| 摘要 |
PROBLEM TO BE SOLVED: To simplify operations at the side of a ridge and improve the operating efficiency. SOLUTION: This land grading carrier is obtained by composing openings of a central opening 12 in the center and a lateral opening 13 provided on either one of left and right sides of the central opening 12 and is composed so as to select and use either one of the central opening 12 and the lateral opening 13 in the land grading carrier provided at the rear of a tractor, having a front wall 9, a bottom wall 10 and a left and a right sidewalls 11, equipped with the openings 12 and 13 opened and closed by opening and closing lids 30 in the bottom wall 10 and further provided with spade units 14a and 14b for downwardly protruding, scraping soil in a field and making the soil flow in the land grading carrier in the openings 12 and 13.
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