2010
DOI: 10.1016/j.jhazmat.2010.05.138
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Barium uptake by maize plants as affected by sewage sludge in a long-term field study

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Cited by 53 publications
(30 citation statements)
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“…Ba concentrations in flowers with the addition of sugar cane filter cake and peat were as follows: 20.2 and 16.0 mg kg −1 , respectively, for oilseed radish; 15.3 and 21.0 mg kg −1 , respectively, for sunflowers. A high Ba mobility has also been observed in cotton and white beets during development and flowering, whereas a large amount of Ba accumulation has been reported in the leaves of corn (105.7 mg kg −1 ) when compared with the grains of corn (1.05 mg kg −1 ) [6,33]. The obtained transfer factors (lower than 1) suggested that the tested species were inadequate in accumulating or extracting Ba from soil (Table 6).…”
Section: Resultsmentioning
confidence: 92%
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“…Ba concentrations in flowers with the addition of sugar cane filter cake and peat were as follows: 20.2 and 16.0 mg kg −1 , respectively, for oilseed radish; 15.3 and 21.0 mg kg −1 , respectively, for sunflowers. A high Ba mobility has also been observed in cotton and white beets during development and flowering, whereas a large amount of Ba accumulation has been reported in the leaves of corn (105.7 mg kg −1 ) when compared with the grains of corn (1.05 mg kg −1 ) [6,33]. The obtained transfer factors (lower than 1) suggested that the tested species were inadequate in accumulating or extracting Ba from soil (Table 6).…”
Section: Resultsmentioning
confidence: 92%
“…However, Ba concentrations in this study were less than those reported by Suwa et al, 2008 [8] who observed that high Ba concentrations affected soybeans and resulted in reduced development, stomatal closing, and reduced photosynthetic activity. In contrast, Ba accumulation in maize plants grown in soil with much lower Ba concentrations (soil pH in the range of 5.1 to 5.7) has also been reported and no phytotoxic symptoms or nutritional imbalance correlations were observed [6].…”
Section: Resultsmentioning
confidence: 99%
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“…Only a few studies report Ba contents within the range considered normal for plant tissues, but values from 90 to 106 mg kg -1 were observed in maize plants cultivated in soil treated with sewage sludge (Nogueira et al, 2010) and a value of 4970 mg kg -1 was observed in soybean in hydroponic cultivation (Suwa et al, 2008). …”
Section: B Dmentioning
confidence: 99%
“…8 Apesar da baixa solubilidade do sulfato de bário em solos, 9 alguns estudos indicam que a baritina (BaSO 4 ) poderá funcionar como fonte de sulfato na respiração de bactérias anaeróbicas, 8,10 podendo promover o aumento da solubilidade e liberação de Ba +2 no ambiente, potencializando a transferência desse elemento para a cadeia alimentar e a contaminação das águas subsuperficiais. 11,12 Em estudo realizado por Nogueira et al, 13 sobre o efeito de aplicações sucessivas de lodo de esgoto nos teores de bário no solo e plantas, verificaram que houve aumento na absorção do elemento pelas plantas, porém não em níveis que possam ser considerados tóxicos.…”
Section: Introductionunclassified