Ecological rice field water and fertilizer coupling regulation and control device

The utility model relates to the technical field of ecological rice fields, and provides an ecological rice field water and fertilizer coupling regulation and control device which comprises an irrigation and drainage dual-purpose ditch, a regulation and storage pond, a biochemical pond, three first rice fields, a second rice field and a fish pond, and the biochemical pond, the first rice fields, the second rice field and the fish pond are all connected with the regulation and storage pond through pipelines. The storage pond, the biochemical pond, the first rice field, the second rice field and the fish pond are all arranged in the irrigation and drainage dual-purpose ditch. By means of the technical scheme, the problem that in the prior art, a rice field planting area irrigation drainage technology and a management system are difficult to adapt to ecological rice field water resource circulation efficient utilization is solved. 本实用新型涉及生态稻田技术领域，提出了一种生态稻田水肥耦合调控装置，包括灌排两用沟渠、调蓄池、生化池、三个第一稻田、一个第二稻田和鱼塘，生化池、第一稻田、第二稻田和