[Objectives]How the fractal theory as an efficient tool to describe rough and irregular geometrical feature in nonlinear system and nature is applied into agricultural soil research is hot issue at present. [Methods]The roughness data of agricultural soil surface after sowed( perpendicular to the sowed direction),sowed surface( along with the sowed direction),ploughed surface( perpendicular to the ploughed direction),and rolled surface( along with the rolled direction) were obtained by laser roughness measu...
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