A scraper for a single-disc opener air seeder, comprising a mounting bracket, scraper attachment member, scraper plate, scraper edge containment member, scraper edge, bolt, spring, and nut, wherein the scraper attachment member is attached to the mounting bracket by the bolt, wherein the mounting bracket comprises a main surface, wherein the bolt comprises a top end, wherein the nut is screwed onto the top end of the bolt, wherein the spring lies between the main surface of the mounting bracket and the nut on the top end of the bolt, wherein the scraper attachment member is connected to the scraper plate, wherein the scraper plate is connected to the scraper edge containment member, and wherein the scraper edge containment member is connected to the scraper edge. Two different embodiments of the mounting bracket for installation on the seed / fertilizer boot and depth wheel sides of the opener disc.