Soil solution chemistry of a Brazilian Oxisol irrigated with treated sewage effluent

Gloaguen, Thomas Vincent; Forti, M. C.; Lucas, Yves; Montes, Célia Regina; Gonçalves, Roberta Lins; Herpin, Uwe; Melfi, Adolpho José

doi:10.1016/j.agwat.2006.10.018

Cited by 75 publications

(67 citation statements)

References 27 publications

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“…This increase is related to the high pH of the wastewater (Stewart et al, 1990), the presence of additional HCO 3 − , and changes in N dynamics due to denitrification and/or reduction of NO 3 − , which, in turn, releases OH − (Stewart et al, 1990;Fonseca et al, 2005;Firme, 2007;Gloaguen et al, 2007). However, Speir et al (1999) affirmed that such changes are, in general, of low magnitude, with values typically lower than 1 pH unit, and therefore did not significantly affected the availability of nutrients.…”

Section: Acidity and Aluminum Contentmentioning

confidence: 79%

Soil Chemistry after Irrigation with Treated Wastewater in Semiarid Climate

Oliveira

Gloaguen

Gonçalves

et al. 2016

Rev. Bras. Ciênc. Solo

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Soil irrigation using treated wastewater in the Brazilian semiarid region is a promising practice as this area currently faces water scarcity and pollution of water resources by domestic sewage. The aim of this study was to evaluate the use of treated wastewater in drip irrigation and its effect on the chemistry of soil cultivated with squash (Cucurbita maxima Duch.) Coroa IAC and to verify whether there was an increase in soil salinity under a semiarid climate. The experiment was conducted for 123 days on a farm close to the sewage treatment plant, in a randomized block design with five treatments and four replications. The treatments consisted of two irrigation water depths (100 and 150 % of the evapotranspiration), two applications of gypsum to attenuate wastewater sodicity (0 and 5.51 g per plant), and a control treatment with no application of wastewater or gypsum. During the experiment, treated wastewater and soil gravitational water, at a depth of 0.40 m, were collected for measurement of Na Besides an increase in pH and a reduction in total N, the irrigation with wastewater reduces soil salinity of the naturally salt-rich soils of the semiarid climate. It also led to soil sodification, in spite of the added gypsum, which indicates that irrigation with wastewater might require the addition of greater quantities of gypsum to prevent physical degradation of the soil.

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Section: Acidity and Aluminum Contentmentioning

confidence: 79%

Soil Chemistry after Irrigation with Treated Wastewater in Semiarid Climate

Oliveira

Gloaguen

Gonçalves

et al. 2016

Rev. Bras. Ciênc. Solo

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“…As already mentioned, the magnitude of the diverse processes and reactions between the liquid and solid phase, which are specific to each soil, affect the levels of anions dissolved in the liquid phase. Based on this assumption, the role that soil OM decomposition, microbial activity, and equilibrium reactions between the liquid and solid phase have over the soluble anion contents must be emphasized (Gloaguen et al, 2007). The PO 4 3− concentrations were practically zero in the solutions of the three soils over the sampling period, with levels below the detection limit of the method used for determination of soluble P forms.…”

Section: Chemistry Of the Solutionmentioning

confidence: 99%

Electrical Conductivity and Chemical Composition of Soil Solution: Comparison of Solution Samplers in Tropical Soils

Carmo

Silva

Lima

et al. 2016

Rev. Bras. Ciênc. Solo

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“…A sua interação com o solo e com a microfauna e microflora altera a sua composição química ao longo do tempo e do perfil do solo. Dessa forma, o monitoramento da composição da solução do solo frequentemente adotado em experimentos agrícolas, para avaliar a evolução da fertilidade do solo (Smethurst, 2000;Lilienfein et al, 2000;Silva et al, 2000), bem como da sua salinidade (McIntyre, 1980;Dias et al, 2005), e em estudos ambientais, para monitorar a lixiviação de NO 3 - (Donn & Menzies, 2005;Gloaguen et al, 2007), de elementos-traço metálicos (Percival, 2003) ou de compostos orgânicos (Bellin & Rao, 1993).…”

Section: Introductionunclassified

Composição química da solução do solo nas diferentes classes de poro do solo

Gloaguen

Pereira

Gonçalves

et al. 2009

Rev. Bras. Ciênc. Solo

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RESUMOA composição química da solução do solo pode ser considerada indicadora da presença de nutrientes ou contaminantes no solo. Para analisar a variação dessa composição nos poros do solo, utilizou-se um sistema de extração sequencial da solução do solo em diferentes classes de diâmetro de poro. Colunas de PVC foram construídas e preenchidas com terra fina seca ao ar de um Cambissolo Háplico distrófico, e irrigadas com água destilada (T1), efluente de estação de tratamento de esgoto sanitário EETE (T2) e EETE + 1,2 g L -1 CaSO 4 (T3), aplicando lâminas de 150 e 300 mm. Antes da irrigação e após cada lâmina, aplicaram-se na base de cada coluna os seguintes potenciais: 0, 13,3, 26,7, 40,0 e 53,3 kPa para extração e coleta da solução do solo nas faixas de poros:

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Soil solution chemistry of a Brazilian Oxisol irrigated with treated sewage effluent

Cited by 75 publications

References 27 publications

Soil Chemistry after Irrigation with Treated Wastewater in Semiarid Climate

Soil Chemistry after Irrigation with Treated Wastewater in Semiarid Climate

Electrical Conductivity and Chemical Composition of Soil Solution: Comparison of Solution Samplers in Tropical Soils

Composição química da solução do solo nas diferentes classes de poro do solo

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