FIELD: agriculture.
SUBSTANCE: disk working element is arranged in the form of spherical disk installed on axis with cutting edge along periphery. Interrupted peripheral cutting edge is formed by cuts. On front face of each cut there is a cutting edge with bore on internal surface of disk with transition of bore to external surface of disk. Transition of cutting edge bores on frontal face is arranged at the border of thinned part of external disk surface.
EFFECT: such structural design makes it possible to provide for complete cutting of vegetative mass and roots of weed plants and to prevent their hanging over back side of cut.
16 dwg
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