FIELD: production of complex water soluble chlorine-free fertilizer used for cultivation of plants in greenhouse. SUBSTANCE: potassium and magnesium salts are mixed with melt of ammonium nitrate, phosphate component being used. Diammonium phosphate together with phosphoric acid at their ratio 1:(0.25-0.5) is used as phosphate component. Granulation mixture takes place with the help of ammonium nitrate at 95-145 C, salts of microelements (B, Cu, Zn, Mn, Mo and others) are added during granulation. EFFECT: increased activity of fertilizers. 4 cl
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Authors
Dates
1998-02-27—Published
1996-11-13—Filed