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Registro Completo |
Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
Data corrente: |
14/11/2013 |
Data da última atualização: |
19/05/2023 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
SILVA, A. J. P. da; COELHO, E. F. |
Afiliação: |
ALISSON JADAVI PEREIRA DA SILVA, IF Baiano; EUGENIO FERREIRA COELHO, CNPMF. |
Título: |
Water percolation estimated with time domain reflectometry (TDR) in drainage lysimeters. |
Ano de publicação: |
2013 |
Fonte/Imprenta: |
Revista Brasileira de Ciência do Solo, v.37, p.920-927, 2013. |
Idioma: |
Inglês |
Conteúdo: |
Due to the difficulty of estimating water percolation in unsaturated soils, the purpose of this study was to estimate water percolation based on time-domain reflectometry (TDR). In two drainage lysimeters with different soil textures TDR probes were installed, forming a water monitoring system consisting of different numbers of probes. The soils were saturated and covered with plastic to prevent evaporation. Tests of internal drainage were carried out using a TDR 100 unit with constant dielectric readings (every 15 min). To test the consistency of TDRestimated percolation levels in comparison with the observed leachate levels in the drainage lysimeters, the combined null hypothesis was tested at 5 % probability. A higher number of probes in the water monitoring system resulted in an approximation of the percolation levels estimated from TDR-based moisture data to the levels measured by lysimeters. The definition of the number of probes required for water monitoring to estimate water percolation by TDR depends on the soil physical properties. For sandy clay soils, three batteries with four probes installed at depths of 0.20, 0.40, 0.60, and 0.80 m, at a distance of 0.20, 0.40 and 0.6 m from the center of lysimeters were sufficient to estimate percolation levels equivalent to the observed. In the sandy loam soils, the observed and predicted percolation levels were not equivalent even when using four batteries with four probes each, at depths of 0.20, 0.40, 0.60, and 0.80 m. |
Palavras-Chave: |
Water flow in the soil. |
Thesagro: |
Drenagem. |
Thesaurus Nal: |
Drainage; Soil; Soil water; Water flow. |
Categoria do assunto: |
-- |
Marc: |
LEADER 02092naa a2200205 a 4500 001 1971215 005 2023-05-19 008 2013 bl uuuu u00u1 u #d 100 1 $aSILVA, A. J. P. da 245 $aWater percolation estimated with time domain reflectometry (TDR) in drainage lysimeters.$h[electronic resource] 260 $c2013 520 $aDue to the difficulty of estimating water percolation in unsaturated soils, the purpose of this study was to estimate water percolation based on time-domain reflectometry (TDR). In two drainage lysimeters with different soil textures TDR probes were installed, forming a water monitoring system consisting of different numbers of probes. The soils were saturated and covered with plastic to prevent evaporation. Tests of internal drainage were carried out using a TDR 100 unit with constant dielectric readings (every 15 min). To test the consistency of TDRestimated percolation levels in comparison with the observed leachate levels in the drainage lysimeters, the combined null hypothesis was tested at 5 % probability. A higher number of probes in the water monitoring system resulted in an approximation of the percolation levels estimated from TDR-based moisture data to the levels measured by lysimeters. The definition of the number of probes required for water monitoring to estimate water percolation by TDR depends on the soil physical properties. For sandy clay soils, three batteries with four probes installed at depths of 0.20, 0.40, 0.60, and 0.80 m, at a distance of 0.20, 0.40 and 0.6 m from the center of lysimeters were sufficient to estimate percolation levels equivalent to the observed. In the sandy loam soils, the observed and predicted percolation levels were not equivalent even when using four batteries with four probes each, at depths of 0.20, 0.40, 0.60, and 0.80 m. 650 $aDrainage 650 $aSoil 650 $aSoil water 650 $aWater flow 650 $aDrenagem 653 $aWater flow in the soil 700 1 $aCOELHO, E. F. 773 $tRevista Brasileira de Ciência do Solo$gv.37, p.920-927, 2013.
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Embrapa Mandioca e Fruticultura (CNPMF) |
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Registro Completo
Biblioteca(s): |
Embrapa Suínos e Aves. |
Data corrente: |
28/02/2012 |
Data da última atualização: |
28/02/2012 |
Tipo da produção científica: |
Artigo em Anais de Congresso |
Autoria: |
BRITO, B. G.; TEJKOWSKI, T. M.; OLIVEIRA, G. A.; SOARES, B. D.; JAENISCH, F. R. F.; OBARA, V. Y.; SILVA, S. M. H.; TORRES, A. R.; DOMINGUES, J.; MELO, R. O.; BRITO, K. C. T. |
Afiliação: |
BENITO GUIMARÃES DE BRITO, IPVDF; CNPq; CNPq; CNPq; FATIMA REGINA FERREIRA JAENISCH, CNPSA; CNPq; CNPq; CNPq; CNPq; CNPq; KELLY CRISTINA TAGLIARI BRITO, ECOlVET. |
Título: |
Virulência bacteriana y resistência de diferentes estirpes de aves associada com la incidência de celulites em polos. |
Ano de publicação: |
2011 |
Fonte/Imprenta: |
In: CONGRESO LATINOAMERICANO DE AVICULTURA , 22., 2011, Buenos Aires. Memorias del congresso... Buenos Aires: ALA/CEPA/CAPIA, 2011. 1 CD-ROM. |
Idioma: |
Espanhol |
Notas: |
Projeto/Plano de Ação: 11.11.11.111. |
Palavras-Chave: |
Celulite; SKIN. |
Thesagro: |
Frango de Corte. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/54779/1/virulencia-bavteriana-y-resistencia.pdf
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Marc: |
LEADER 00919nam a2200265 a 4500 001 1916921 005 2012-02-28 008 2011 bl uuuu u00u1 u #d 100 1 $aBRITO, B. G. 245 $aVirulência bacteriana y resistência de diferentes estirpes de aves associada com la incidência de celulites em polos.$h[electronic resource] 260 $aIn: CONGRESO LATINOAMERICANO DE AVICULTURA , 22., 2011, Buenos Aires. Memorias del congresso... Buenos Aires: ALA/CEPA/CAPIA, 2011. 1 CD-ROM.$c2011 500 $aProjeto/Plano de Ação: 11.11.11.111. 650 $aFrango de Corte 653 $aCelulite 653 $aSKIN 700 1 $aTEJKOWSKI, T. M. 700 1 $aOLIVEIRA, G. A. 700 1 $aSOARES, B. D. 700 1 $aJAENISCH, F. R. F. 700 1 $aOBARA, V. Y. 700 1 $aSILVA, S. M. H. 700 1 $aTORRES, A. R. 700 1 $aDOMINGUES, J. 700 1 $aMELO, R. O. 700 1 $aBRITO, K. C. T.
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