PROBLEM TO BE SOLVED: To provide a rice transplanter which can cut the roots of preliminary seedlings extending from a bottom face of a seedling tray in which the preliminary seedlings are grown when conveying the seedling tray.SOLUTION: A rice transplanter comprises: a traveling machine body a planting part for planting seedlings, which is located at the rear part of the traveling machine body a conveyance device for conveying a seedling tray having a porous bottom face, in which preliminary seedlings are grown, from the front part of the traveling machine body to the rear part, and which has a plurality of conveyance rollers provided at an appropriate interval in a conveying direction and cutting means for cutting the roots of the preliminary seedlings extending from the bottom face to the outside of the seedling tray, which is disposed so as to be in contact with the bottom face of the seedling tray to be conveyed.COPYRIGHT: (C)2015,JPO&INPIT【課題】予備苗を生育させた育苗トレイを搬送する際に、育苗トレイの底面から伸びる予備苗の根を切断することができる田植機の提供。【解決手段】走行機体と、走行機体の後部に位置し、苗を植付ける植付部と、多孔状の底面を有し、予備苗を生育させた育苗トレイを、走行機体の前部から後部へ搬送すべく、搬送方向に適宜間隔を隔てて設けた複数の搬送ローラを有する搬送装置とを備えた田植機において、搬送すべき育苗トレイの底面に当接するように配置してあり、底面から育苗トレイの外側へ伸びる予備苗の根を切断する切断手段を備える。【選択図】図4
