Cow dung bio-organic fertilizer as well as preparation method and application thereof

The invention relates to the technical field of agricultural soil fertilizers, and particularly discloses a cow dung bio-organic fertilizer as well as a preparation method and application thereof. Thecow dung bio-organic fertilizer is prepared by the following method: mixing cow dung, traditional Chinese medicine residues, pericarp, potassium ore powder, phosphate ore powder, molasses fermentation liquor and pumice according to a dry matter mass ratio of (50-55): (20-25): (20-30): (15-20): (4-6): (7.5-10): (10-15), and composting and fermenting to prepare a semi-finished organic fertilizer; inoculating the semi-finished organic fertilizer with a composite bacterial agent composed of Bacillus mucilaginosus and Micromonospora roseopurpurea; and preparing the cow dung bio-organic fertilizerthrough secondary fermentation. The high-quality bio-organic fertilizer disclosed by the invention can improve banana growth soil, promote nutrient utilization rate and increase banana yield. 本发明涉及农业土壤肥料技术领域，具体公开了一种牛粪生物有机肥及其制备