Grass seed mixed sowing equipment for artificial grassland planting and sowing method

The invention provides grass seed mixed sowing equipment for artificial grassland planting and a sowing method, and relates to the field of grass seed sowing instruments.The grass seed mixed sowing equipment comprises a sowing pipe fitting, a distance adjusting assembly and a pipe laying assembly, and the distance adjusting assembly and the pipe laying assembly make contact with the sowing pipe fitting; a distance adjusting assembly is arranged on the seeding pipe fitting, one end, far away from the seeding pipe fitting, of the distance adjusting assembly is provided with a material walking assembly used for being in contact with the ground, the seeding pipe fitting is sleeved with the pipe walking assembly, and a sliding rod is arranged above the distance adjusting assembly and the pipe walking assembly. According to the processing thought, components such as a material feeding assembly, a distance adjusting assembly, a sliding rod, a seeding pipe fitting, a pipe supporting assembly and a pipe feeding assemb