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    High concentration compound fertilizer  
    





    




    Brief introduction
    


    Compound fertilizer refers to chemical fertilizer containing three elements, including, nitrogen, phosphorus, potassium, or two of them.
    


    Category
    


    binary compound fertilizer: containing two element of nitrogen, phosphorus, potassium;
    
temary compound fertilizer: containing 3 elements of nitrogen, phosphorus, potassium;
    
muti-compound fertilizer: containing 3 elements of nitrogen, phosphorus, potassium and other medium elements or microelement;
    
multi-functional compound fertilizer: in addition to nitrogen, phosphorus, potassium, containing of pesticide of auxin;
    


    Classification
    
available nutrient            Grade
    
temary ≥ 40%                         High concentration compound fertilizer
    
temary: 30%~39%                  middle grade concentration compound fertilizer
    
temary: 25%~29%                  low concentration compound fertilizer
    
binary:≥ 20%                        low concentration compound fertilizer
    





    






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