To provide a transplanter by which fertilizer feeding operation to a fertilizer table can be easily done by changing the posture of seedling conveying table from a standard position to an outside position.

The transplanter 1 in which the seedling conveying table 7 conveying and feeding spare seedlings rearward is arranged above the fertilizer tank 12 arranged in the front part lateral side of the traveling machine 2 having a transplanting device is constituted so as to freely change the posture of the seedling conveying table 7 between the standard position where it is located in a fore and aft direction above the fertilizer tank 12 of the supporting frame 19 and the outside position where it is evacuated from the upper part of the fertilizer tank 12, the stopper 42 is arranged such that the stopper 42 is located in the inside part of the machine from the tank cover 14 in the standard position of the seedling conveying table 7 and the stopper is located in the opening operation locus of the tank cover 14 in the outside position accompanying with the posture changing of the seedling conveying table 7 when arranging the stopper 42 contacting and holding the tank cover 14 vertically turning around the turning supporting point 14a arranged in the back part of the fertilizer feeding port in an erected posture in the seedling conveying table 7.