The invention discloses a fertilization apparatus for agricultural planting. The fertilization apparatus comprises a case; a first slippage chamber is formed in the left side of the case; a first slippage guiding groove is arranged in the inner wall of the left side of the first slippage chamber; a second slippage chamber communicated with the first slippage chamber is formed in the part, located at the right side of the first slippage chamber, of the case; a discharging and conveying groove extending upward and downward is arranged in part, located at the right side of the second slippage chamber, of the case; the top of the second slippage chamber is provided with an opening and closing groove which penetrates the discharging and conveying groove and extends rightwards; the top of the discharging and conveying groove is provided with a hopper-like part; the top part of the hopper-like part is provided with a feeding part; a third slippage chamber is arranged in the part, located above the first slippage chamber, of the case; the left and right inner walls of the third slippage chamber are provided with corresponding third discharging and conveying grooves; a spiral rod is arranged in the first slippage chamber; the bottom of the spiral rod is connected with a first motor; and the spiral rod is in screw-thread fit with an ejector block. The fertilization apparatus provided by the invention is simple in structure, reasonable in design, simple to operate, low in manufacturing and maintenance cost, suitable for individual farmer households, capable of automatically controlling stirring and discharging, uniform in stirring, reduced in labor work and improved in fertilization efficiency.