2008
DOI: 10.1590/s0100-06832008000300039
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Disponibilidade, acúmulo e toxidez de cádmio e zinco em milho cultivado em solo contaminado

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Cited by 34 publications
(20 citation statements)
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“…Os efeitos visíveis da exposição a altas doses de Zn são, em geral, descritos como redução severa do crescimento, da clorose e da atrofia foliar (Cunha et al, 2008). De acordo com a Agência de Proteção Ambiental do EUA (King, 1996) (Clemens et al, 2002;Broadley, 2007).…”
Section: Resultsunclassified
See 1 more Smart Citation
“…Os efeitos visíveis da exposição a altas doses de Zn são, em geral, descritos como redução severa do crescimento, da clorose e da atrofia foliar (Cunha et al, 2008). De acordo com a Agência de Proteção Ambiental do EUA (King, 1996) (Clemens et al, 2002;Broadley, 2007).…”
Section: Resultsunclassified
“…Entretanto, quando sua concentração na planta excede níveis ótimos, observase diminuição do crescimento, inibição do desenvolvimento radicular e clorose em folhas (Cunha et al, 2008;Lin & Aarts, 2012). O aumento das atividades industriais e de mineração, aliado ao uso inadequado de fertilizantes e pesticidas, tem contribuído para elevação dos teores de Zn no solo (Soares et al, 2001;Cunha et al, 2008).…”
Section: Introductionunclassified
“…In Brazil, deficiency of Zn in the soil is the most common among the micronutrients, occurring principally in the sandy soils and latosols of the cerrado region (Fraige et al, 2007). Liming practices, which aim to correct the natural acidity of these soils, are frequent and further reduce the availability of Zn to plants, possibly by increasing the affinity of this element to the specific adsorption sites in the soil (Cunha et al, 2008).…”
Section: Introductionmentioning
confidence: 99%
“…Two-thirds of the daily cadmium intake comes from products of plant origin and a third from products of animal origin, mainly fish, mollusks and crustaceans 3 . One of the main factors that affect the availability of heavy metals to plants is the soils pH, which has, in general, been inversely related to the availability of these elements 9 . However, to date no studies have evaluated how differing concentrations of pH could influence the uptake and toxicity of cadmium in animals.…”
Section: Introductionmentioning
confidence: 99%