Trefos Mg-Mn is a mineral fertilizer containing phosphorus and potassium in high concentrations, as well as micronutrients manganese and magnesium in the form of EDTA chelates. The preparation is intended for use in agriculture, particularly for growing cereal crops. Its composition provides plants with a complex of nutrients, promoting improved growth and development. The preparation has a liquid form, which facilitates its application and allows for even distribution of dosage over the area. Manganese and magnesium in chelated form ensure high bioavailability of micronutrients, which contributes to improved physiological processes in plants. Use of Trefos Mg-Mn may contribute to increased yield and quality of cereal crops. The manufacturer of the preparation is the company TRADECORP, which specializes in the development and production of high-quality agricultural products. The preparation was registered on February 28, 2014, under number 7820 and may be used within agricultural production to ensure plants receive all necessary nutrients.