Amofoska® NPK 4-10-28 is a universal fertilizer to be applied from early springtime to autumn, particularly on acidic soils and for long vegetation plants. It is foreseen as presowing application for the plants with high demand for potassium. That fertilizer should be first of all used for fertilisation of rape winter crop, sugarbeet, fodder beet, beetroot, potato and fabaceae, i.e. legumes and small-seeded legumes. It is also recommended for effective fertilisation of brassicas and root vegetables. It is also recommended for effective fertilization of brassicas and root vegetables as well as for fruit production. Amofoska® NPK 4-10-28 is a typical presowing fertilizer which has to be mixed with soil after the fertilizer is applied. It is particularly recommendable for the soils of low potassium (assimilable by plants) content.