PROBLEM TO BE SOLVED: To provide a seedling transplanter which facilitates a supplement work and a discharge work in a work vehicle comprising a fertilization device for spraying a fertilizer in a farm field.SOLUTION: A seedling transplanter comprises on a travel vehicle body which travels on a farm field, a fertilization device 70 comprising: a storage tank 71 for storing a fertilizer a feeding device 72 for feeding the stored fertilizer in the storage tank 71 a feeding stop shutter 77 for stopping transfer of the fertilizer from the storage tank 71 to the feeding device 72 and a fertilization hose 74 for transferring the fertilizer from the feeding device. The storage tank (71) can be rotated outward of the travel vehicle body (2) by a storage tank arm (100).SELECTED DRAWING: Figure 4COPYRIGHT: (C)2017,JPO&INPIT【課題】圃場内に肥料を散布する施肥装置を備える作業車両において、補充作業や排出作業が行い易い苗移植機を提供すること。【解決手段】圃場を走行する走行車体に、肥料を貯留する貯留タンク71と、該貯留タンク71にと、貯留した肥料を繰り出す繰り出し装置72と、貯留タンク71から繰り出し装置72への肥料の移送を止める繰出停止シャッター77と、繰り出し装置からの肥料を移送する施肥ホース74とを備える施肥装置70を設けた苗移植機において、貯留タンク(71)を走行車体(2)の外側に回動させる貯留タンクアーム(100)することができる。【選択図】図4