FIELD: agriculture; machine building.
SUBSTANCE: invention relates to the agricultural machine building. Digging element comprises under-digging element connected with frame by means of bracket in the form of set of elements for undermining each line of landing strip. Working surface of each of the under-digging elements is made with a convexity downward with a radius of curvature at least not less than the maximum diameter of the tuberous tuber.
EFFECT: high quality of separation of heaps of tuberous roots and onions due to preliminary separation of heap from soil impurities.
1 cl, 4 dwg
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