compound fertilizers, blended fertilizers (BB fertilizers), BP fertilizers, specialized fertilizers, biological fertilizers, and foliar sprays
1. Inorganic compound fertilizers. That is, inorganic chemical fertilizers that are produced by physical or chemical methods and contain nitrogen, phosphorus, potassium, or two of these nutrients. 2. Organic-inorganic compound fertilizers. That is, products made by adding large amounts of organic matter such as cake fertilizer, bone meal, animal excreta, peat, etc., to inorganic compound fertilizers. 3. Compound fertilizers containing trace elements. Currently, the packaging of many manufacturers indicates the presence of trace elements such as boron and zinc. 4. Rare earth-containing compound fertilizers. It refers to compound fertilizers containing certain rare earth elements, such as rare earth ammonium carbonate. 5. Apply compound fertilizer by spraying. They are divided into two main categories: powder and liquid. They contain certain amounts of nitrogen, phosphorus, potassium, and trace elements; they require a high level of water solubility, with insoluble substances accounting for no more than 5%. 6. Liquid compound fertilizers. Such products are more common in Europe and the United States, where they are mainly used for root fertilization via liquid fertilizer applicators or irrigation systems. 7. Compound fertilizers containing microorganisms. It mainly refers to the addition of various bacterial strains to organic-inorganic compound fertilizers. 8. Compound fertilizers containing pesticides. It refers to compound fertilizers containing a certain amount of pesticides, mainly herbicidal pesticides. 9. Humic acid-containing compound fertilizers. Humic acid has a certain stimulating effect on plant root growth, but due to its high cost, few manufacturers include it in compound fertilizers. 10. Other compound fertilizers. Fertilizers such as magnetic fertilizers refer mainly to compound fertilizers that have been magnetized using special magnetization devices, resulting in a significant reduction in their total nutrient content; the efficacy of these fertilizers remains uncertain at present.