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Inputs of rare earth elements in Brazilian agricultural soils via P-containing fertilizers and soil correctives.
Silva, F B V; Nascimento, C W A; Alvarez, A M; Araújo, P R M.
Afiliação
  • Silva FBV; Department of Agronomy, Federal Rural University of Pernambuco, Dom Manuel de Medeiros street, s/n - Dois Irmãos, 52171-900, Recife, PE, Brazil. Electronic address: ferbruno01@yahoo.com.br.
  • Nascimento CWA; Department of Agronomy, Federal Rural University of Pernambuco, Dom Manuel de Medeiros street, s/n - Dois Irmãos, 52171-900, Recife, PE, Brazil. Electronic address: cwanascimento@hotmail.com.
  • Alvarez AM; Department of Agronomy, Federal Rural University of Pernambuco, Dom Manuel de Medeiros street, s/n - Dois Irmãos, 52171-900, Recife, PE, Brazil. Electronic address: amlopez3000@hotmail.com.
  • Araújo PRM; Department of Agronomy, Federal Rural University of Pernambuco, Dom Manuel de Medeiros street, s/n - Dois Irmãos, 52171-900, Recife, PE, Brazil. Electronic address: paula_agronomia11@hotmail.com.
J Environ Manage ; 232: 90-96, 2019 Feb 15.
Article em En | MEDLINE | ID: mdl-30468961
The mineral exploration of rare earth elements (REEs) and their entry into the soil via fertilizers has generated concern about environmental impacts and human health risks. We evaluated 60 samples of limestone, gypsum and phosphate fertilizers marketed in Brazil in order to characterize their contents, signature and solubility of REEs. The fertilizers from igneous origin presented the largest accumulation of REEs. Accumulation of the light REEs Ce, La, Nd, Pr, Sm and Eu were larger than the heavy REEs (Y, Dy, Gd, Er, Yb, Ho, Tb and Lu). The solubility of fertilizers produced from sedimentary sources was greater than that of igneous sources. The mean annual REEs contribution of SSP and organo-mineral + phosphate rock (both of igneous origin) to soils was > 4000 t year-1, with highest additions for Ce, La, Nd and Y. Thus, phosphate fertilization and liming were considered to be significant sources of REEs and soils receiving continuously high doses of these inputs are likely to be enriched in REEs. Risk assessment studies are necessary to evaluate the impact of these REEs additions to soils on human health.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Solo / Metais Terras Raras Limite: Humans País/Região como assunto: America do sul / Brasil Idioma: En Revista: J Environ Manage Ano de publicação: 2019 Tipo de documento: Article País de publicação: Reino Unido
Texto completo
Adicionar na Minha BVS
Imprimir
XML
PubMed Links
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Solo / Metais Terras Raras Limite: Humans País/Região como assunto: America do sul / Brasil Idioma: En Revista: J Environ Manage Ano de publicação: 2019 Tipo de documento: Article País de publicação: Reino Unido