2010
DOI: 10.5154/r.rchscfa.2010.04.021
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Sales Solubles Y Metales Pesados en Suelos Tratados Con Biosólidos

Abstract: RESUMENLas plantas de tratamientos de aguas residuales (PTAR) generan diariamente toneladas de lodos (biosólidos), los cuales pueden tener un uso agrícola como fuente de nutrientes y material mejorador del suelo, aunque también pueden ser fuente de contaminación por metales pesados y sales solubles. En este estudio se evaluó, en un suelo representativo de la zona de influencia de la PTAR de la ciudad de Aguascalientes, México, la aplicación de biosólidos y el efecto de su contenido de metales pesados y sales s… Show more

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“…Biosolids (BS) have been used to improve degraded mine soils by providing essential elements for plants, supplying organic matter for soil microbes, and improving soil structure and moisture‐holding capacity (EPA, 2000; Wijesekara et al., 2016). Potential drawbacks of BS include the presence of heavy metals and salts (Robledo et al., 2010), high electrical conductivity (EC) (Jordán et al., 2016), and pathogens and contaminants (Wijesekara et al., 2016). As an alternative to BS, mineral fertilizers (F) can also be used to improve soil fertility for waste rock revegetation, but in at least one study they did not perform as well as organic F, especially to provide plant‐available P (Meikle et al., 1999).…”
Section: Introductionmentioning
confidence: 99%
“…Biosolids (BS) have been used to improve degraded mine soils by providing essential elements for plants, supplying organic matter for soil microbes, and improving soil structure and moisture‐holding capacity (EPA, 2000; Wijesekara et al., 2016). Potential drawbacks of BS include the presence of heavy metals and salts (Robledo et al., 2010), high electrical conductivity (EC) (Jordán et al., 2016), and pathogens and contaminants (Wijesekara et al., 2016). As an alternative to BS, mineral fertilizers (F) can also be used to improve soil fertility for waste rock revegetation, but in at least one study they did not perform as well as organic F, especially to provide plant‐available P (Meikle et al., 1999).…”
Section: Introductionmentioning
confidence: 99%