Fecha de publicación: -- Fuente: WIPO "biotechnology" The double-disc coulter for resource-saving technology of sowing grain crops includes a body, semi-axles on which disks of different diameters are installed, a seed guide and a leash for attaching the coulter to the seeder frame. The peripheral part of the larger diameter disk is notched. The cutouts are conical in shape, the sides of which make an angle with the disk radius less than the angle of friction of sliding of crop stalks on metal, and the depth of the cutouts is equal to the difference in radii of differently sized coulter disks.