The present invention provides a seed recovery mechanism for a seed exchange type seeder capable of improving the efficiency of seeding work. A mechanism for collecting the remaining seeds includes a receiving funnel 33 formed in four places on a collecting basket 31 on a cylinder, and a window portion 35 for viewing the inside of the collecting basket 31. Furthermore, lids 37 and 38 are provided at both ends of the cylinder of the collection basket 31 respectively. In the remaining seed aggregation part 25, the fastener 26 on the side of the residual seed aggregation part 25 and the collection basket 31 are supported by the support 61. A stopper combined guide portion 4 (support portion) that supports the recovery rod 31 is formed near one end E of the recovery rod 31. In the stopper combined guide portion 4, the stopper portion 4 a normally supports the collection basket 31 in the horizontal direction, and the guide portion 4 b is gently bent upward. And the collection basket 31 by the side of the stopper combined guide part 4 is comprised so that it may lift. A hinge 71 and a hinge retaining portion 73 that support the recovery rod 31 are arranged in the vicinity D on the other end side of the recovery rod 31 to form a rotation axis of the recovery rod 31. [Selection] Figure 4
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