PROBLEM TO BE SOLVED: To obtain an agricultural implement simply and rapidly carrying out state changeover of three or more reserve seedling-loading trays and improving workability of state changeover operation of three or more reserve seedling-loading trays.SOLUTION: The agricultural implement has a link mechanism 60 by constructing a parallel link system with a first, a second, and a third connection links 61, 62, and 63, and reserve seedling-loading trays 20 are set by the mechanism 60 as capable of changeover states in which the reserve seedling-loading trays 20 are overlapped into a vertically multi-staged state and are duplicated in plane view, and a developed state in which the reserve seedling-loading trays 20 are developed almost in a straight line in back and forth direction.COPYRIGHT: (C)2011,JPO&INPIT【課題】3段以上の予備苗載せ台の状態切換を簡易迅速に行うことができ、3段以上の予備苗載せ台の状態切換作業の作業性を向上させることができる農作業機を実現する。【解決手段】第1,2,3連係リンク61,62,63により平行リンク式のリンク機構60を構成し、リンク機構60により、予備苗載せ台20が上下多段となって平面視で重複した重複状態と、予備苗載せ台20が前後向きに略一直線状になって展開した展開状態とに、予備苗載せ台20を切換可能に構成する。【選択図】図5