Micro-ecological compound fertilizer for improving soil environment and preparation method thereof

The invention provides a micro-ecological compound fertilizer for improving a soil environment and a preparation method thereof, belongs to the technical field of soil environment improvement, and solves the technical problems of low production efficiency, poor granulation effect, low yield and the like in the prior art. The micro-ecological compound fertilizer for improving the soil environment comprises a component A and a component B. The component A is prepared from the following raw materials in parts by weight: 70-90 parts of a bio-organic fertilizer base material, 8-16 parts of monoammonium phosphate, 20-30 parts of potassium sulfate, 30-60 parts of bentonite, 15-30 parts of lignite and 3-12 parts of medium trace elements, and the component B is 15-26 parts by weight of liquid biological bacteria. According to the preparation method of the micro-ecological compound fertilizer capable of improving the soil environment, the soil environment improvement effect is good, integrated preparation equipment is