FIELD: fertilizer production. SUBSTANCE: potassium fertilizers are fabricated in the form of compressed granulates, which are moisture-resistant even at elevated relative humidity. For that end, before compression, finely ground dry magnesium oxide and/or calcium oxide (burnt lime) is added to dry potassium fertilizer in amounts from 0.2 to 2% of the weight of granulate. Calcium oxide/magnesium oxidation, if used, is preferably is burnt dolomite. Fertilizer is characterized by high retained strength when forced under humid climate storage conditions. EFFECT: increased moisture resistance. 5 cl, 2 tbl, 2 ex
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