NOVELTY - Organic fertilizer comprises (in pts.wt.): corn core (30-40), rice bran (35-45), peat (20-30), straw ash (18-26), sawdust (15-20), vine (8-12), humic acid (6-8), fungus dreg (5-8), zircon (5-6), calcium superphosphate (5-6), potassium sulfate (4-5), polyvinyl alcohol (2-3), brown sugar (2-3), solubilizing bacteria (2-4), potassium solubilizing bacteria (2-4), soil conditioning agent (9-11) and balanced amount of water. Soil conditioning agent (in pts.wt.): kaolin (40-50), medical stone (20-30), sludge (12-18), zinc sulfate (12-16), pumpkin (10-12), apple (8-10) and dickite (6-8).    USE - Organic fertilizer used for growing blueberry (claimed).    ADVANTAGE - The organic fertilizer is eco-friendly, and improves yield of blueberry and suitable for popularization.    DETAILED DESCRIPTION - Organic fertilizer comprises (in pts.wt.): corn core (30-40), rice bran (35-45), peat (20-30), straw ash (18-26), sawdust (15-20), vine (8-12), humic acid (6-8), fungus dreg (5-8), zircon (5-6), calcium superphosphate (5-6), potassium sulfate (4-5), polyvinyl alcohol (2-3), brown sugar (2-3), solubilizing bacteria (2-4), potassium solubilizing bacteria (2-4), soil conditioning agent (9-11) and balanced amount of water. Soil conditioning agent (in pts.wt.): kaolin (40-50), medical stone (20-30), sludge (12-18), zinc sulfate (12-16), pumpkin (10-12), apple (8-10), dickite (6-8), diammonium phosphate (6-8), clamshell (5-8), borax (5-6), sulfuric acid (5-6), ivory mussel powder (4-5), apple shell powder (3-4) and feather meal (2-3). An INDEPENDENT CLAIM is included for a method for preparing organic fertilizer, which involves:    (A) mixing corn core with rear rice bran, straw ash and edible mushroom;    (B) fermenting water, saw dust and potassium solubilizing bacteria;    (C) grinding mixture of peat soil, humic acid, brown sugar and zircon to obtain powder;    (D) grinding calcium superphosphate, potassium sulfate, polyvinyl alcohol and water with obtained mixture to get powder; and    (E) granulating obtained powder to obtain desired product.