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Registro Completo |
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
22/09/2008 |
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Data da última atualização: |
28/10/2022 |
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Tipo da produção científica: |
Artigo em Anais de Congresso / Nota Técnica |
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Autoria: |
COELHO, E. F.; SANTANA, J. A. do V.; VEIMROBER JUNIOR, L. A. dos A.; SANTANA JUNIOR, E. B. |
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Afiliação: |
Eugênio Ferreira Coelho, CNPMF; José Antônio do Vale Santana, UFRB; Lúcio Aderito dos Anjos Veimrober Junior, UFRB; Edvaldo Bispo Santana Junior, UFRB. |
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Título: |
Estimating electrical conductivity and sodium concentration in soil solution under diferent soil salinity conditions in lysimeters. |
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Ano de publicação: |
2008 |
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Fonte/Imprenta: |
In: INTERNATIONAL CONFERENCE OF AGRICULTURAL ENGINEERING; BRAZILIAN CONGRESS OF AGRICULTURAL ENGINEERING, 38.; INTERNATIONAL LIVESTOCK ENVIRONMENT SYMPOSIUM, 8., 2008, Iguassu Falls. [Foz do Iguaçu]: CIGR, 2008. |
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Idioma: |
Inglês |
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Notas: |
PAP0948.pdf. |
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Conteúdo: |
TDR technique has been used as a tool or monitoring soil electrical conductivity and ion concentration n the soil. The objective of this study was to valuate models for estimating soil solution sodium concentration based on bulk lectrical conductivity (ECa) and soil water content data in lysimeters under ifferent soil salinity conditions.Treatments regarded about leaching fraction (LF) levels (T1-0%,T2-30%andT3-60%), with three eplications in field lysimeters.TDR robes were inserted at different distances and depths in he soil.Water samplers were inserted near eachTDR probe so that soil solution could be xtracted from soil and soil water content nd ECa could be observed at he same time by using TDR equipment. An empirical and parametric odel adapted from the one roposed VOGELER etal.(1997) in combination o a potential model was fitted to data of ECw, Ca, soil water content (O) and sodium concentration ollected in the lysimeters.Soil solution electrical conductivity nd sodium concentration of soil solution n field lysimeters was estimated reasonably by an adapted model of Vogeler et al.(1997) based up on readings of soil water content and bulk electrical conductivity.The best performance of the model corresponded to smaller salinity conditionsi n the soil (T1). |
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Palavras-Chave: |
Alinity; TDR. |
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Thesaurus Nal: |
soil water balance. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/636784/1/PAP0948.pdf
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Marc: |
LEADER 02078nam a2200193 a 4500
001 1636784
005 2022-10-28
008 2008 bl uuuu u00u1 u #d
100 1 $aCOELHO, E. F.
245 $aEstimating electrical conductivity and sodium concentration in soil solution under diferent soil salinity conditions in lysimeters.$h[electronic resource]
260 $aIn: INTERNATIONAL CONFERENCE OF AGRICULTURAL ENGINEERING; BRAZILIAN CONGRESS OF AGRICULTURAL ENGINEERING, 38.; INTERNATIONAL LIVESTOCK ENVIRONMENT SYMPOSIUM, 8., 2008, Iguassu Falls. [Foz do Iguaçu]: CIGR$c2008
500 $aPAP0948.pdf.
520 $aTDR technique has been used as a tool or monitoring soil electrical conductivity and ion concentration n the soil. The objective of this study was to valuate models for estimating soil solution sodium concentration based on bulk lectrical conductivity (ECa) and soil water content data in lysimeters under ifferent soil salinity conditions.Treatments regarded about leaching fraction (LF) levels (T1-0%,T2-30%andT3-60%), with three eplications in field lysimeters.TDR robes were inserted at different distances and depths in he soil.Water samplers were inserted near eachTDR probe so that soil solution could be xtracted from soil and soil water content nd ECa could be observed at he same time by using TDR equipment. An empirical and parametric odel adapted from the one roposed VOGELER etal.(1997) in combination o a potential model was fitted to data of ECw, Ca, soil water content (O) and sodium concentration ollected in the lysimeters.Soil solution electrical conductivity nd sodium concentration of soil solution n field lysimeters was estimated reasonably by an adapted model of Vogeler et al.(1997) based up on readings of soil water content and bulk electrical conductivity.The best performance of the model corresponded to smaller salinity conditionsi n the soil (T1).
650 $asoil water balance
653 $aAlinity
653 $aTDR
700 1 $aSANTANA, J. A. do V.
700 1 $aVEIMROBER JUNIOR, L. A. dos A.
700 1 $aSANTANA JUNIOR, E. B.
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Embrapa Mandioca e Fruticultura (CNPMF) |
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