The bio-complex fertilizer according to the present invention is a kind of fertilizer which is full effective and multiple functional and is constituted of bacteria and inorganic and organic compounds. Their ratios are 5-10:15-20:70-75(by weight percentages). The bacteria are firstly fermented in the culture medium, and are then mixed with inorganic and organic compounds. Said fertilizer possesses the ability of significantly improving the fertility of soil and its microbiological environment as well as the function against plant diseases and insect pests. The cost of said fertilizer is low, the production technology is simple, the fertility period is long and is pollution-free. |