A disc planter (10) for applying fertilisers and seeds to soil, and incorporating previously applied chemicals therein, the disc planter (10) having a frame (12) with a longitudinal forward direction of travel, and a plurality of rotatable tools mounted in series to the frame, the plurality of rotatable tools including a fertiliser furrow opening disc (16), a seed furrow opening disc (18), a soil throw controlling wheel (20), a soil closing wheel (22)and a soil disturbing star wheel (24), wherein the fertiliser furrow opening disc (16), seed furrow opening disc (18), and soil disturbing star wheel (24) are alternately oppositely inclined to one another in the forward direction of travel, the fertiliser furrow opening disc (16), seed furrow opening disc (18), soil throw controlling wheel (20), soil closing wheel (22) and soil disturbing star wheel (24) are longitudinally spaced and alternately laterally offset from one another in the forward direction of travel, the soil throw controlling wheel (20) is closely adjacent to and rearwardly overlapping the seed furrow opening disc (18), and the soil closing wheel (22) is laterally aligned with the seed furrow opening disc (18) in the forward direction of travel.Linvention porte sur un plantoir à disque (10) pour appliquer des engrais et des graines dans le sol, et y incorporer des produits chimiques appliqués au préalable, le plantoir à disque (10) comportant un châssis (12) dont la direction de déplacement longitudinale va vers lavant, et une pluralité doutils rotatifs montés en série sur le châssis, la pluralité doutils rotatifs comprenant un disque douverture de sillon pour engrais (16), un disque douverture de sillon pour graines (18), une roue de commande de projection de sol (20), une roue de fermeture de sol (22) et une roue en étoile de remuement de sol (24). Selon linvention, le disque douverture de sillon dengrais (16), le disque douverture de sillon de graines (18) et la roue en étoile de remuement de sol (24)
