Organic fertilizer for reducing greenhouse gas emission in flue-cured tobacco planting process and application

The invention discloses an organic fertilizer for reducing greenhouse gas emission in a flue-cured tobacco planting process and application, and belongs to the technical field of flue-cured tobacco planting, the organic fertilizer comprises a commercially available organic fertilizer, humic acid, a microbial agent and composite microalgae dry powder; the mass ratio of the raw materials is (2000-3000): (60-120): (11-20): (9-18); wherein the microbial agent comprises bacillus subtilis powder, bacillus megatherium powder, bacillus licheniformis powder, trichoderma harzianum powder and azotobacter chroococcum powder in a mass ratio of 1: 1: 1: 1.5: 2; the composite microalgae dry powder comprises chlorella species dry powder and diatom species dry powder in a mass ratio of 2: 1; in use, a tobacco field is subjected to soil preparation and compartment opening, and the microbial agent and the commercially available organic fertilizer are fully mixed and then applied along the central line of the ridge bottom; where