As an NPK Compound Fertilizer Manufacturer, share with you.
According to the types of nutrients contained, compound fertilizers can be divided into binary compound fertilizers, ternary compound fertilizers, and multiple compound fertilizers.
Binary compound fertilizer refers to a compound fertilizer containing two nutrient elements such as nitrogen, phosphorus, and potassium.
Ternary compound fertilizer refers to a compound fertilizer containing three nutrient elements such as nitrogen, phosphorus and potassium.
Multi-element compound fertilizer refers to a compound fertilizer that contains three nutrient elements such as nitrogen, phosphorus, and potassium, and a small amount of trace elements such as boron, manganese, copper, and zinc are added.
NPK Compound Fertilizer With Low Chloride
Common compound fertilizer forms are mainly granules, powders, and liquids:
A. Granules: The common granulation processes of granular compound fertilizers are: drum granulation, disc granulation, and tower granulation. The granulation process is different, and the compactness of the structure is different, and the time effect of dissolution and release is different. Generally speaking, the high-tower pelletizing investment is large, and the pellets are good; the disc pelletizing strength is low, the investment is small, and the drum is between the two. Knowing this, ask more when choosing fertilizers in the future, and you will know how to distinguish the prices. If you ask more about the craftsmanship, you can ensure that most fertilizer sellers will also be stunned;
B. Powder: The compound fertilizer of powder is basically based on the macro-element "nitrogen, phosphorus, potassium", and the trace elements in the middle and trace elements are slightly higher than granular fertilizer in terms of purity and humidity of nitrogen, phosphorus and potassium. Generally used for spraying or sprinkling irrigation after mixing with water, because it dissolves quickly and penetrates with water and can be quickly absorbed by plant cells siphoning, so most top dressing uses powder compound fertilizer;
C. Liquid: also known as fluid compound fertilizer, commonly known as liquid fertilizer. During production, most of the "nitrogen, phosphorus and potassium" are dissolved in water as a solute to become a solution or suspended in water by the action of a suspending agent to become a suspension paste. The solvent effect and penetration effect of liquid compound fertilizer are relatively high, and the price is also high. But the disgusting thing is that most of the liquid compound fertilizers currently sold in China are simply dissolved in powder, and then labelled to greatly increase their value.
The correct use of granular compound fertilizer
Granular nitrogen, phosphorus and potassium compound fertilizers are generally prepared by mixing urea, ammonia, diammonium phosphate, potassium chloride, ammonium nitrate, calcium dihydrogen phosphate, superphosphate, ammonium bicarbonate, etc. as raw materials. Its characteristic is to provide basic nutrients for crops, the higher the hardness of the particles, the better when selecting, in order to prolong the fertilizer efficiency. Nitrogen, phosphorus and potassium compound granular fertilizer decomposes slowly, and it is generally used as a "basic fertilizer" for planting.
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