PROBLEM TO BE SOLVED: To provide a walk-operated crop drawing machine in which a drawing-out unit can be adjusted in height and then crops are drawn out till the middle and are reliably left in a field while standing upright.SOLUTION: A crop drawing machine is configured by including a drawing conveyor (2) where the crop foliage is held and drawn out, and a position alignment conveying device (3) for conveying the conveyance crops of the drawing conveyor (2) at a predetermined drawing height. The crop drawing machine is provided with holding force adjusting means (4) for adjusting the holding force of the drawing conveyor (2). In the holding force adjusting means (4), both of the drawing conveyor (2) and the position alignment conveying device (3) are configured such that the holding force in the range of the conveyance downstream side from the position for holding the foliage can be lowered, and thereby the holding force is lowered and the harvested crops can be left in the field without damaging the foliage.SELECTED DRAWING: Figure 3【課題】引抜部を高さ調節可能とした上で、作物を半ばまで引抜いて圃場に確実に起立残置する歩行操作型の作物引抜機を提供する。【解決手段】作物引抜機は、作物の茎葉部を挟持して引抜く引抜搬送装置(２)と、この引抜搬送装置(２)の搬送作物を所定の引抜高さで搬送する位置揃え搬送装置(３)とを備えて構成され、前記引抜搬送装置(２)の挟持力を調節する挟持力調節装置(４)を設け、この挟持力調節装置(４)は、前記引抜搬送装置(２)と前記位置揃え搬送装置(３)が共に茎葉部を挟持する位置より搬送下手側の範囲の挟持力を緩和調節可能に構成することにより、挟持力を緩めて茎葉部を傷めることなく収穫作物の圃場残留を可能とするものである。【選択図】図３
