2015
DOI: 10.1590/01000683rbcs20140018
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Alterações Físicas De Um Cambissolo Cultivado Com Bananeira Irrigada Na Chapada Do Apodi, Ceará

Abstract: resumo os atributos do solo tornam-se indicadores de qualidade na medida em que passam a ser utilizados para monitorar mudanças do solo no decorrer do tempo. Considerando a hipótese de que os solos da Chapada do Apodi sofreram alterações em sua qualidade física pelo uso, e que os sistemas de manejo conduzem a um novo estado de equilíbrio de seus atributos, esta pesquisa objetivou aferir o grau dessas alterações para certificar se o uso está levando ou não o solo a um processo de degradação física. um Cambissol… Show more

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Cited by 5 publications
(7 citation statements)
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“…It is observed that the light organic matter was inversely correlated only with bulk density, which did not occur for C and N contents and N stock, that is, with the maintenance of soil organic matter there are increments in these variables, except for soil bulk density. Similar results regarding the effect of soil organic matter on soil bulk density can be observed in several studies (Amaro Filho et al, 2008;Melo et al, 2008;Mota et al, 2015).…”
Section: Resultssupporting
confidence: 89%
See 1 more Smart Citation
“…It is observed that the light organic matter was inversely correlated only with bulk density, which did not occur for C and N contents and N stock, that is, with the maintenance of soil organic matter there are increments in these variables, except for soil bulk density. Similar results regarding the effect of soil organic matter on soil bulk density can be observed in several studies (Amaro Filho et al, 2008;Melo et al, 2008;Mota et al, 2015).…”
Section: Resultssupporting
confidence: 89%
“…The third principal component (PC3) demonstrated a contrast of total porosity with the clay fraction and silt fraction. The inverse correlation between silt and clay fractions can be understood through pedogenesis, as physical and chemical weathering acts on larger fractions, in the case of silt, originating the smaller fractions, clay (Mota et al, 2015). Total porosity may be affected by other processes, e.g.…”
Section: Resultsmentioning
confidence: 99%
“…Mota et al (2015) also related higher values of bulk density in soils cultivated with banana in the same region. In soils cultivated with orchards, the controlled traffic between crop rows results in increased compaction, which was evidenced by the increase in penetration resistance and preconsolidation pressure (σ p ), and the reduction in soil macroporosity in the inter-row position (van Dijck and van Asch, 2002;Lima et al, 2004;Becerra et al, 2010).…”
Section: Degree Of Compactnessmentioning
confidence: 78%
“…However, other studies (Mota et al, 2013, Mota et al, 2015 reported that cultivated soils in the same region have no negative effect on soil physical quality. Literature shows that effects of management practices on soils under irrigated systems are not well understood for the Apodi Plateau region.…”
Section: Introductionmentioning
confidence: 87%
“…No que diz respeito à qualidade do solo, os atributos físicos merecem destaque especial, uma vez que a sua alteração tem afetado bastante os atributos químicos e biológicos, já que estes são interdependentes (Araújo et al, 2007). Na avaliação da qualidade física do solo os indicadores mais utilizados são aqueles diretamente ligados a sua estrutura (Mota et al, 2015). Nesse sentido, os atributos densidade e porosidade do solo podem ser utilizados como indicadores, uma vez que alterações nesses atributos refletem diretamente na estrutura do solo e são atributos que podem ser modificados pelo uso e manejo.…”
Section: Introductionunclassified