Gypsum-saturated water to reclaim alluvial saline sodic and sodic soils.
Autor(a) principal: | |
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Data de Publicação: | 2008 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) |
Texto Completo: | http://www.alice.cnptia.embrapa.br/alice/handle/doc/1135118 https://doi.org/10.1590/S0103-90162008000100010 |
Resumo: | Inadequate management of soil and irrigation water contribute to soil degradation, particularly in the alluvial areas of Northeast Brazil, where salinity and sodicity are already common features. This study evaluates the effects of the addition of gypsum in the irrigation water on physical and chemical properties of soils with different levels of salinity and sodicity. Samples were collected at the Custódia irrigation area of Brazil, predominantly covered by alluvial soils. Leaching tests using simulated irrigation water classified as C3S1, and gypsum-saturated irrigation water were carried out in soil columns of 20 and 50 cm depth. Soil leaching with gypsum saturated water (T2) resulted in an increase in the amounts of exchangeable calcium and potassium, and in a decrease of soil pH, in relation to the original soil (T0), with significant statistical differences to the treatment using only water (T1). There was a reduction in the electrical conductivity, exchangeable sodium and exchangeable sodium percentage in both treatments (T1 and T2), with treatment T2 being more effective in the leaching of soil sodium. No changes of electrical conductivity, calcium and pH in depth were observed, but the 20 - 50 cm layer presented higher amounts of magnesium, sodium and exchangeable sodium percentage. Gypsum saturated water improved the hydraulic conductivity in both layers. The use of gypsum in the irrigation water improved soil physical and chemical properties and should be considered as an alternative in the process of reclamation of saline-sodic and sodic soils in Northeast Brazil. |
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Gypsum-saturated water to reclaim alluvial saline sodic and sodic soils.IrrigaçãoManejo do SoloInadequate management of soil and irrigation water contribute to soil degradation, particularly in the alluvial areas of Northeast Brazil, where salinity and sodicity are already common features. This study evaluates the effects of the addition of gypsum in the irrigation water on physical and chemical properties of soils with different levels of salinity and sodicity. Samples were collected at the Custódia irrigation area of Brazil, predominantly covered by alluvial soils. Leaching tests using simulated irrigation water classified as C3S1, and gypsum-saturated irrigation water were carried out in soil columns of 20 and 50 cm depth. Soil leaching with gypsum saturated water (T2) resulted in an increase in the amounts of exchangeable calcium and potassium, and in a decrease of soil pH, in relation to the original soil (T0), with significant statistical differences to the treatment using only water (T1). There was a reduction in the electrical conductivity, exchangeable sodium and exchangeable sodium percentage in both treatments (T1 and T2), with treatment T2 being more effective in the leaching of soil sodium. No changes of electrical conductivity, calcium and pH in depth were observed, but the 20 - 50 cm layer presented higher amounts of magnesium, sodium and exchangeable sodium percentage. Gypsum saturated water improved the hydraulic conductivity in both layers. The use of gypsum in the irrigation water improved soil physical and chemical properties and should be considered as an alternative in the process of reclamation of saline-sodic and sodic soils in Northeast Brazil.KARIEN RODRIGUES DA SILVEIRA, UFRPE; MATEUS ROSAS RIBEIRO, UFRPE; LUIZ BEZERRA DE OLIVEIRA, CNPS; RICHARD JOHN HECK, UNIVERSITY OF GUELPH; RACHEL RODRIGUES DA SILVEIRA, UFRPE.SILVEIRA, K. R. daRIBEIRO, M. R.OLIVEIRA, L. B. deHECK, R. J.SILVEIRA, R. R. da2021-10-07T02:12:46Z2021-10-07T02:12:46Z2021-10-062008info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleScientia Agricola, v. 65, n. 1, p. 69-76, jan./fev. 2008.http://www.alice.cnptia.embrapa.br/alice/handle/doc/1135118https://doi.org/10.1590/S0103-90162008000100010enginfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice)instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)instacron:EMBRAPA2021-10-07T02:12:54Zoai:www.alice.cnptia.embrapa.br:doc/1135118Repositório InstitucionalPUBhttps://www.alice.cnptia.embrapa.br/oai/requestopendoar:21542021-10-07T02:12:54falseRepositório InstitucionalPUBhttps://www.alice.cnptia.embrapa.br/oai/requestcg-riaa@embrapa.bropendoar:21542021-10-07T02:12:54Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)false |
