PROBLEM TO BE SOLVED: To provide a cultivation device that has less individual differences to cultivation objects and is capable of a uniform cultivation.SOLUTION: According to an embodiment, the cultivation device transfers, along a culture medium channel, containers in which the cultivation objects such as plant seedlings or seeds are planted to cultivate them. The control system controlling the operation of this cultivation device detects the growth state of each cultivation object through a detection device, and changes the channel of each container based on this detection result.SELECTED DRAWING: Figure 1