1. A device for watering plants by periodic flooding with a nutrient solution, including a flooded tray, a working container for a nutrient solution, connected to the specified flooded tray by means of supplying a solution for periodic flooding of the tray, and associated with means for periodic air injection, characterized in that for a stable level of periodic flooding of plants, the device includes an additional container for the nutrient solution installed in the device body or next to the device, the said container has a neck at the bottom in the form of at least one hole and / or tube. 2. The device according to claim 1, characterized in that the additional container is located in the device body in height between the tray and the working container, the working container is located at the bottom of the device body. The device according to claim 2, characterized in that the working container is made in the form of an inverted bowl, in the upper part of which there is an opening for connecting the air injection channel and a tube for supplying the solution to the tray and exiting excess air, the additional container is made in the form of an upper inverted bowl with the formation of a neck by the lower edge of the bowl and installed above the working container with the formation of a gap between the container neck and the working container, while the air injection channel and the tube for supplying the solution to the tray and outgoing excess air are installed outside the container, the tray is formed by the side walls of the upper part of the device body, the bottom the tray is the top of the container. 4. The device according to claim 2, characterized in that the working capacity is madeПолезная модель относится к устройствам полива растений, выращиваемых на искусственных питательных средах в специальных условиях. Задачей предлагаемой полезной модели является разработка устройства для автоматического полива растений, обеспечивающего продолжительное время автон
