To provide a residual seed recovery mechanism and the like of a seed exchange type seeding machine capable of efficiently sowing work.SOLUTION: The remaining seed recovering mechanism of the seed exchange type seeding machine is provided with a sowing portion arranged in each sieve and provided for each stitch and a seeding portion arranged in the sowing portion in a cylindrical shape The collecting gutter received and housed the remaining seeds remaining unseeded among the seeds falling from the sowing section, and one end side of the collection gutter was able to be raised upward with the other end as a pivot axis A collection gutter, and a lid portion that closes the opening at least on the other end side of the collection gutter in an openable and closable manner.(FIG.【課題】播種作業の効率化が可能な種子交換式播種機の残種子回収機構等を提供する。【解決手段】種子交換式播種機の残種子回収機構であって、播種機に配置され各条毎に設けられた播種部と、播種機の前記播種部よりも下部に配置された円筒状の回収樋であって、播種部から落下する種子のうち播種されずに残った残種子を受け入れて収容し、回収樋の一端側は、他端側を回動軸として上方に持ち上げ可能とされた回収樋と、回収樋の少なくとも他端側の開口を開閉可能に塞ぐ蓋部と、を有する。【選択図】図２
