PROBLEM TO BE SOLVED: To facilitate responses to difference in ridge width caused by various crop conditions, area, etc.SOLUTION: In the ridging fertilizer applicator that is equipped with a tilling and ridging apparatus A, a tilling shaft 15b of a tilling rotary 6 equipped with a pair of mutually facing disks 25R and 25L between ridges formed by a ridge forming tool 7 and that stirs fed granules together with soil by tilling tines 23R and 23L arranged between the facing disks 25R and 25L, a pair of boss bodies 21 and 24 each separately equipped with the pair of the disks 25R and 25L are furnished with the tilling tines 23R and 23L bent so as to throw tilled soil in the opposite direction to a disk existence side at a fixed interval M from the disks 25R and 25L, the pair of the boss bodies 21 and 24 are slidable from the tilling shaft 15b and are fixed at prescribed positions and an interval W between the pair of the disks 25R and 25L is adjustable.COPYRIGHT: (C)2011,JPO&INPIT【課題】各種作物条件や地域による畝幅の相違等への対応の容易化を図る。【解決手段】耕耘畝立装置Aと、耕耘ロータリ6の耕耘軸15bには畝成形器7で成形する畝の畝幅間に互いに対向する一対のディスク25L,25Rと、繰り出される粉粒状物をこれら対向するディスク25L,25R間に配設した耕耘爪23L,23Rによって土壌とともに攪拌する畝立施肥装置において、前記一対のディスク25L,25Rを各別に設ける一対のボス体21,24の夫々に、ディスク存在側とは反対方向に耕耘土壌を投擲すべく彎曲させた耕耘爪23L,23Rを該ディスク25L,25Rと所定の間隔Mをおいて設け、これら一対のボス体21,24を耕耘爪軸15bに対してスライド自在でかつ所定位置に固定可能に設け、一対のディスク25L,25Rの間隔Wを調節可能に設けた。【選択図】 図5