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Water-dispersible clay in soils treated with sewage sludge Rev. Bras. Ciênc. Solo
Tavares Filho,João; Barbosa,Graziela Moraes de Césare; Ribon,Adriana Aparecida.
A by-product of Wastewater Treatment Stations is sewage sludge. By treatment and processing, the sludge is made suitable for rational and environmentally safe use in agriculture. The aim of this study was to assess the influence of different doses of limed sewage sludge (50 %) on clay dispersion in soil samples with different textures (clayey and medium). The study was conducted with soil samples collected from native forest, on a Red Latosol (Brazilian classification: Latossolo Vermelho distroférrico) loamy soil in Londrina (PR) and a Red-Yellow Latosol (BC: Latossolo Vermelho-Amarelo distrófico) medium texture soil in Jaguapitã (PR). Pots were filled with 3 kg of air-dried fine earth and kept in greenhouse. The experiment was arranged in a randomized...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Biosolids; Flocculation; PZC; ΔpH; Organic matter.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832010000500005
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