PROBLEM TO BE SOLVED: To increase planting travel speed by reducing rolling of a seedling planting device when a farm field has small irregularities, in a multi-row planting seedling transplanter having the seedling planting device mounted rollably on the rear on the traveling machine body side.;SOLUTION: There is provided a multi-row planting seedling transplanter provided with a seedling planting device 25 rollably through a rolling shaft 26 on a jamb 27 provided on the rear of a traveling machine body 1. In the multi-row planting seedling transplanter, right and left support members 29a of the seedling planting device 25 are connected to a center support part 60 of the jamb 27 by right and left tensile springs 63, 63, and tensile force of the right and left tensile springs 63, 63 can be changed by rolling adjustment means 65.;SELECTED DRAWING: Figure 3;COPYRIGHT: (C)2018,JPO&INPIT
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