System for charging a plant transplanting device comprises a magazine (1) having a base surface with a number of parallel webs arranged vertically on the base surface. The webs together with the base surface form a number of parallel, lateral channels for receiving rows of plant seedlings. A plant ejecting unit is arranged on a transport unit (10) and has a slider that engages in one or more channels of magazine and that can be displaced in the longitudinal direction in the channels so that individual or several rows of plant seedlings can be ejected completely from the magazine in the longitudinal direction of the channels. - Independent claims are also included for the following: - (1) Process for charging a plant transplanting device using the above system; and - (2) Magazine used in the system. - Preferred Features: The magazine has a receiving region (11) and a releasing region (13).