Publicação: Soil texture spatial variability of different parent material in pereira barreto, São Paulo state
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Univ Federal Ceara
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Resumo
The variation of soil textural characteristics is a function of the relief and parent materials. The objective of this work was to study soil texture spatial variability from different parent material in Pereira Barreto, SP. An area of 530.67 hectares was mapped through the use of Global Positioning System receivers and obtaining of Digital Elevation Models. A set of 201 soil samples was collected from every seven hectares, at three depths: 0 - 0.25 m; 0.25 - 0.50 m; and 0.80 - 1.00 m. The amounts of sand, silt and clay were obtained by the pipette method and analyzed by both descriptive statistics and geostatistics. Soil textures varied as a function of parent materials and topography.
Descrição
Palavras-chave
physical attributes, soil texture, Geostatistics, dependence spatial
Idioma
Espanhol
Como citar
Revista Ciência Agronomica. Fortaleza: Univ Federal Ceara, v. 38, n. 2, p. 149-157, 2007.
