A device (1) for administering a fluid to substrate bodies provided with a plant includes a frame (2), at least one position station provided on the frame (2) for one or more substrate bodies and at least one fluid device at the position station for urging the fluid into the substrate body, wherein the fluid device includes at least one fluid dispenser, a source (5) of fluid and a conduit (15) for fluid situated in between them, as well as pressure element (6) for supplying a dose of fluid under pressure to the fluid dispenser.