Adjusting quantity of sowed seeds and fertilizer apparatus in direct seeding machine

PURPOSE: A seed discharge control device for a sowing machine is provided to rapidly and conveniently control the discharged amount of fertilizers and seeds. CONSTITUTION: A seed discharge control device for a sowing machine comprises a body unit(110) which is formed with an upper and lower opening and comprises a horizontal shaft insertion hole, a roller unit(130) which is rotated by an external rotary power and comprises multiple seed accommodating grooves with an interval in the columnar direction, an opening and shutting slide unit(150) which opens and closes the multiple seed accommodating grooves, and an opening and closing controller(170) which is connected to the guide body. [Reference numerals] (AA) Rotation