Multi-input multi-output quantitative accurate positioning irrigation and fertilization device

The invention is applicable to the technical field of plant rhizome irrigation and fertilization equipment, and provides a multi-input multi-output quantitative accurate positioning irrigation and fertilization device which comprises a fertilizer storage pool, the fertilizer supply mechanism is connected with the fertilizer storage pools and comprises a plurality of supply pipelines, and a water inlet of each supply pipeline is communicated with different fertilizer storage pools; the fertilizer distribution assembly comprises a shell, one end of the shell is provided with a plurality of fertilizer inlet pipes which are respectively communicated with the water outlet of the supply pipeline, the shell is internally provided with mutually independent material distribution areas which are arranged corresponding to the plurality of fertilizer inlet pipes, and the interior of each material distribution area is slidably connected with a sealing block. The multi-pipeline fertilizer inlet distribution mechanism is ad