NOVELTY - Bio-organic composite coated fertilizer comprises 10-13 pts. wt. Stellera chamaejasme, 20-24 pts. wt. hops, 33-36 pts. wt. pepper, 25-30 pts. wt. nitrogen, 15-20 pts. wt. phosphate, 17-19 pts. wt. potash, 1-2 pts. wt. sodium silicate, 17-21 pts. wt. ammonium sulfate, 14-18 pts. wt. calcium sulfate, 29-33 pts. wt. urea, 1-2 pts. wt. borax, 8-11 pts. wt. medicinal stone powder, 5-7 pts. wt. effective microorganisms (EM) agents, 7-9 pts. wt. soil improving agent, and balance of water.    USE - Bio-organic composite coated fertilizer.    ADVANTAGE - The bio-organic composite coated fertilizer increases nutrient absorption rate of plant, and has sustained-release effect, improves crop yield and quality, and reduces cultivation costs.    DETAILED DESCRIPTION - Bio-organic composite coated fertilizer comprises 10-13 pts. wt. Stellera chamaejasme, 20-24 pts. wt. hops, 33-36 pts. wt. pepper, 25-30 pts. wt. nitrogen, 15-20 pts. wt. phosphate, 17-19 pts. wt. potash, 1-2 pts. wt. sodium silicate, 17-21 pts. wt. ammonium sulfate, 14-18 pts. wt. calcium sulfate, 29-33 pts. wt. urea, 1-2 pts. wt. borax, 8-11 pts. wt. medicinal stone powder, 5-7 pts. wt. effective microorganisms (EM), 7-9 pts. wt. soil improving agent, and balance of water. The soil improving agent comprises 10-20 pts. wt. iron slag, 1-2 pts. wt. nano carbon powder, 4-5 pts. wt. metasilicate, 17-19 pts. wt. aniline methyl triethoxysilane, 3-4 pts. wt. selenium yeast, 2-3 pts. wt. copper sulfate, 2-3 pts. wt. zinc gluconate, 1-2 pts. wt. magnesium chloride, 2-3 pts. wt. ammonium sulfate, 1-2 pts. wt. boric acid, 4-6 pts. wt. dipentaerythritol hexaacrylate, 30-40 pts. wt. vinegar, 2-3 pts. wt. ferrous sulfate, 1-2 pts. wt. Eucalyptus oil, 5-6 pts. wt. ethyl cellulose, 4-5 pts. wt. jade powder, and 2-3 pts. wt. 3-aminopropyl dimethoxysilane. The fertilizer is prepared by mixing aniline diethoxysilane, dipentaerythritol hexaacrylate, iron slag, nano carbon powder, Eucalyptus oil, hydroxyethyl cellulose, jade powder and 3-aminopropyl trimethoxysilane to obtain a mixture and then heating at 65-75 degrees C, adding remaining ingredients to the heated mixture, and adding the vinegar to the mixture and then stirring using a high speed disperser to form a slurry.