| 摘要 |
A manually operable tool for cultivating the surface of the earth, the tool including an elongate handle, a blade including a sharp toothed forward cutting edge mounted on the handle so that the blade may be pushed through the earths surface for the eradication of unwanted vegetation, the blade normally has a centrally located most forwardly formed cutting tooth and a side tooth disposed on each side of the most forwardly formed tooth, each of the side teeth include a "V" notch on an edge facing the centrally located cutting tooth for selective severing, the blade further provides for the mounting of an adjustable furrow tooth.
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