To provide a compact fertilizing apparatus in a transplanter.

This fertilizing apparatus 12 for carrying out application of fertilizer to a field from the side of a planting implement 8 linked through an ascending/descending link mechanism 7 at the rear of the driver's seat 6 mounted on a traveling machine body 1, is provided with a delivering device 16, installed at the rear of the driver's seat 6, for delivering a fertilizer from the side of a fertilizer tank 14 housing the fertilizer to the side of a fertilizing nozzle 13, and a selecting device 17 mounted on the ascending/descending link mechanism 7, capable of setting the fertilizing nozzle 13 for feeding the fertilizer, where the delivering device 16 and the selecting device 17 are arranged mutually deviating to the left and the right.