PROBLEM TO BE SOLVED: To provide a seedling transplanter for easily and accurately grasping a moment when a seedling platform reaches to right and left side edges.SOLUTION: The seedling transplanter includes: a travelling apparatus 6, 7 for travelling and supporting a machine body the seedling platform 80 reciprocating in right and left directions by loading seedlings at rear part of the machine body a seedling detector 136 detecting the presence of the seedling in the seedling platform 80 a seedling conveyor 79 sequentially conveying the seedlings in the seedling platform 80 an actuating member 86 actuating the seedling conveyor for driving the seedling conveyor 79 when the seedling platform 80 moves until the right and left edges a planting apparatus 37 taking out the seedling from the seedling platform 80 and planting to a field an operation part 21 where a worker operates the apparatuses on the machine an actuation detector 201 arranged at the operation part 21 and including a planting operation member 24 for switching the forward/backward travelling and operation of the traveling apparatus 6, 7 for detecting the actuation of the actuating member 86 actuating seedling conveyor and a notification member 202 for informing by a controller C corresponding to a detection signal from the actuation detector 201.COPYRIGHT: (C)2012,JPO&INPIT【課題】苗載台が左右の側端部に到達するタイミングを容易かつ的確に把握することができる苗移植機を提供する。【解決手段】苗移植機は、機体を走行支持する走行装置6,7と、機体の後部で苗を積載して左右方向に往復移動動作する苗載台80と、苗載台80の苗の有無を検知する苗検知体136と、苗載台80の苗を順次先送りする苗送り装置79と、苗載台80が左右端部まで移動すると苗送り装置79を駆動させる苗送り作動部材86と、苗載台80から苗を取って圃場に植付けする植付装置37と、作業者が機上で機器操作するための操縦部21と、操縦部21に配置されて走行装置6,7の前後進切替および作業切替のための植付操作部材24とを設けて構成され、上記苗送り作動部材86の作動を検知する作動検知体201と、作動検知体201からの検知信号に応じて制御装置Cにより報知動作する通知部材202とを設けたものである。【選択図】図2