2005
DOI: 10.1590/s0103-90162005000400012
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Heavy metals in Oxisols amended with biosolids and cropped with maize in a long-term experiment

Abstract: Biosolids comprise organic matter and plant nutrients, but are also a source of heavy metals hazardous to soils, plants and humans. The aim of this work was to evaluate accumulation, movement in the soil profile and availability to maize plants of heavy metals in two oxisols amended with biosolids for five years. The experiment was carried out in Jaboticabal, SP, Brazil, under field conditions, using a split-plot design. Biosolids were added to the soils at four different rates, 0.0 (control with mineral ferti… Show more

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Cited by 21 publications
(21 citation statements)
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(20 reference statements)
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“…In soil columns, since they are open systems, the unbalanced conditions are more closely related to natural conditions, where the desorbed species are removed and the reverse reactions are much less probable to occur. Based on the results of the Pb leaching experiment, which is more closely related to the field conditions, special attention must be given to the agricultural areas that receive large quantities of vinasse and are also exposed to contamination with Pb; for example: through the use of phosphate fertilizers (Campos et al, 2005) with sewage sludge or biosolids of urban and industrial origins (Silveira et al, 2003;Borges and Coutinho, 2004;Oliveira et al, 2005;Silva et al, 2006;Torri and Lavado, 2008;Galdos et al, 2009). This can happen where sewage sludge is used as a source of N and vinasse is used as a source of K as may occurs in sugarcane crops (Franco et al, 2008).…”
Section: Comparison Of the Results Between Batch And Leaching Experimmentioning
confidence: 99%
See 1 more Smart Citation
“…In soil columns, since they are open systems, the unbalanced conditions are more closely related to natural conditions, where the desorbed species are removed and the reverse reactions are much less probable to occur. Based on the results of the Pb leaching experiment, which is more closely related to the field conditions, special attention must be given to the agricultural areas that receive large quantities of vinasse and are also exposed to contamination with Pb; for example: through the use of phosphate fertilizers (Campos et al, 2005) with sewage sludge or biosolids of urban and industrial origins (Silveira et al, 2003;Borges and Coutinho, 2004;Oliveira et al, 2005;Silva et al, 2006;Torri and Lavado, 2008;Galdos et al, 2009). This can happen where sewage sludge is used as a source of N and vinasse is used as a source of K as may occurs in sugarcane crops (Franco et al, 2008).…”
Section: Comparison Of the Results Between Batch And Leaching Experimmentioning
confidence: 99%
“…Some of the effects of the vinasse on physical, chemical and biological attributes of soil were studied by Camargo et al (1983), Leal et al (1983), Neves et al (1983), Mattiazzo and Glória (1987), Sengik et al (1988), Franco et al (2008) and Doelsch et al (2009) Pb can be present in soil due to weathering processes, mining and smelting activities (Kabata-Pendias and Pendias, 2000;Sharma and Dubey, 2005), and also by the agricultural use of phosphate fertilizers, sewage sludge or biosolids (Silveira et al, 2003;Borges and Coutinho, 2004;Oliveira et al, 2005;Campos et al, 2005;Silva et al, 2006;Camilotti et al, 2007;Torri and Lavado, 2008;Galdos et al, 2009).…”
Section: Introductionmentioning
confidence: 99%
“…Esses resultados são concordantes, corroborando com outros trabalhos realizados nas mesmas áreas para alguns ETs (OLIVEIRA et al, 2005;NOGUEIRA et al, 2008;MERLINO et al, 2010). Na análise conjunta dos experimentos constatouse que só houve diferença significativa em relação aos tratamentos para os elementos Pb e Zn; na análise em relação aos experimentos, demonstra elevada significância ao nível de 1% para a maioria dos ETs (Tabelas 6 e 7).…”
Section: Materials Certificado Teor Certificado Teor Determinado (N=3)unclassified
“…Os teores de Zn nas folhas de milho aumentaram de modo significativo, como resposta à aplicação do lodo de esgoto (Figura 3E), o que corrobora com os resultados obtidos por Bidwell & Dowdy (1987), Martins et al (2003), Oliveira et al (2005), Rangel et al (2006) e Nogueira et al (2008.…”
Section: Concentrações De Nutrientes Na Parte Aéreaunclassified