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| 132. |  | COELHO FILHO, M. A.; SILVA, T. S. M. da; MONTEIRO, J. E. B. de A. Riscos climáticos. In: BORGES, A. L. (Ed.). Recomendações de calagem e adubação para abacaxi, acerola, banana, citros, mamão, mandioca, manga e maracujá. Brasília, DF: Embrapa, 2021. Cap. 5. p.71-92.| Biblioteca(s): Embrapa Agricultura Digital; Embrapa Mandioca e Fruticultura. |
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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
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
11/02/2011 |
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Data da última atualização: |
18/08/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
VELAME, L. de M; COELHO FILHO, M. A.; PAZ, V. P. S.; COELHO, E. F. |
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Afiliação: |
Lucas de Mello Velame, ESALQ; MAURICIO ANTONIO COELHO FILHO, CNPMF; Vital Pedro Silva Paz, UFRB; EUGENIO FERREIRA COELHO, CNPMF. |
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Título: |
Stem heat balance method to estimate transpiration of young orange and mango plants. |
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Ano de publicação: |
2010 |
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Fonte/Imprenta: |
Revista Brasileira de Engenharia Agrícola e Ambiental, Campina Grande, v. 14, n. 6, p. 594-599, 2010. |
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ISSN: |
1415-4366 |
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Idioma: |
Inglês |
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Conteúdo: |
The present study had as its main objective the evaluation of the heat balance method in young orange and mango plants under protected environment. The work was carried out at Embrapa Cassava and Tropical Fruits, Cruz das Almas, BA. Later on, estimates of sap flow were conducted for two mango plants cultivated in pots of 15 and 50 L installed on weighting platforms of 45 and 140 kg; sap flow was determined in three orange plants, two of which were also installed on weighing platforms. The values of sap flow were compared to the transpiration measured by lysimeters at integrated intervals of 1, 2, 4 and 24 h. The heat balance method showed good precision for estimating daily transpiration (R2 = 0.95 and R2 = 0.90), accompaning the availability of energy in the system, underestimating on average 4.6% of the daily transpiration in orange plants and overestimating in about 0.3% the daily transpiration of mango plants under conditions of good water supply. The heat balance method underestimated by 16% the transpiration in orange under conditions of water deficit. |
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Palavras-Chave: |
Estresse hidrico. |
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Thesagro: |
Irrigação. |
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Thesaurus NAL: |
lysimeters; sap flow; water stress. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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Marc: |
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001 1876912
005 2022-08-18
008 2010 bl uuuu u00u1 u #d
022 $a1415-4366
100 1 $aVELAME, L. de M
245 $aStem heat balance method to estimate transpiration of young orange and mango plants.$h[electronic resource]
260 $c2010
520 $aThe present study had as its main objective the evaluation of the heat balance method in young orange and mango plants under protected environment. The work was carried out at Embrapa Cassava and Tropical Fruits, Cruz das Almas, BA. Later on, estimates of sap flow were conducted for two mango plants cultivated in pots of 15 and 50 L installed on weighting platforms of 45 and 140 kg; sap flow was determined in three orange plants, two of which were also installed on weighing platforms. The values of sap flow were compared to the transpiration measured by lysimeters at integrated intervals of 1, 2, 4 and 24 h. The heat balance method showed good precision for estimating daily transpiration (R2 = 0.95 and R2 = 0.90), accompaning the availability of energy in the system, underestimating on average 4.6% of the daily transpiration in orange plants and overestimating in about 0.3% the daily transpiration of mango plants under conditions of good water supply. The heat balance method underestimated by 16% the transpiration in orange under conditions of water deficit.
650 $alysimeters
650 $asap flow
650 $awater stress
650 $aIrrigação
653 $aEstresse hidrico
700 1 $aCOELHO FILHO, M. A.
700 1 $aPAZ, V. P. S.
700 1 $aCOELHO, E. F.
773 $tRevista Brasileira de Engenharia Agrícola e Ambiental, Campina Grande$gv. 14, n. 6, p. 594-599, 2010.
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Embrapa Mandioca e Fruticultura (CNPMF) |
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