2004
DOI: 10.1590/s0100-06832004000600004
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Correlação entre características de latossolos e parâmetros de equações de adsorção de cobre e zinco

Abstract: RESUMOA adsorção de Cu e Zn é um dos principais fenômenos responsáveis pela disponibilidade desses elementos para as plantas. Portanto, estudos sobre a adsorção desses elementos em solos podem ser ferramentas úteis para compreensão da relação entre características dos solos e retenção desses micronutrientes. Nesse sentido, o presente trabalho objetivou caracterizar a adsorção de Cu e Zn em amostras de seis Latossolos de Minas Gerais e as influências de características dos solos sobre os parâmetros de adsorção … Show more

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Cited by 39 publications
(38 citation statements)
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References 16 publications
(19 reference statements)
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“…The FI treatment exhibited a greater Cu content in relation to the RDI treatment in the 40-60 and 60-80 cm layers, not differing from the DI treatment. There was a tendency toward an increase in Cu contents at greater depths, in spite of this element showing low mobility due to its strong adsorption to organic and inorganic soil colloids (Pietrzak and McPhail, 2004;Nascimento and Fontes, 2004;Komárek et al, 2008). The increase in the Cu contents in the soil in the deeper layers indicates that the contents in the surface layers are above the soil adsorption capacity and, thus, its percolation in the soil profile may have been facilitated, especially through the treatment with greater water availability.…”
Section: Soilmentioning
confidence: 98%
“…The FI treatment exhibited a greater Cu content in relation to the RDI treatment in the 40-60 and 60-80 cm layers, not differing from the DI treatment. There was a tendency toward an increase in Cu contents at greater depths, in spite of this element showing low mobility due to its strong adsorption to organic and inorganic soil colloids (Pietrzak and McPhail, 2004;Nascimento and Fontes, 2004;Komárek et al, 2008). The increase in the Cu contents in the soil in the deeper layers indicates that the contents in the surface layers are above the soil adsorption capacity and, thus, its percolation in the soil profile may have been facilitated, especially through the treatment with greater water availability.…”
Section: Soilmentioning
confidence: 98%
“…These decreases were due to the strong interactions of Cu with soil OM due to the greater selectivity of the colloid surfaces for the metal (Nascimento & Fontes, 2004). Other authors also found this decrease with increasing depth, which was attributed to the R. Bras.…”
Section: Resultsmentioning
confidence: 86%
“…Altos coeficientes de determinação foram relatados por Nascimento & Fontes (2004), Mouta et al (2008), Oliveira et al (2010) e Zhao et al (2014), indicando que esses modelos são adequados às diversas condições de solos e aos diferentes elementos químicos.…”
Section: Resultsunclassified