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Action anthropique ; Amazonas ; Brésil ; Géographie physique ; Géostatistique ; Propriété du sol ; Pédologie ; Sol ; Utilisation du sol ; Zone intertropicale
(supprimer)
The spatial variability of amazonian soils under natural forest and pasture
Spatial variability of physical and chemical properties in Amazonian soils is evaluated on sites of natural rain forest and pastures of different age in the Amazon region. The sampling scheme was regionalized using transects of fifty 3 m apart each