Sowing machine for agricultural planting

The invention discloses a sowing machine for agricultural planting. The sowing machine comprises a moving trolley and at least one group of sowing mechanisms mounted on the moving trolley; the sowing mechanism comprises a ditching assembly, a material storage box, a material supply assembly and a sowing pipe, the material storage box is installed on the moving trolley, the sowing pipe is connected with the material storage box through the material supply assembly, seeds are quantitatively supplied to the sowing pipe through the material supply assembly, and the ditching assembly is installed on the moving trolley and located in front of the advancing direction of the sowing pipe. By additionally arranging the material supply assembly, during sowing and discharging, the output end of a motor can drive a material guide block to rotate so as to control the orientation of an opening of a material storage groove, automatic charging and discharging are achieved, the discharging uniformity of crop seeds is effective