2013
DOI: 10.1590/s0100-06832013000400002
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Influência da posição na encosta na manifestação do caráter coeso em solos da formação Macacu, no estado do Rio de Janeiro

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Cited by 4 publications
(8 citation statements)
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“…2). The soils in the higher landscape positions (edges of the basin) originated from granite/gneiss (St. Fidelis Formation) erosion, and the sediments were deposited in humid conditions in the lower parts of the basin, resulting in the Macacu Formation (Ramos et al, 2013). The same removal behavior of pedogenic Fe oxides during a wet sedimentation process was observed by Melo et al (2001a) in fragipan soils formed from Tertiary sediments of Barreiras Formation on the coast of Brazil.…”
Section: Mineralogical Propertiesmentioning
confidence: 69%
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“…2). The soils in the higher landscape positions (edges of the basin) originated from granite/gneiss (St. Fidelis Formation) erosion, and the sediments were deposited in humid conditions in the lower parts of the basin, resulting in the Macacu Formation (Ramos et al, 2013). The same removal behavior of pedogenic Fe oxides during a wet sedimentation process was observed by Melo et al (2001a) in fragipan soils formed from Tertiary sediments of Barreiras Formation on the coast of Brazil.…”
Section: Mineralogical Propertiesmentioning
confidence: 69%
“…The hydraulic conductivity can decrease from 37.7 cm h −1 in horizon A (non-cohesive) to 0.8 cm h −1 in the cohesive BAx horizon (Ramos et al, 2013). Ramos et al (2013) used the same soil samples of the current study and attributed the greatest manifestation of fragipan character on profile1 (shoulder) compared to profile 2 (foot slope) on toposequence 1 to higher contents of available water throughout the year at the foot slope position.…”
Section: Morphology and Physical Propertiesmentioning
confidence: 98%
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“…Os valores de resistência do solo à penetração de raízes (RP) aumentaram com a redução do potencial mátrico (Ψ) e, consequentemente, com a diminuição da umidade do solo (Tabela 2), comportamento esperado para este atributo do solo, pois a umidade influencia, de maneira inversamente proporcional, a resistência mecânica do solo (Ramos et al, 2013).…”
Section: Resistência Do Solo à Penetração De Raízes: Efeito Do Potencunclassified