Types of compound fertilizers

Compound fertilizers can be divided into the following types according to their components and forms: According to components: there are binary compound fertilizers, ternary compound fertilizers, multi-component compound fertilizers, etc. Binary compound fertilizer refers to compound fertilizer containing two main elements, such as nitrogen-phosphorus compound fertilizer, nitrogen-potassium compound fertilizer, etc.; ternary compound fertilizer refers to compound fertilizer containing three main elements, such as nitrogen-phosphorus-potassium compound fertilizer, etc.; Multi-component compound fertilizer refers to compound fertilizer containing more than three major elements or trace elements, such as nitrogen, phosphorus, potassium, magnesium and sulfur compound fertilizers. According to the form: there are powdered compound fertilizer, granular compound fertilizer, liquid compound fertilizer, etc. Powdered compound fertilizer refers to powdered compound fertilizer that is directly mixed with elemental fertilizers. It can be directly sprinkled on the soil surface or buried deep in the soil; granular compound fertilizer refers to pressed elemental fertilizers through a granulator. Granular compound fertilizer, which can be spread directly on the soil surface or buried deep in the soil; liquid compound fertilizer refers to a liquid compound fertilizer made by dissolving simple fertilizers in water or adding some additives, which can be poured directly on the soil. The roots or leaves of plants.