Silver Mix — water-based plant growth regulator used to enhance the effectiveness of growth and development of cereal grain crops. The preparation contains colloidal silver and polyhexamethylene biguanide hydrochloride, allowing optimal results upon application. It is used in a single-application mode, which is convenient for farmers and agricultural enterprises. The recommended dosage is 60.0-100.0 ml per ton (0.06-0.1 ml/kg) or 60.0-100.0 ml per hectare (0.6-1.0 ml/100 m²), ensuring effective application without excessive expenses. The preparation is manufactured by the company PP "Charoit", located in Kyiv, Ukraine. Silver Mix can be used for root feeding and soil fertilization. Its application allows achieving stable results in cereal crop production, ensuring healthy growth and high productivity.