PROBLEM TO BE SOLVED: To provide a ground crop harvester capable of performing a harvesting work without any interference of a foliage extending from an adjoining levee unharvested with a digging part, at the passing time of the digging part.SOLUTION: A ground crop harvester 1 for digging and harvesting ground crops while running along levees comprises: a digging part 10 for digging out the ground crops and a transportation conveyor 21 for conveying the crops dug out by the digging part 10, backward of the advancing direction. The digging part 10 includes: side plates 22 disposed on the two transverse sides of the transportation conveyor 21 a digging blade 11 arranged on the front side of the front end of the transportation conveyor 21 and a colter 12 arranged on the sides of the digging blade 11. On the outer side of the front position of the side plates 22, there is arranged an inter-levee suppressing roller 14 supported rotatably by a grounding resistance.COPYRIGHT: (C)2015,JPO&INPIT【課題】掘取部の通過時に隣の未収穫畦から延びる茎葉が掘取部に干渉することなく収穫作業を行うことができる。【解決手段】畦に沿って走行しながら地中作物を掘り取って収穫する地中作物収穫機1であって、地中作物を掘り取る掘取部10と、掘取部10が掘り取った作物を進行方向後方側に搬送する搬送コンベヤ21を備え、掘取部10は、搬送コンベヤ21の左右両側に設けた側板22と、搬送コンベヤ21の前端の前方側に配備される掘取刃11と、掘取刃11の側方に配備されるコールタ12とを備え、側板22の前方位置の外側には、接地抵抗によって回転自在に支持される畦間鎮圧ローラ14が配備されている。【選択図】図2