FIELD: agriculture.
SUBSTANCE: invention relates to agriculture. Method involves producing an organic-mineral fertilizer, the components of which are dry ash and organic acid. Components are preliminarily milled and mixed, added in amount, wt%, ash – 60–75, carboxylic and/or sulphonic organic acid – rest. Crushed and mixed components are dissolved in volume of ammonia water to pH = 6.5–7.5 with quantitative composition of dry mixture – 0.1–0.4 kg per 1 ha of arable lands with total weight of ammoniacal water within 1–5 t, with ammonia content of 0.1–0.5 % to water. Additional microelements required for growing a specific plant are introduced into fertilizer composition.
EFFECT: method makes it possible to create an organic-mineral fertilizer with a complex of microelements having optimum proportions, with improved digestibility.
1 cl, 2 ex
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