Fertilizer groove backfilling structure and fertilizer groove backfilling method

The invention relates to a fertilizer groove backfilling structure, and belongs to the field of constructional engineering, the fertilizer groove backfilling structure comprises slope protection piles arranged along the pit wall surface of a foundation pit and a keel framework located in the foundation pit, the keel framework and the slope protection piles are arranged at intervals, and the keel framework is connected with the slope protection piles through a plurality of connecting pieces; a panel layer fully paved on the surface of the side, away from the slope protection pile, of the keel framework is arranged on the side, away from the slope protection pile, of the keel framework, a solidification body formed by solidification of concrete is arranged between the panel layer and the slope protection pile, and the keel framework and the connecting piece are both buried in the solidification body. The invention further discloses a fertile groove backfilling method. The fertile groove backfilling method has t