FIELD: agriculture.
SUBSTANCE: method of producing the microelement mixture based on citric and oxyethylidenediphosphonic acids, comprising the composition of microelements in the form of organic-mineral complexes of manganese, iron, zinc, cobalt, molybdenum, cuprum and inorganic compounds of magnesium and boron, at that the initial components are added into the solution of citric acid in a strictly determined sequence, namely: manganese sulphate, ferrous sulphate, zinc oxide, cobalt nitrate, ammonium molybdate, copper sulphate, magnesium oxide or zinc oxide, boric acid - then oxyethylidenediphosphonic acid to ensure pH of the medium within the range of 1.2÷2.2 during the entire production cycle.
EFFECT: invention enables to stabilise the product quality while simultaneous increasing the concentration of microelements and the process simplification.
2 cl, 1 tbl, 3 ex
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