NOVELTY - Organic fertilizer comprises rapeseed cake, bran, diatomite, peat, starch, tobacco, medical stone, effective microorganism (EM) microbial inoculum, zeolite powder, ammonium bicarbonate, amino acid, diammonium phosphate, potassium sulfate, chelated zinc, potassium dihydrogen phosphate, water and soil modifying agent comprising iron ore slag, oil shale, dairy manure, Chinese waxgourd peel, shrimp bran, beet pulp, red jade soil, garden burnet, sodium selenite, methyl methacrylate, Cissus, borax and ammonium persulfate.    USE - The organic fertilizer useful for maintaining soil fertility (claimed).    ADVANTAGE - The fertilizer: is environmentally friendly and non-toxic; comprises EM microbial inoculum, which completely decomposes the organic materials during fermentation, increases soil organic matter and beneficial microorganisms year by year; is economical; improves soil structure; comprises medical stone, which stabilizes and increases the physical balance of soil; comprises peat, which increases water retention and aeration of the soil; and increases the nutritional components of the soil.    DETAILED DESCRIPTION - Organic fertilizer comprises 30-40 pts. wt. rapeseed cake, 24-36 pts. wt. bran, 8-12 pts. wt. diatomite, 6-8 pts. wt. peat, 5-8 pts. wt. starch, 5-6 pts. wt. tobacco, 4-5 pts. wt. medical stone, 4-5 pts. wt. effective microorganism (EM) microbial inoculum, 3-5 pts. wt. zeolite powder, 3-4 pts. wt. ammonium bicarbonate, 2-3 pts. wt. amino acid, 2-4 pts. wt. diammonium phosphate, 4-5 pts. wt. potassium sulfate, 2-4 pts. wt. chelated zinc, 3-4 pts. wt. potassium dihydrogen phosphate, water and soil modifying agent comprising 20-30 pts. wt. iron ore slag, 20-24 pts. wt. oil shale, 15-25 pts. wt. dairy manure, 8-10 pts. wt. Chinese waxgourd peel, 6-8 pts. wt. shrimp bran, 6-7 pts. wt. beet pulp, 6-7 pts. wt. red jade soil, 5-6 pts. wt. garden burnet, 5-7 pts. wt. Pouzolzia, 4-5 pts. wt. sodium selenite, 3-5 pts. wt. methyl methacrylate, 4-5 pts. wt. Cissus, 3-4 pts. wt. borax and 3-5 pts. wt. ammonium persulfate. The preparation of the soil modifying agent comprises mixing garden burnet root and Pouzolzia into slurry, filtering to obtain a filter residue and filtrate liquid, mixing oil shale resulted from shale ash and iron slag, mixing with red jade soil, grinding into powder, mixing with sodium selenite, methyl methacrylate, borax and ammonium sulfate, stirring in a stirrer at a speed of 800-1200 revolutions/minute for 30-60 minutes, mixing with filter residue, extruding and granulating, air drying Chinese waxgourd peel and Cissus sintered ash waste, drying dairy manure, beet pulp and shrimp bran, adding into the filtrate liquid, heating under low flame for 10-20 minutes, stirring uniformly, drying and granulating, and mixing the obtained granules with remaining raw materials. An INDEPENDENT CLAIM is also included for preparing the fertilizer, comprising (i) mixing rapeseed cake, diatomite, starch and chelated zinc, spraying atomized water for 30-50 minutes, heating to 60-80 degrees C, cooling, adding EM microbial inoculum, sealing, fermenting for 20-30 days at room temperature to obtain fermented material, (ii) mixing medical stone, zeolite powder, ammonium bicarbonate, diammonium phosphate, potassium sulfate and potassium dihydrogen phosphate, grinding into powder, mixing amino acid, bran, tobacco and peat with water, heating under low flame for 50-70 minutes, stirring uniformly at a speed of 1000- revolutions/minute for 20-40 minutes, natural cooling, extruding and granulating, (iii) mixing with the fermented material, compost fermenting for 10-15 days, turning once in 3 days, drying and granulating, and (iv) mixing the products of the steps (b) and (c) with the remaining raw materials.