Complex Industrial fertilizers (NPK)

They form a group of fertilizers that contain all the main nutrient elements nitrogen, phosphorus and potassium. Their most important properties include the content of acceptable nutrients and their mutual ratio.
 

According to the method of production of complex fertilizers, we divide them into:

• combined (the advantage of these fertilizers is the uniform distribution of nutrients in the granule, because they are produced chemically by decomposition of raw materials into slurry and its subsequent granulation. These fertilizers allow uniform application, they have favorable physical properties, there is no need to mix the individual components, and they contain less of useless ballast. The use of complex fertilizers is therefore generally more economically advantageous. The only disadvantage is the constant ratio of nutrients, which can be corrected by producing fertilizers with different contents and ratios of nutrients.);
• mixed (granulation of a mechanically prepared mixture, the nutrient content is even here as well, but the granulation is usually of lower quality and with a greater content of ballast substances), these products contain the abbreviation GCF in their name (as for granulated compacted fertilizers);
• blended (simply mixing the granules of different fertilizers in the required ratio allows you to achieve practically any ratio of individual nutrients, but their content may not be completely uniform due to the physical properties of the fertilizers), these products contain the abbreviation MIX in their name.