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| 2. |  | ALMEIDA, A. F. de; ALMEIDA, A. de. Monitoramento de fauna e de seus habitats em areas florestadas. Serie Tecnica IPEF, Piracicaba, v.12, n.31, p.85-92, abr. 1998. Workshop sobre Monitoramento Ambiental em Areas Florestadas, 2, 1997,Piracicaba. Memoria.| Biblioteca(s): Embrapa Florestas. |
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| 5. | | MIRANDA, V. N. de; ALMEIDA, A. de; HELM, C. V. Caracterização da composição química de cinco itens relacionados ao hábito alimentar do macaco-prego. In: EVENTO DE INICIAÇÃO CIENTÍFICA DA EMBRAPA FLORESTAS, 12., 2013, Colombo. Anais. Colombo: Embrapa Florestas, 2013. (Embrapa Florestas. Documentos, 253). Editores técnicos: Marcílio José Thomazini, Elenice Fritzsons, Patrícia Raquel Silva, Guilherme Schnell e Schuhli, Denise Jeton Cardoso, Luziane Franciscon. EVINCI. Resumos.| Biblioteca(s): Embrapa Florestas. |
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| 11. | | AZEVEDO, D. T. de; ALMEIDA, A. M. de; REIS, V. D. A. dos. Diagnóstico das tecnologias adotadas pelos apicultores nos assentamentos rurais Taquaral e Tamarineiro II Corumbá, MS. In: ENCONTRO DE INICIAÇÃO CIENTÍFICA DA EMBRAPA PANTANAL E UNIVERSIDADE FEDERAL DE MATO GROSSO DO SUL, 3., SEMANA DE BIOLOGIA, 8. 2009, Corumbá. Resumos...Corumbá: Embrapa Pantanal, 2009. (Embrapa Pantanal. Documentos, 101). 27| Biblioteca(s): Embrapa Pantanal. |
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| 16. | | FARIA, M. L. de; ALMEIDA, A. M. R.; BIANCHINI, A.; CHAGAS, C. M.; BAIRRAO, J. M. Raquitismo e mosaico do tremoco causado pelo virus do mosaico amarelo do feijoeiro. Fitopatologia Brasileira, Brasilia, v. 15, n. 2, p. 151, jul. 1990. Resumo apresentado no XXIII Congresso Brasileiro de Fitopatologia, Goiânia, GO, jul. 1990.| Biblioteca(s): Embrapa Soja. |
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| 20. | | ROSSI, C. Q.; PEREIRA, M. G.; MOURA, O. V. T. de; ALMEIDA, A. P. C. de. Vias de formação, estabilidade e características químicas de agregados em solos sob sistemas de manejo agroecológico. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 51, n. 9, p. 1677-1685, set. 2016. Título em inglês: Formation pathways, stability and chemical characteristics of soil aggregates in agroecological management systems.| Biblioteca(s): Embrapa Solos / UEP-Recife; Embrapa Unidades Centrais. |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Mandioca e Fruticultura. Para informações adicionais entre em contato com cnpmf.biblioteca@embrapa.br. |
Registro Completo
|
Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
|
Data corrente: |
14/11/2013 |
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Data da última atualização: |
19/05/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
SILVA, A. J. P. da; COELHO, E. F. |
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Afiliação: |
ALISSON JADAVI PEREIRA DA SILVA, IF Baiano; EUGENIO FERREIRA COELHO, CNPMF. |
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Título: |
Water percolation estimated with time domain reflectometry (TDR) in drainage lysimeters. |
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Ano de publicação: |
2013 |
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Fonte/Imprenta: |
Revista Brasileira de Ciência do Solo, v.37, p.920-927, 2013. |
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Idioma: |
Inglês |
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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. |
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Palavras-Chave: |
Water flow in the soil. |
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Thesagro: |
Drenagem. |
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Thesaurus NAL: |
Drainage; Soil; Soil water; Water flow. |
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Categoria do assunto: |
-- |
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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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