TECHNOLOGY FOCUS - AGRICULTURE - Preferred Composition: The microbial organic fertilizer comprises (pts.wt.): fermenting material (100) made from dreg (40-50), bone meal (10-20), straw or rice bran (20-30), water (20-30), microzyme liquid or B. subtilis liquid (2-5), and mixing liquid of microzyme liquid and/or B. subtilis liquid (2-5); ferrous sulfate (1-3), zinc sulfate (0.5-1.5), magnesium sulfate (0.5-1), carbamide (1-2), potassium sulfate (1-2), and double superphosphate (1-2).    TECHNOLOGY FOCUS - BIOTECHNOLOGY - Preferred Method: The culture preparation method of microzyme liquid comprises inoculating microzyme strain in bevel active culture medium to activate and culture at 28-30 degrees C for 24-48 hours; inoculating the activated microzyme in seed culture medium (5-30%) and culturing at 28-30 degrees C for 24-48 hours according to first-level seed; inoculating the microzyme liquid cultured via first-level seed in second-level seed culture medium (5-30%); and culturing at 28-30 degrees C for 24-48 hours according to second-level seed to obtain the microzyme liquid for preparing the microbial organic fertilizer. The culture preparation method of B. subtilis liquid comprises inoculating B. subtilis strain in bevel active culture medium (5-30%) to activate and culture at 32-35 degrees C for 24-48 hours; culturing at 32-35 degrees C for 24-48 hours according to the first-level seed; inoculating B. subtilis liquid in second-level seed culture medium (5-30%); and culturing at 32-35 degrees C for 48-72 hours according to the second-level seed, to obtain B. subtilis liquid.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Composition: The bevel active culture medium used in the culture preparation method of microzyme liquid comprises (wt.%): glucose (0.5-1.0) or brown granulated sugar (5-10), peptone (0.5-1.0), magnesium sulfate (0.1-0.2), monopotassium phosphate (0.1-0.3), dipotassium hydrogen phosphate (0.1-0.5), agar-agar (2), and water (balance), where pH is adjusted to 5.6-7.0. The seed culture medium used in the culture preparation method of microzyme liquid comprises (wt.%): glucose (0.5-1.0) or brown granulated sugar (5-10), magnesium sulfate (0.1-0.2), monopotassium phosphate (0.1-0.3), dipotassium hydrogen phosphate (0.1-0.5), and water (balance), where pH is adjusted to 5.6-7.0. The bevel active culture medium used in the culture preparation method of B. subtilis liquid comprises (wt.%): peptone (0.5-1.0), beef extract (0.3-0.5), sodium chloride (0.2-0.5), agar-agar (2), and water (balance), where pH is adjusted to 6.0-7.0. The seed culture medium used in the culture preparation method of B. subtilis liquid comprises (wt.%): pulse flour (0.5-1.0), corn powder (0.5-1.0), sodium chloride (0.2-0.5), monopotassium phosphate (0.1-0.5), and water (balance), where pH is adjusted to 6.0-7.0. ACTIVITY - Fertilizer.