<;P>;PROBLEM TO BE SOLVED: To provide a riding-type rice transplanter lengthening a refilling cycle of a liquid fertilizer as much as possible by setting the liquid fertilizer in fertilizing tanks of right and left sides to be equally consumed while keeping a good maintenance of the fertilizing pump for side rows, and excellently keeping the lateral balance of the machine body. <;P>;SOLUTION: The riding-type rice transplanter is provided with the fertilizing tanks 7L, 7R on both right and left sides of the traveling unit 1, wherein the traveling unit 1 is provided with a fertilizing pump 9A for side rows which feeds the liquid fertilizer in the fertilizing tanks 7L, 7R to a plurality of nozzles 8A for fertilizing side rows. and arranging total fertilizing pumps 9A for all side rows in parallel at a lower part of either one of the left or the right fertilizing tanks, for example 7R, and a pipe is laid from the branch section at the center of a connecting pipe 10 connecting the right and left fertilizing tanks 7L, 7R to the fertilizing pump 9A for side rows. <;P>;COPYRIGHT: (C)2010,JPO&INPIT