NOVELTY - Bio-organic complex fertilizer comprises chicken manure, pig manure and dairy manure, 40-44% corn straw, 6-10% rape straw, 4-5% rice powder, 4% bran, 3% edible fungi residues, 4% beer, 2% soy sauce, 1% monosodium glutamate, 2% fermented cake, 3% oil cake cypress, 3% mildew feed, 0.2% humic acid chelate magnesium, 0.3% humic acid chelate zinc, 0.4% humic acid chelated calcium, 0.3% humic acid, 0.1% chelated manganese, 0.2% cellulose-decomposing bacteria, 0.1% biological bacteria, 0.2% protein decomposition bacteria, 0.1% phosphorus, 0.05% potassium, 0.1% yeast, and 0.1% actinomycete.    USE - Bio-organic complex fertilizer.    ADVANTAGE - The fertilizer has low cost, strong activity, high humic acid chelating microelement content, and is convenient to use.    DETAILED DESCRIPTION - Bio-organic complex fertilizer comprises chicken manure, pig manure and dairy manure at ratio of 5:4:1, 40-44% corn straw, 6-10% rape straw, 4-5% rice powder, 4% bran, 3% edible fungi residues, 4% beer, 2% vinegar dregs, 3% starch, 2% soy sauce, 1% monosodium glutamate, 2% fermented cake, 3% oil cake cypress, 3% mildew feed, 2% organic fertilizer, 0.4% humic acid chelated iron, 0.4% humic acid chelate copper, 0.2% humic acid chelate magnesium, 0.3% humic acid chelate zinc, 0.4% humic acid chelated calcium, 0.3% humic acid, 0.1% chelated manganese, 0.2% cellulose-decomposing bacteria, 0.1% biological bacteria, 0.2% protein decomposition bacteria, 0.1% phosphorus, 0.05% potassium, 0.1% yeast, and 0.1% actinomycete. An INDEPENDENT CLAIM is included for preparation of bio-organic complex fertilizer comprising adding cellulose-decomposing bacteria in fermentation tank, adding chicken manure, pig manure, cow dung, nitrogen-fixing bacteria, protein decomposition bacteria, phosphorus bacteria, potassium bacteria, rhizobium, ammonifying, uniformly mixing, sealing to ferment, drying, crushing corn straw, rape straw, rice powder, bran, edible fungi slag, beer, vinegar dregs, starch residue, soy sauce residue, monosodium glutamate dreg, oil cake cypress, and mildew feed, adding water and organic fertilizer into fermenting tank, adding ferment powder, uniformly mixing, fermenting organic fertilizer and humic acid chelated iron, chelated copper humic acid, humic acid chelate magnesium, humic acid chelated zinc and chelated calcium humic acid, and humic acid chelate manganese, feeding, mixing, granulating into dryer, drying at 36-40 degrees C, and packing to obtain the finished product.