Abstract: This invention relates to an agricultural disc for use in agricultural work, such as to open furrows in the soil for sowing or to prepare the land for tillage and grinding, comprising two surfaces, a cutting circular perimeter edge and a plurality of notches located on a first surface of said agricultural disc, distributed in a circular matrix shape concentric to the agricultural disc, located adjacent to the perimeter edge. The invention also comprises the process for manufacturing the agricultural disc comprising a step of creating a plurality of undulations in a circular disc and a step of shaving or straightening via machining the crests generated on a second surface when the undulations are generated.