Rock green covering and fertilizer retaining device

The utility model discloses a rock green-covering and fertilizer-retaining device, which belongs to the technical field of geological environment governance and comprises a geological layer, a green-covering soil layer is arranged on the upper surface of the geological layer, plants are planted on the green-covering soil layer, a fertilizer-retaining component is arranged at the upper end of the green-covering soil layer, and the fertilizer-retaining component is arranged on the upper end of the green-covering soil layer through mutual matching of a sealing pipe and a hollow pipe. The liquid outlet pipes discharge liquid at the same time, the difference of the liquid outlet amount of the liquid outlet pipes is shortened, the situation that the plant growth vigor is affected by the large difference of the liquid outlet amount of the liquid outlet pipes is avoided, and the problem that the plant growth vigor is obviously different is solved. 本实用新型公开了岩石覆绿保肥装置，属于地质环境治理技术领域，包括地质层，所述地质层上表面设有覆绿土壤层，所述覆绿土壤层上种植有植物，所述覆绿