Amino acid water-soluble fertilizer applying device

The invention discloses an amino acid water-soluble fertilizer applying device which comprises a spraying device, a fertilizer box, a stirrer and a magnetic filter, a magnetic filter is arranged at one end of the stirrer, and a stirrer is arranged on the outer side of a box cover arranged on one side of the fertilizer box; a liquid outlet pipe is arranged in a bracket arranged below the fertilizer box and is connected with a spraying device; magnetic rings are arranged on sliding rails arranged on the two sides of the support. A magnetic cross bracket of the stirrer is arranged in a rotating groove formed in the outer side of the box cover; according to the invention, the stirring blades and the filtering blades are coated with the filtering cloth to filter insoluble substances and flocculent precipitates; the magnetic cross-shaped support is arranged on the stirrer to attract the stirrer to rotate, so that the power mechanism and the stirring mechanism are separated, the stirrer is convenient to take out, cl