FIELD: agriculture.
SUBSTANCE: invention relates to the agriculture. Mineral fertilizer obtained by mixing the following ingredients per 1 kg of the mixture: ash from combustion of sewage sludge 600 g, ammonium nitrate (carbamide) 147 g, double superphosphate 118 g, potassium chloride 135 g.
EFFECT: invention increases volume of production of mineral fertilizer.
1 cl, 1 dwg, 5 tbl, 3 ex
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Authors
Dates
2019-10-25—Published
2018-03-27—Filed