PROBLEM TO BE SOLVED: To provide an agricultural work machine capable of performing a seedling transplanting work and a harvesting work in a riding state and sufficiently performing the soil covering after the transplantation of seedlings.SOLUTION: The riding part formed between front wheels 9 and rear wheels 6 of the agricultural work machine has a working space S connected to the upper face of a ridge, and a covering wheel 18 for covering the ridge U with soil after the seedling transplantation is placed under the working space S. The agricultural work machine automatically covers the field with soil after transplantation with the covering wheel to dispense with the soil-covering labor of the worker and attain good planting workability of seedlings.COPYRIGHT: (C)2009,JPO&INPIT【課題】乗車状態で苗移植作業と収穫作業ができるだけでなく、苗の植え付け後の覆土を十分行える農作業機を提供すること。【解決手段】前輪9と後輪6の間に設けた乗用部に畝の上面に通ずる作業空間部(S)を形成し、該作業空間部Sの下方に苗植付後の畝Uの覆土を行う覆土輪18を配置した農作業機であり、苗植付後の圃場の覆土を自動的に覆土輪がするので、作業者が覆土をする手間が省け、苗の植付作業性の良い農作業機が得られる。【選択図】図1