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| 1. |  | SOUZA, D. P. de; SANCHES, A. C.; MAFFEI, R. G.; JESUS, F. L. F. de; MENDONÇA, F. C.; PEZZOPANE, J. R. M. Comparison of water consumption estimate for Urochloa brizantha cv. Marandu with FDR probe and weighting lysimeter. In: INOVAGRI INTERNATIONAL MEETING, 4.; CONGRESSO NACIONAL DE IRRIGAÇÃO E DRENAGEM, 26.; SIMPÓSIO BRASILEIRO DE SALINIDADE, 3., 2017, Fortaleza. Anais... Fortaleza: INOVAGRI: ABID; UFC, 2017. p. 1-10.| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| Registros recuperados : 1 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Pecuária Sudeste. |
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Data corrente: |
26/10/2017 |
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Data da última atualização: |
26/10/2017 |
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Tipo da produção científica: |
Artigo em Anais de Congresso |
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Autoria: |
SOUZA, D. P. de; SANCHES, A. C.; MAFFEI, R. G.; JESUS, F. L. F. de; MENDONÇA, F. C.; PEZZOPANE, J. R. M. |
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Afiliação: |
Débora Pantojo de Souza, ESALQ/USP; Arthur Carniato Sanches, ESALQ/USP; Rodolfo Guertas Maffei, ESALQ/USP; Fernanda Lamede Ferreira de Jesus, ESALQ/USP; Fernando Campos Mendonça, ESALQ/USP; JOSE RICARDO MACEDO PEZZOPANE, CPPSE. |
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Título: |
Comparison of water consumption estimate for Urochloa brizantha cv. Marandu with FDR probe and weighting lysimeter. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
In: INOVAGRI INTERNATIONAL MEETING, 4.; CONGRESSO NACIONAL DE IRRIGAÇÃO E DRENAGEM, 26.; SIMPÓSIO BRASILEIRO DE SALINIDADE, 3., 2017, Fortaleza. Anais... Fortaleza: INOVAGRI: ABID; UFC, 2017. |
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Páginas: |
p. 1-10. |
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DOI: |
http://dx.doi.org/10.7127/iv-inovagri-meeting-2017-res0590234 |
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Idioma: |
Inglês |
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Conteúdo: |
Capacitive probes are devices with high investment costs, but they have the advantage of mobility and practical use compared with lysimeters. Therefore, studies are needed to verify the use of this technique in the determination of water consumption by forage plants. The objective of this work was to evaluate the use of a capacitive probe to estimate the water consumption in two cropping systems compared to the data obtained by the weighing lysimeter. They were: single (Marandu palisadegrass) and consortium (Marandu palisadegrass+ black oats + ryegrass). The study was carried out in an experimental area of ESALQ/USP. Data from six cycles of Marandu palisadegrass development were used, four in exclusive cultivation and two in consortium cultivation. Soil moisture was evaluated by the Diviner® capacitive probe and used to calculate the soil water balance. The coefficient of culture data (Kc) estimated by the capacitive probes were correlated with those determined in the weighing lysimeters, correlations were significant (p<0,05) and linear equations. The estimates made with the probe differed from those made with lysimeters overestimating 78% of the studied cases, Kc values of the probes in relation to lysimeters. |
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Palavras-Chave: |
Capacitive probe; Coefficient of culture; Crop evapotranspiration. |
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Categoria do assunto: |
A Sistemas de Cultivo |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/165594/1/TC0590234.pdf
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Marc: |
LEADER 02155nam a2200229 a 4500
001 2078225
005 2017-10-26
008 2017 bl uuuu u00u1 u #d
024 7 $ahttp://dx.doi.org/10.7127/iv-inovagri-meeting-2017-res0590234$2DOI
100 1 $aSOUZA, D. P. de
245 $aComparison of water consumption estimate for Urochloa brizantha cv. Marandu with FDR probe and weighting lysimeter.$h[electronic resource]
260 $aIn: INOVAGRI INTERNATIONAL MEETING, 4.; CONGRESSO NACIONAL DE IRRIGAÇÃO E DRENAGEM, 26.; SIMPÓSIO BRASILEIRO DE SALINIDADE, 3., 2017, Fortaleza. Anais... Fortaleza: INOVAGRI: ABID; UFC$c2017
300 $ap. 1-10.
520 $aCapacitive probes are devices with high investment costs, but they have the advantage of mobility and practical use compared with lysimeters. Therefore, studies are needed to verify the use of this technique in the determination of water consumption by forage plants. The objective of this work was to evaluate the use of a capacitive probe to estimate the water consumption in two cropping systems compared to the data obtained by the weighing lysimeter. They were: single (Marandu palisadegrass) and consortium (Marandu palisadegrass+ black oats + ryegrass). The study was carried out in an experimental area of ESALQ/USP. Data from six cycles of Marandu palisadegrass development were used, four in exclusive cultivation and two in consortium cultivation. Soil moisture was evaluated by the Diviner® capacitive probe and used to calculate the soil water balance. The coefficient of culture data (Kc) estimated by the capacitive probes were correlated with those determined in the weighing lysimeters, correlations were significant (p<0,05) and linear equations. The estimates made with the probe differed from those made with lysimeters overestimating 78% of the studied cases, Kc values of the probes in relation to lysimeters.
653 $aCapacitive probe
653 $aCoefficient of culture
653 $aCrop evapotranspiration
700 1 $aSANCHES, A. C.
700 1 $aMAFFEI, R. G.
700 1 $aJESUS, F. L. F. de
700 1 $aMENDONÇA, F. C.
700 1 $aPEZZOPANE, J. R. M.
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Registro original: |
Embrapa Pecuária Sudeste (CPPSE) |
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