Device for the destruction of plants

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Device (1) to the destruction of plants or such a thing in the earth, whereby the device (1) an oblong shank (2), a ground edition element (3) and relative to the ground edition element (3) mobile knife (4) covered, whereby to cutting the plant the knife (4) relative to the ground edition element (3) in the earth, in particular with the penetration of the measurer (4) into the earth, is mobile.