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	Provedor de dados 63 (1) Autor Mattiazzo,Maria Emília (1) Pires,Adriana Marlene Moreno (1) Palavra-chave Extractant (1) Heavy metal (1) Phytoavailability (1) Sewage sludge (1) Tipo do documento Info:eu-repo/semantics/article (1) Ano 2003 (1) País Brazil (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última Biosolids conditioning and the availability of Cu and Zn for rice 63 Pires,Adriana Marlene Moreno; Mattiazzo,Maria Emília. Sewage treatment process is a factor to be considered for biosolid use in agriculture. The greatest sewage treatment facility of São Paulo State (Barueri/SP) altered in the year 2000 of its sludge treatment. The addition of ferric chloride and calcium oxide was substituted by the addition of polymers. This change can modify heavy metal phytoavailability. A green house experiment, using 2 soils treated with biosolids (three with and one without polymers with and without polymers) was performed to evaluate Cu and Zn phytoavailability using rice (Oryza sativa L.) as test plant. Three kilograms of two soils (Haphorthox abd Hapludox) were placed in pots and the equivalent to 50 Mg ha-1 (dry basis) of biosolid was added and incorporated. The statistical design... Tipo: Info:eu-repo/semantics/article Palavras-chave: Sewage sludge; Heavy metal; Phytoavailability; Extractant. Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162003000100024 Registros recuperados: 1 Primeira ... 1 ... Última

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