作者: Keith d. Skibinski , David B. Frank
DOI:
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摘要: A tractor rake attachment is disclosed that includes a platform, the platform having plurality of tines secured to with length extend perpendicular platform. The are approximately evenly spaced along and have depth permits elastic deformation tine when contacted by ta heavy rock. on may be forwardly adjusted create angle in relation movement rake. capable being attached so horizontal extended extending downward direction from ground. method for light medium field grading also disclosed.