Device for measuring phosphorus migration and transformation in bioretention facility matrix

The utility model is suitable for the technical field of low-impact development test equipment, and provides a device for measuring phosphorus migration and transformation in a bioretention facility matrix. Comprising a rainwater bucket, a conveying pump and a bioretention facility, the input end of the conveying pump is communicated with the interior of the rainwater bucket, the output end of the conveying pump is communicated with the upper end of the bioretention facility, and a substrate layer used for simulating the outdoor soil environment is arranged in the bioretention facility; the bioretention facility is used for planting plants; a conveying pump is arranged for simulating the rainwater falling process; the interior of the rainwater bucket is used for storing rainwater, and a plurality of sampling openings which are used for sampling and can be opened are formed in the bioretention facility in an array mode. 本实用新型适用于低影响开发试验设备技术领域，提供了一种用于生物滞留设施基质中测定磷迁移转化装置；包括：雨水桶、输送泵和生物滞留设施；所述输送泵输入端设置与雨水桶内部连通，所述输送泵输