The preparation CROWN MN is intended for use in agriculture and is applied during the vegetation period. It contains maleic hydrazide, which helps regulate plant growth. The preparation is used for potatoes and onions, with application rates of 11 liters per hectare for potatoes and 8.9 liters per hectare for onions. This is a single application that promotes accelerated plant maturation and enhances their resistance to adverse conditions. The preparation is produced by Kreglinger Europe NV, located in Belgium. CROWN MN is suitable for use on large areas due to its effectiveness and economy. It helps reduce plant stress and ensures more uniform crop development. This approach contributes to improved product quality and increased yield. The preparation is environmentally safe and can be used within integrated plant protection systems. Application of CROWN MN is recommended in accordance with the manufacturer's instructions to achieve maximum effect. It is suitable for use by professional agronomists and farmers seeking to enhance the efficiency of their agricultural operations. The preparation represents a modern solution for managing plant growth under modern farming conditions.