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The aim of this work was to study the spatial variability of the size of a red-yellow oxisols cultivated with coffee arabica under conventional and organic management, at the depth of 0-0,10 m. The soil samples were performed in a regular grid with 40 points, in the projection of the crown of coffee. The data were analyzed using classical statistics and geostatistics. Spatial dependence was evaluated by experimental variogramas. All attributes in the two kinds of managements presented spatial dependence, adjusting spherical and exponential models. The size fractions (total sand, silt and clay) have a higher horizontal variability in organic management.

Variabilidade Espacial da Granulometria de Um Latossolo Vermelho Amarelo Cultivado sob Diferentes Manejos