NOVELTY - Urea-formaldehyde resin coated slow-release fertilizer includes 12-15 pts. wt. bean curd residue, 9-13 pts. wt. lotus pond sludge, 6-7 pts. wt. ammonium sulfate, 8-10 pts. wt. sodium bicarbonate, 6-8 pts. wt. potassium chloride, 9-10 pts. wt. magnesium phosphate, 4-5 pts. wt. cupric sulfate, 2-4 pts. wt. potassium oxide, 2-3 pts. wt. alpha -olefin sulfonate and 5-6 pts. wt. additive. Preparation of additive involves taking 6-7 pts. wt. agar, adding 50 pts. wt. water, heating, stirring, adding 3-5 pts. wt. glycerol and 1-2 pts. wt. zinc sulfate, heating continuously for 70-80 minutes and cooling.    USE - Urea-formaldehyde resin coated slow-release fertilizer.    ADVANTAGE - The fertilizer is environment-friendly and reduces dosage.    DETAILED DESCRIPTION - Urea-formaldehyde resin coated slow-release fertilizer comprises 5-7 pts. wt. egg shell, 8-10 pts. wt. sheep manure, 7-9 pts. wt. sawdust, 16-20 pts. wt. rice water, 12-15 pts. wt. bean curd residue, 11-13 pts. wt. wheat bran, 9-13 pts. wt. lotus pond sludge, 2-3 pts. wt. biological microbial inoculum, 10-12 pts. wt. dolomite, 6-7 pts. wt. ammonium sulfate, 8-10 pts. wt. sodium bicarbonate, 6-8 pts. wt. potassium chloride, 9-10 pts. wt. magnesium phosphate, 4-5 pts. wt. cupric sulfate, 2-4 pts. wt. potassium oxide, 6-7 pts. wt. urea-formaldehyde resin, 1-2 pts. wt. ethanol, 0.5-1 pt. wt. acetone, 2-3 pts. wt. alpha -olefin sulfonate, 5-6 pts. wt. additive and water. Preparation of additive comprises taking 6-7 pts. wt. agar and 10-14 pts. wt. starch, adding 50 pts. wt. water, heating, stirring, adding 3-4 pts. wt. ethylene glycol dimethacrylate, 1-2 pts. wt. bamboo charcoal powder, 7-9 pts. wt. borax, 5-6 pts. wt. zinc borate, 3-5 pts. wt. glycerol, 1-2 pts. wt. zinc sulfate and 2-3 pts. wt. ammonium molybdate, heating continuously for 70-80 minutes and cooling. An INDEPENDENT CLAIM is included for the preparation of urea-formaldehyde resin coated slow-release fertilizer comprising taking egg shell, sheep manure, sawdust, bean curd residue, wheat bran and lotus pond sludge, crushing to 160-mesh, diluting with 10 times water, adding biological microbial inoculum, adjusting water content to 30% with rice water, fermenting at 37-45 degrees C for 18-22 days and stirring once every 2 days to obtain component A; taking ammonium sulfate, sodium bicarbonate, potassium chloride, magnesium phosphate, cupric sulfate and potassium oxide, adding 5-6 times water, heating, stirring, adding urea-formaldehyde resin, ethanol, acetone and alpha -olefin sulfonate, stirring for 5-10 minutes, adding 60-mesh dolomite and stirring for 40-50 minutes to obtain component B; and combining two components, adding additive, stirring for 30-40 minutes and granulating.