Potting test watering buffer device

The utility model discloses a potting test watering buffer device which comprises a first cover body and a second cover body, the first cover body and the second cover body are symmetrically arranged, one side of the first cover body and one side of the second cover body are rotationally connected, and water passing mesh holes are formed in the outer side wall of the first cover body and the outer side wall of the second cover body. The first cover body and the second cover body are arranged on the periphery of the stem of a test crop in a surrounding mode and cover the potting planting soil. Buffering balls for buffering water flow are contained in the first cover body and the second cover body. The connecting rod is fixedly connected with the bottom of the first cover body or the second cover body; the connecting rod is connected to the edge of the top of the vertical rod in a sliding manner; the fixing ring is arranged on the outer side wall of the pot experiment pot in a sleeving mode, and the fixing ring