Vap-Mag is a mineral fertilizer in granular form, intended for use in agriculture. It contains calcium oxide (CaO) at 28±0.9%, magnesium oxide (MgO) — 16±0.9%, and sulfur trioxide (SO3) content does not exceed 10%. The product is manufactured by the chemical enterprise "Sierkopol", located in Poland. This fertilizer is used for cereal crops and rapeseed, supplying plants with necessary microelements and improving soil quality. Vap-Mag can be used as a main fertilizer or in combination with other agricultural products. Due to its high calcium and magnesium content, it strengthens plants, increases their resistance to diseases and adverse conditions, and improves crop quality. Its granular form allows for easy and uniform distribution across the field. Vap-Mag is suitable for use in various climatic zones and soil conditions, making it a versatile choice for farmers. Its application improves soil structure, enhances fertility, and increases crop yields. This allows for significant reduction in fertilizer costs and improved economic efficiency of agricultural production.