| 摘要 |
PURPOSE:To eliminate disadvantages, such as treading on previously planted seed potatotes with wheels, etc. and enable mulching work on levees after transplanting without trouble, by arranging triple central, left and right mulching units in a specific state at the back of a travel machine body. CONSTITUTION:The mulch unit (21a) is installed between loci of the left and right back wheels 5 and 5 and the central positions of the left and right mulch units (21b) and (21c) are located outside the loci of the left and right back wheels 5 and 5. Thereby the triple mulch units can be arranged in good left and right balance at the back of the traveling car body and levees formed by a border building forming plate 16 are in a state outside the loci of the left and right wheels.
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