A harvester which functionally performs harvest of plant is provided. The harvester (9) comprises: a reverse conveying track (91) for supporting a plant keeping box (100) which keeps a cultivation object plant in a conveying way, and guiding the plant keeping box (100) in the form of roughly reversing the vertical configuration of the plant keeping box (100)； a conveying part configured to convey the plant keeping box (100) supported on the reverse conveying track (91)； and a cutting part (93) configured to cut off a part of a plant which is in a state that the vertical configuration is roughly reversed, wherein the part is closer to the lower side than the plant keeping box (100). The reverse conveying track (91) has a returning part (201) which is returned in a rough arc shape towards a rough lower side. The conveying part is a rotary conveying part (92) which is provided with a clamping part (313) capable of being clamped with the plant keeping box (100) at a peripheral part around the axis, and is configured to rotate around a center axis of the inner diameter side of the returning part (201).
