NOVELTY - Fertilizer comprises organic mixture and inorganic fertilizer. The inorganic fertilizer comprises urea, monoammonium phosphate, potassium chloride, magnesium sulfate, zinc sulfate and borax. The fertilizer comprises 38 wt.% organic mixture, 25 wt.% urea, 10 wt.% monoammonium phosphate, 15 wt.% potassium chloride, 8 wt.% magnesium sulfate, 3 wt.% zinc sulfate and 1 wt.% borax. The organic mixture comprises bioorganic material and additive material. The additive material comprises e.g. lotus root growth regulator paclobutrazol and diethyl aminoethyl hexanoate (DA-6).    USE - The fertilizer is useful for double cropping of lotus root (claimed).    ADVANTAGE - The fertilizes produces high yield, and is environmentally friendly.    DETAILED DESCRIPTION - Fertilizer comprises organic mixture and inorganic fertilizer. The inorganic fertilizer comprises urea, monoammonium phosphate, potassium chloride, magnesium sulfate, zinc sulfate and borax. The fertilizer comprises 38 wt.% organic mixture, 25 wt.% urea, 10 wt.% monoammonium phosphate, 15 wt.% potassium chloride, 8 wt.% magnesium sulfate, 3 wt.% zinc sulfate and 1 wt.% borax. The organic mixture comprises bioorganic material and additive material. The additive material comprises lotus root growth regulator paclobutrazol and diethyl aminoethyl hexanoate (DA-6), and disease prevention agent fenaminosulf. The organic mixture comprises 96.966 wt.% bioorganic material, 0.58 wt.% paclobutrazol, 2.43 wt.% fenaminosulf, and 0.024 wt.% DA-6. The bioorganic material comprises 49.26 wt.% tobacco, 39.41 wt.% sugarcane filter mud, 9.85 wt.% alcohol waste liquid, 0.99 wt.% calcium superphosphate and 0.49 wt.% urea. An INDEPENDENT CLAIM is also included for:    (1) producing the fertilizer for double cropping of lotus root, comprising (i) mixing tobacco, sugarcane filter mud, alcohol waste liquid, calcium superphosphate and urea for multiple times, stirring multiple times using forklift or manually, piling in indoor or shed to width of 0.8-1.2 m, height of 0.8-1 m and certain length, natural fermenting the raw material stack for 30-40 days, measuring the fermentation temperature for every 5-6 days, controlling at 60-65 degrees C, turning once with turning machine, and controlling moisture content to 20-22% to obtain biological decomposed bioorganic material, (ii) mixing bioorganic material, paclobutrazol, fenaminosulf and DA-6, and stirring uniformly to form organic mixture, and (iii) mixing organic mixture, urea, monoammonium phosphate, potassium chloride, magnesium sulfate, zinc sulfate and borax, stirring uniformly, extruding and granulating in an extrusion granulator, sieving and bagging; and    (2) use method of the fertilizer for double cropping of lotus root, comprising (i) combining neaten field, spreading the fertilizer as base fertilizer, where for spring lotus, the amount of fertilizer is 20 kg/acre and 16% calcium superphosphate is 20 kg/acre, and for the autumn lotus: the amount of fertilizer is 40 kg/acre and 16% calcium superphosphate is 20 kg/acre.