Alkaline tobacco planting soil bioremediation agent and preparation method thereof

The invention discloses an alkaline tobacco planting soil bioremediation agent which is composed of biochemical organic acid, molasses, a complex microbial inoculant and water, and the complex microbial inoculant is composed of lactobacillus plantarum, lactobacillus acidophilus and clostridium butyricum. The invention further discloses a preparation method of the alkaline tobacco planting soil bioremediation agent. The preparation method comprises the steps of strain preparation, complex microbial inoculant preparation and remediation agent preparation. According to the alkaline tobacco planting soil bioremediation agent, beneficial microorganism acid production and optimized combination of organic matter and organic acid are utilized, the soil micro-ecological environment is improved, the soil looseness is improved, soil nutrient supply is increased, the remediation effect and stability are improved, meanwhile, crop growth is promoted, and the crop yield is increased; the method has the characteristics of no