| 摘要 |
PROBLEM TO BE SOLVED: To provide a transplanter accurately determining direction of the next turning and preventing mistake of timing for start of turning disregarding a difference in rotation of right and left wheels not corresponding to the determined turning direction. SOLUTION: The transplanter is provided with makers 9L and 9R selectively swung out to right and left side from a transplanting section 3 and draw a traveling standard line for the next transplanting stage, and a controller 24 determining turning of the traveling body 1 based on the rotation of a left side rear wheel and a right side rear wheel of the traveling body 1, wherein the controller 24 determines the next turning direction based on the swung direction of the maker 9L and 9R, and determines the start of turning based on a difference in rotation of the right and left rear wheels 8 corresponding to the determined direction of turning. COPYRIGHT: (C)2007,JPO&INPIT
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