Method for preparing organic fertilizer from livestock waste hair

The invention discloses a method for preparing an organic fertilizer from livestock waste hair. The method comprises the following steps: (1) cleaning the livestock waste hair, soaking in a soak solution, and cleaning the soak solution on the surface with water to obtain modified livestock waste hair; (2) uniformly mixing the modified livestock waste hair, bitter orange and trametes powder, adjusting the water content, inoculating a mixed bacterial suspension, introducing sterile air after inoculation, performing fermentation for 5-7 days, and drying and crushing a fermentation substrate to obtain a hair fertilizer; and (3) uniformly mixing the hair fertilizer, urea, triple superphosphate, potassium sulfate, polyethylene imine and disodium sebacate, adding the mixture into a granulator, granulating, and drying to obtain the organic fertilizer. According to the invention, the organic fertilizer with long fertilizer efficiency and complete nutritional ingredients is prepared by modifyingand fermenting the lives