Intelligent no-tillage corn planter

A suspension bracket is fixed to the front end of a main rack, a power assembly is installed on the lower portion of the suspension bracket, the main rack is sequentially provided with an anti-blocking assembly, a ditching and fertilizer discharging assembly and a profiling sowing single body from front to back, and a positive pressure fan is installed at the position, behind the suspension bracket, of the main rack. The power assembly provides power for rotation of the positive pressure fan; each profiling seeding unit is provided with a positive pressure type seed-metering device, and a positive pressure fan is connected with the positive pressure type seed-metering device of each row of profiling seeding units through an airflow distributor; the profiling control module, the wind pressure control module and the seed metering control module are all electrically connected with the main controller, wherein the profiling control module is used for controlling the downward pressure of each row of profiling seed