NOVELTY - Slow release fertilizer comprises 15-20 pts. wt. traditional Chinese medicinal residue, 25-35 pts. wt. pig manure, 45-60 pts. wt. cotton seed hull, 4-5 pts. wt. bacteria, 10-15 pts. wt. flour, 2-3 pts. wt. gelatin, 7-10 pts. wt. sweet potato slag, 20-30 pts. wt. peat, 5-8 pts. wt. yellow sand, 15-25 pts. wt. gypsum powder, 5-8 pts. wt. calcium superphosphate, 8-10 pts. wt. potassium sulfate, 12-18 pts. wt. boron, 8-12 pts. wt. diammonium phosphate, 3-4 pts. wt. EDTA chelated manganese, 3-5 pts. wt. EDTA chelated iron, 3-4 pts. wt. coating agent and balanced amount of water.    USE - Slow release fertilizer.    ADVANTAGE - The slow release fertilizer prevents yellowing of flower blade and enhances stress resistance, and ensures good water retaining effect and increased organic matter content, soil quality and mineral absorption.    DETAILED DESCRIPTION - Slow release fertilizer comprises 15-20 pts. wt. traditional Chinese medicinal residue, 25-35 pts. wt. pig manure, 45-60 pts. wt. cotton seed hull, 4-5 pts. wt. bacteria, 10-15 pts. wt. flour, 2-3 pts. wt. gelatin, 7-10 pts. wt. sweet potato slag, 20-30 pts. wt. peat, 5-8 pts. wt. yellow sand, 15-25 pts. wt. gypsum powder, 5-8 pts. wt. calcium superphosphate, 8-10 pts. wt. potassium sulfate, 12-18 pts. wt. boron, 8-12 pts. wt. diammonium phosphate, 3-4 pts. wt. EDTA chelated manganese, 3-5 pts. wt. EDTA chelated iron, 3-4 pts. wt. coating agent and balanced amount of water. The coating agent comprises 1-2 pts. wt. divinyl benzene, 4-6 pts. wt. calcium oxide, 3-5 pts. wt. melamine formaldehyde resin, 6-9 pts. wt. isopropyl alcohol, 3-5 pts. wt. bamboo carbon powder, 2-4 pts. wt. acetic acid, 1-2 pts. wt. glycerin, 8-10 pts. wt. limestone powder, 0.5-1 pts. wt. sulfuric acid and balanced amount of water. An INDEPENDENT CLAIM is included for a method for preparing slow release fertilizer, which involves:    (A) crushing traditional Chinese medicinal residue, pig manure, cotton seed hulls, yellow sand, peat soil and water to obtain homogenate;    (B) mixing flour, sweet potato slag, gelatin, bacteria and water to obtain slurry;    (C) mixing slurry and obtained homogenate to obtain mixture;    (D) mixing obtained mixture, calcium superphosphate, potassium sulfate, boron fertilizer, diammonium phosphate, EDTA chelated manganese, EDTA chelated iron and remaining components;    (E) heating and stirring obtained mixture with water for 30-40 minutes;    (F) granulating heated mixture with gypsum powder;    (G) drying obtained granules;    (H) film-coating dry granules with coating agent at 60-80 degrees C; and    (I) air-drying coated granules with 10-15 minutes to obtain product.