A water supply pad for water supply whose structure is improved to cover the upper surface of the paddy pad installed in the stack is disclosed. This water supply paddy body is formed so that the front and rear and the upper surface is opened, the main body formed with a coupling groove recessed from the front in the front; And a plurality of water level adjusting partitions fitted to be stacked in the coupling groove to adjust the level of the water passed from the front of the main body to the rear of the main body, wherein the main body has an opening on the upper surface except for a coupling area of the water level adjusting partition. It is configured to include a cover member provided to cover the area. According to the structure of the paddy field for water supply in this way, it is installed in the supply and drainage paths of the paddles so that it is easy to traverse the paddles when moving, and to prevent the inflow of foreign substances such as soil into the inside, and to the existing open structure. In comparison, safety accidents can be prevented. In addition, even when the main body of the paddy field is covered by the cover member, it is possible to adjust the level of the paddy field by the water level control partition.
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