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 | Acesso ao texto completo restrito à biblioteca da Embrapa Cerrados. Para informações adicionais entre em contato com cpac.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Cerrados. |
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Data corrente: |
26/10/2022 |
|
Data da última atualização: |
01/11/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
ALVES, E. da S.; RODRIGUES, L. N.; FERREIRA, F. L. V. |
|
Afiliação: |
ÉLVIS DA SILVA ALVES; LINEU NEIVA RODRIGUES, CPAC; FERNANDA LAURINDA VALADARES FERREIRA. |
|
Título: |
Improving the estimation of soil water evaporation based on days after wetting. |
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Ano de publicação: |
2022 |
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Fonte/Imprenta: |
Journal of Agronomy and Crop Science, 2022. |
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Páginas: |
12 p. |
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DOI: |
DOI: 10.1111/jac.12614 |
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Idioma: |
Inglês |
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Conteúdo: |
Soil evaporation constitutes a major pathway of water loss in agriculture. Understanding its dynamics in the face of drying and soil cover is fundamental to improve both simulation models and the sustainability of production systems. Thus, the objective of this study was to estimate soil evaporation as a function of drying and percentage of soil cover. Three experiments were carried out in three different periods. In each of the periods, in parallel and in an adjacent area, an experiment was carried out to evaluate the influence of weighing micro-lysimeter (ML) height on the estimation of direct soil evaporation. The experiments were installed with a completely randomized design. For the experiments that measured evaporation as a function of cover, the treatments consisted of six different percentages of cover of the internal area of the ML (0%, 10%, 25%, 50%, 75% and 100%), with four replicates, using artificial plants to cover the soil. The experiments that estimated evaporation as a function of ML height were conducted with eight repetitions and three different ML heights (100, 200 and 300 mm). It was observed that the accumulated evaporation up to 25 days after wetting was 52% and 53% lower in micro-lysimeters with 100 mm height, compared to those with 200 and 300 mm height, respectively, for all experiments. The new model developed to calculate soil evaporation as a function of the days after wetting and percentage of soil cover showed excellent performance (NSE > 0.95). |
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Thesagro: |
Evapotranspiração; Hidrologia; Irrigação. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02098naa a2200205 a 4500
001 2147788
005 2022-11-01
008 2022 bl uuuu u00u1 u #d
024 7 $aDOI: 10.1111/jac.12614$2DOI
100 1 $aALVES, E. da S.
245 $aImproving the estimation of soil water evaporation based on days after wetting.$h[electronic resource]
260 $c2022
300 $a12 p.
520 $aSoil evaporation constitutes a major pathway of water loss in agriculture. Understanding its dynamics in the face of drying and soil cover is fundamental to improve both simulation models and the sustainability of production systems. Thus, the objective of this study was to estimate soil evaporation as a function of drying and percentage of soil cover. Three experiments were carried out in three different periods. In each of the periods, in parallel and in an adjacent area, an experiment was carried out to evaluate the influence of weighing micro-lysimeter (ML) height on the estimation of direct soil evaporation. The experiments were installed with a completely randomized design. For the experiments that measured evaporation as a function of cover, the treatments consisted of six different percentages of cover of the internal area of the ML (0%, 10%, 25%, 50%, 75% and 100%), with four replicates, using artificial plants to cover the soil. The experiments that estimated evaporation as a function of ML height were conducted with eight repetitions and three different ML heights (100, 200 and 300 mm). It was observed that the accumulated evaporation up to 25 days after wetting was 52% and 53% lower in micro-lysimeters with 100 mm height, compared to those with 200 and 300 mm height, respectively, for all experiments. The new model developed to calculate soil evaporation as a function of the days after wetting and percentage of soil cover showed excellent performance (NSE > 0.95).
650 $aEvapotranspiração
650 $aHidrologia
650 $aIrrigação
700 1 $aRODRIGUES, L. N.
700 1 $aFERREIRA, F. L. V.
773 $tJournal of Agronomy and Crop Science, 2022.
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