NOVELTY - Controlled release fertilizer composition comprises 10-14 pts. wt. shaddock peel, 12-15 pts. wt. orange peel, 15-19 pts. wt. vegetable residue, 10-15 pts. wt. dolomite, 5-7 pts. wt. plant ash, 8-10 pts. wt. mushroom, 20-30 pts. wt. attapulgite, 2-3 pts. wt. biological microbial inoculum, 4-7 pts. wt. potassium phosphate, 4-6 pts. wt. ammonium carbonate, 10-12 pts. wt. urea, 6-7 pts. wt. calcium superphosphate, 4-5 pts. wt. potassium chloride, 8-10 pts. wt. alkyd resin, 2-3 pts. wt. ethyl alcohol, 3-4 pts. wt. sodium dodecyl benzene sulfonate and 4-5 pts. wt. crosslinking agent.    USE - Controlled release fertilizer composition used for planting eggplant (claimed).    ADVANTAGE - The controlled release fertilizer composition is eco-friendly in nature.    DETAILED DESCRIPTION - Controlled release fertilizer composition comprises 10-14 pts. wt. shaddock peel, 12-15 pts. wt. orange peel, 15-19 pts. wt. vegetable residue, 10-15 pts. wt. dolomite, 5-7 pts. wt. plant ash, 8-10 pts. wt. mushroom, 20-30 pts. wt. attapulgite, 2-3 pts. wt. biological microbial inoculum, 4-7 pts. wt. potassium phosphate, 4-6 pts. wt. ammonium carbonate, 10-12 pts. wt. urea, 6-7 pts. wt. calcium superphosphate, 4-5 pts. wt. potassium chloride, 8-10 pts. wt. alkyd resin, 2-3 pts. wt. ethyl alcohol, 3-4 pts. wt. sodium dodecyl benzene sulfonate, 4-5 pts. wt. crosslinking agent and balanced amount of water, where the crosslinking agent comprises 2-3 pts. wt. butyl acrylate, 3-5 pts. wt. tributyl citrate, 2-3 pts. wt. rosin powder, 5-7 pts. wt. wood flour, 1-2 pts. wt. N,N-methylenebisacrylamide, 4-5 pts. wt. ethyl alcohol, 1-2 pts. wt. shellac and balanced amount of water. The crosslinking agent is prepared by mixing rosin powder, wood flour, butyl acrylate, tributyl citrate and N,N-methylenebisacrylamide with aqueous ethyl alcohol solution, and then heated them at 70-90 degrees C. The obtained material is mixed with shellac, and then heated them for 20-30 minutes to obtain the finished product. An INDEPENDENT CLAIM is included for a method for preparing a liquid fertilizer composition, which involves:    (A) crushing shaddock peel, orange peel, vegetable residue, plant ash, mushroom and attapulgite into 140 meshes size powder, and then adding biological microbial inoculum to the obtained material;    (B) fermenting the obtained material at 38-42 degrees C for 20-23 days;    (C) mixing potassium phosphate, ammonium dihydric phosphate, urea, calcium superphosphate and potassium chloride and water;    (D) heating the obtained material for 10-15 minutes, and then adding alkyd resin, sodium dodecyl benzene sulfonate, ethyl alcohol, crosslinking agent and remaining raw material to the obtained material;    (E) adding crushed granular sand to the obtained material, and then heating them for 30-40 minutes;    (F) cooling the obtained material naturally, and then crushing them into 20 meshes granule; and    (G) mixing the obtained granules with the obtained fermented material to obtain the finished product.