ARCO-P-MgSO4 is a mineral fertilizer containing magnesium oxide and sulfur trioxide. It is intended for use in cereal crops such as barley, as well as in corn and oilseed crops, such as sunflower. The product is available in powder form and can be used for retail sale to the public as well as for use on agricultural enterprises. The fertilizer provides essential nutrients for plants, promoting healthy growth and increasing yield. The product has high content of magnesium oxide (MgO – 23±1%) and sulfur trioxide (SO3 – 46±1%), making it effective for replenishing deficiencies of these elements in soil. This formulation provides comprehensive plant nutrition, promoting improved physiological processes and enhancing resistance to diseases and adverse environmental conditions. The manufacturer, TZO "Mindgames Consulting" from Ukraine, guarantees high product quality meeting international standards. The product was registered on March 23, 2016, under number 9753 and is intended for use in various agricultural crops, including both industrial agriculture and small businesses.