Description

Made by chemical method, or (and) hybrid method of crop nutrition elements nitrogen, phosphorus and potassium in any of the two or three kinds of fertilizer.Its action is to meet different production under the condition of agriculture needs the comprehensive needs and balance of various nutrients.Their specifications according to the content of N, P2O5, K2O percentage markup, such as  said the compound fertilizer containing N, P2O5, K2O *5% each.Compound fertilizer also can contain one or more of the following amount and (or) in trace nutrition elements, such as the picture compound fertilizer containing N, P2O5, K2O each *2%, also contains the S5 %.


In the United States, compound fertilizer and mixed fertilizer are synonymous.In some European countries both have different meanings, compound fertilizer significant chemical reactions occurred during the production process, such as ammonium phosphate fertilizer, phosphate fertilizer nitrate, potassium nitrate and potassium phosphate, etc.In the process of production is simply bulk-blended fertilizers mechanical mixing.In the production of compound fertilizer raw material is some basic fertilizer and intermediate products.Mainly include ammonium nitrate, ammonium sulfate, urea, calcium superphosphate, heavy calcium superphosphate, ammonium phosphate fertilizer, potassium chloride, potassium sulfate and ammonia, all kinds of nitrogen and phosphate solution.