The Multibor 21 preparation is a mineral fertilizer containing 21% boron. This substance is widely used in agriculture to provide plants with the necessary amount of boron, which promotes their healthy growth and increases yield. The preparation is produced in the form of crystals, making it convenient for storage and application. It is intended for use in cereal crops, where boron deficiency may negatively affect plant growth and development. The manufacturer of the preparation is the Ukrainian PAT "COMPANY "RAIZ". The preparation was registered in 2011, confirming its quality and effectiveness for agricultural use.