NOVELTY - Special fertilizer comprises 620 pts. wt. inorganic fertilizer and 380 pts. wt. organic premix. The inorganic fertilizer comprises 190 pts. wt. urea, 60 pts. wt. monoammonium phosphate, 260 pts. wt. potassium sulfate, 20 pts. wt. magnesium sulfate, 5 pts. wt. zinc sulfate, 5 pts. wt. borax and 80 pts. wt. calcium fertilizer. The organic premix comprises tobacco powder, poultry and livestock manure, alcoholic waste liquid and bagasse ash in a weight ratio of 4:2:2:2.    USE - The special fertilizer is useful for multi-seasonal shallot (claimed).    ADVANTAGE - The special fertilizer supplements nutritional components required by plant, meets growth needs of shallot, improves yield of shallot, and is prepared in an environmentally-friendly manner.    DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for the following: (1) method for preparing the special fertilizer, involves (a) mixing the tobacco powder, poultry and livestock manure, alcoholic waste liquid and bagasse ash in a weight ratio of 4:2:2:2, uniformly stirring obtained mixture, controlling water content of the mixture at 35-45%, adding 1 t calcium superphosphate (having concentration of 16%) and 0.5 t urea to greater than or equal to 100 t mixture, uniformly mixing obtained mixture, stacking the mixture to a width of 1.5-2 m and length of 0.8-1.2 m, subjecting mixture to microbial fermentation for 30-40 days, turning mixture at 60-65 degrees C for every 5-6 days and controlling water content of the mixture at 20-22% during fermentation, drying fermented product, adding additive comprising 0.4 t paclobutrazol, 0.025 t diethyl aminoethyl hexanoate (DA-6) and 2 t Dexon (RTM: Fenaminosulf) to dried fermented product, and uniformly stirring mixture to obtain organic premix, and (b) adding the organic premix and components of inorganic fertilizer to mixer, uniformly mixing obtained mixture, crushing and extruding mixture, and packaging obtained product; and (2) method for using the special fertilizer, involves (a) applying 40 kg special fertilizer as basal fertilizer/mu of field, fertilizing the field to a depth of 5-15 cm, planting shallot seedlings, watering root of the seedlings, and adding 100-300 kg fermented product obtained in above-mentioned method/mu of the field, (b) spraying mixed solution comprising water and 5 kg urea on the seedlings after 10-15 days of planting process, (c) performing topdressing process using 20 kg special fertilizer after 20-25 days of planting process, then performing weeding process, and watering the seedlings, (d) performing topdressing process using 20 kg special fertilizer after 20-30 days, then performing weeding process, and watering the seedlings, and (e) performing above-mentioned steps (c) and (d) to avoid root injury.