The present invention enables favorable supply of a granular material to a field by a first granular material supply device without incurring a sudden jump in cost or an increase in vehicle body weight. A passenger-bearing rice transplanter, wherein the passenger-bearing rice transplanter is provided with a seedling transplanter device 3 linked to a rear section of a traveling vehicle body 1, and a first granular material supply device 6 linked to a rear section of the seedling transplanter device 3, the seedling transplanter device 3 comprising a seedling platform 15 on which mat seedlings are placed, and a transplanter mechanism 19 for scraping up a predetermined amount of seedlings from the mat seedlings and transplanting same in a field, the first granular material supply device 6 comprising a first hopper in which a first granular material is stored, a first feeding-out mechanism for feeding out a predetermined amount of the first granular material from the first hopper, a first supply tube 36 that suppl