Ammonium sulfate — mineral fertilizer used for plant nutrition. It contains nitrogen (21%) and sulfate (24%), promoting active crop growth. The product is applied in maize, spring barley, winter wheat, millet, oats, rice, and potato cultivation. Ukrkoks — a well-known manufacturer ensuring product quality and reliability. The fertilizer is suitable for large-scale field application and can be purchased by the public through retail sales. It provides essential microelements that support plant growth and development. Ammonium sulfate can be used in various agricultural activities to enhance soil fertility. The product was registered on 05.02.2010 with registration number 4236. Manufacturer — Ukrainian Scientific-Industrial Association Ukrkoks, which developed this product for widespread use in agriculture.