Environment-friendly livestock and poultry manure organic fertilizer and preparation method of environment-friendly livestock and poultry manure organic fertilizer

The invention relates to an environment-friendly livestock and poultry manure organic fertilizer and a preparation method of the environment-friendly livestock and poultry manure organic fertilizer. The environment-friendly livestock and poultry manure organic fertilizer is prepared from the following components in parts by weight: 40 to 88 parts of livestock and poultry manure, 20 to 25 parts ofwormcast, 20 to 22 of cassava residues, 10 to 22 parts of furfural residues, 0.1 to 6 parts of a microbial preparation, 3 to 9 parts of ammonium bicarbonate, 10 to 15 parts of motherwort, 10 to 20 parts of clay and 10 to 22 parts of bentonite. The preparation method comprises the following steps: removing heavy metals from livestock and poultry manure, preparing the wormcast, pre-treating the motherwort, performing composting fermentation to obtain thoroughly decomposed livestock and poultry manure and granulating. The environment-friendly organic fertilizer for livestock and poultry manure and the preparation method