Problem to be solved: to provide a bonsai tray structure that can provide the water necessary for bonsai automatically and long term and maintain the wet state of the bonsai soil for a long time. Solution: the second bony body 20 is housed, and a bottom cover 20 is provided on the bottom surface of the second bony body 20, and a cover 22 has a cover opening 221, and an opening of the cover opening 221 is a stop of the first bondbody 131 and a septum A gap is formed in the separated state. According to the above structure, a sealed space capable of storage and automatic drainage is formed, and in the structure described above, the water absorbs heat and evaporates to the gas, and the volume is expanded and the positive pressure is formed and the positive pressure is formed, and it is sent to the root of the root without overflow, and the soil is wet Automatically supply water required for bonsai. Diagram
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