Temperature-resistant and acid-alkali-resistant strain, screening method, microbial inoculum and application

The invention relates to a temperature-resistant and acid-alkali-resistant bacterial strain, which is Ureibacillus terrenus, is named as Ureibacillus terrenus L2, is preserved in China General Microbiological Culture Collection Center (CGMCC) on July 30, 2021, and has a preservation number of CGMCC No.22991. The temperature-resistant and acid-alkali-resistant bacterial strain has the advantages that the temperature-resistant and acid-alkali-resistant bacterial strain can be applied to the field of agricultural production, and the production cost is low; the strain can keep higher activity at 40-90 DEG C, can survive in an environment with wider pH (4.0-11.0) range and keep higher activity, and simultaneously has remarkable cellulase activity, protease activity and lipase activity, so that the strain can be widely applied to an aerobic composting process of various agricultural solid wastes (including but not limited to livestock and poultry manure and crop straws), and can be applied to the aerobic composting