| 摘要 |
PROBLEM TO BE SOLVED: To provide a seedling transplanter, capable of supplying a fertilizer to an agricultural field in a normal manner.SOLUTION: A seedling transplanter includes: a seedling planting device 4 disposed on the rear side of a link mechanism 3, the planting device planting seedlings in an agricultural field; a lifting and lowering detection sensor 102 which detects a lifting or lowering position of the link mechanism 3; a height adjustment mechanism 25 which changes the height of the seedling planting device through the link mechanism; a delivery passage 62 for delivering a fertilizer from a fertilizer storage unit 60 onto the agricultural field surface; a groove forming member 64 provided on the front side of the outlet of the delivery passage 62, the member forming a groove in the agricultural field; a rotation detection sensor 104 which detects a traveling state of a traveling vehicle body; and a control unit 100 which lifts up the link mechanism by use of the height adjustment mechanism to separate the seedling planting device from the agricultural field surface, when the lifting and lowering detection sensor detects that the seedling planting device is located at an operation height for performing seedling planting operation, and the rotation detection sensor detects, continuously for a predetermined time or more, that the traveling body is in a stopped. |
