Crawler-type solid-liquid mixed spraying lotus root fertilizer applicator

The invention relates to the technical field of agricultural fertilization equipment, in particular to a crawler-type solid-liquid mixed spraying lotus root fertilizer applicator which comprises a rack, a crawler-type driving chassis, a fertilizer collecting assembly and a fertilizer spraying assembly. The rack is connected with the track driving chassis, the fertilizer collecting assembly comprises a water pumping component, a water and fertilizer treatment bin, a water and fertilizer mixing bin, a clear water bin, a fertilizer bin and a mixing component, water is pumped into the clear water bin through the water pumping component and then enters the water and fertilizer mixing bin, and fertilizer is contained in the fertilizer bin and uniformly and controllably falls into the water and fertilizer mixing bin through the mixing component; the fertilizer spraying assembly inputs water and fertilizer mixed liquid in the water and fertilizer mixing bin into the water pumping component for uniform spraying, the v