dc.title.none.fl_str_mv |
Gypsum-saturated water to reclaim alluvial saline sodic and sodic soils. |
title |
Gypsum-saturated water to reclaim alluvial saline sodic and sodic soils. |
spellingShingle |
Gypsum-saturated water to reclaim alluvial saline sodic and sodic soils. SILVEIRA, K. R. da Irrigação Manejo do Solo |
title_short |
Gypsum-saturated water to reclaim alluvial saline sodic and sodic soils. |
title_full |
Gypsum-saturated water to reclaim alluvial saline sodic and sodic soils. |
title_fullStr |
Gypsum-saturated water to reclaim alluvial saline sodic and sodic soils. |
title_full_unstemmed |
Gypsum-saturated water to reclaim alluvial saline sodic and sodic soils. |
title_sort |
Gypsum-saturated water to reclaim alluvial saline sodic and sodic soils. |
author |
SILVEIRA, K. R. da |
author_facet |
SILVEIRA, K. R. da RIBEIRO, M. R. OLIVEIRA, L. B. de HECK, R. J. SILVEIRA, R. R. da |
author_role |
author |
author2 |
RIBEIRO, M. R. OLIVEIRA, L. B. de HECK, R. J. SILVEIRA, R. R. da |
author2_role |
author author author author |
dc.contributor.none.fl_str_mv |
KARIEN RODRIGUES DA SILVEIRA, UFRPE; MATEUS ROSAS RIBEIRO, UFRPE; LUIZ BEZERRA DE OLIVEIRA, CNPS; RICHARD JOHN HECK, UNIVERSITY OF GUELPH; RACHEL RODRIGUES DA SILVEIRA, UFRPE. |
dc.contributor.author.fl_str_mv |
SILVEIRA, K. R. da RIBEIRO, M. R. OLIVEIRA, L. B. de HECK, R. J. SILVEIRA, R. R. da |
dc.subject.por.fl_str_mv |
Irrigação Manejo do Solo |
topic |
Irrigação Manejo do Solo |
description |
Inadequate management of soil and irrigation water contribute to soil degradation, particularly in the alluvial areas of Northeast Brazil, where salinity and sodicity are already common features. This study evaluates the effects of the addition of gypsum in the irrigation water on physical and chemical properties of soils with different levels of salinity and sodicity. Samples were collected at the Custódia irrigation area of Brazil, predominantly covered by alluvial soils. Leaching tests using simulated irrigation water classified as C3S1, and gypsum-saturated irrigation water were carried out in soil columns of 20 and 50 cm depth. Soil leaching with gypsum saturated water (T2) resulted in an increase in the amounts of exchangeable calcium and potassium, and in a decrease of soil pH, in relation to the original soil (T0), with significant statistical differences to the treatment using only water (T1). There was a reduction in the electrical conductivity, exchangeable sodium and exchangeable sodium percentage in both treatments (T1 and T2), with treatment T2 being more effective in the leaching of soil sodium. No changes of electrical conductivity, calcium and pH in depth were observed, but the 20 - 50 cm layer presented higher amounts of magnesium, sodium and exchangeable sodium percentage. Gypsum saturated water improved the hydraulic conductivity in both layers. The use of gypsum in the irrigation water improved soil physical and chemical properties and should be considered as an alternative in the process of reclamation of saline-sodic and sodic soils in Northeast Brazil. |
publishDate |
2008 |
dc.date.none.fl_str_mv |
2008 2021-10-07T02:12:46Z 2021-10-07T02:12:46Z 2021-10-06 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/publishedVersion info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
Scientia Agricola, v. 65, n. 1, p. 69-76, jan./fev. 2008. http://www.alice.cnptia.embrapa.br/alice/handle/doc/1135118 https://doi.org/10.1590/S0103-90162008000100010 |
identifier_str_mv |
Scientia Agricola, v. 65, n. 1, p. 69-76, jan./fev. 2008. |
url |
http://www.alice.cnptia.embrapa.br/alice/handle/doc/1135118 https://doi.org/10.1590/S0103-90162008000100010 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.source.none.fl_str_mv |
reponame:Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa) instacron:EMBRAPA |
instname_str |
Empresa Brasileira de Pesquisa Agropecuária (Embrapa) |
instacron_str |
EMBRAPA |
institution |
EMBRAPA |
reponame_str |
Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) |
collection |
Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) |
repository.name.fl_str_mv |
Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa) |
repository.mail.fl_str_mv |
cg-riaa@embrapa.br |
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1794503510358753280 |