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Registro Completo |
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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
01/06/2016 |
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Data da última atualização: |
24/05/2017 |
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Autoria: |
ZANETTI, L. V.; MILANEZ, C. R. D.; GAMA, V. N.; AGUILAR, M. A. G.; SOUZA, C. A. S.; CAMPOSTRINI, E.; FERRAZ, T. M.; FIGUEIRDO, F. A. M. M. de A. |
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Afiliação: |
LEONARDO VALANDRO ZANETTI, UFES; CAMILLA ROZINDO DIAS MILANEZ, UFES; VINICIUS NOVO GAMA, UFES; MARCO ANTONIO GALEAS AGUILAR, Centro de Pesquisas do Cacau; CARLOS ALBERTO SPAGGIARI SOUZA, Centro de Pesquisas do Cacau; ELIEMAR CAMPOSTRINI, Universidade Estadual do Norte Fluminense Darcy; TIAGO MASSI FERRAZ, UEMA; FÁBIO AFONSO MAZZEI MOURA DE ASSIS FIGUEIREDO, UEMA. |
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Título: |
Leaf application of silicon in young cacao plants subjected to water deficit. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, Brasília, DF, v. 51, n. 3, p. 215-223, mar. 2016. |
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Idioma: |
Inglês |
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Notas: |
Título em português: Aplicação foliar de silício em plantas jovens de cacau submetidas à deficiência hídrica. |
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Conteúdo: |
The objective of this work was to evaluate the physiological and anatomical traits of plants of a cacao (Theobroma cacao) clone in response to water deficit after leaf application of silicon. A randomized complete block design was used, with four replicates, in a 2x3 factorial arrangement of two water regimes (irrigated or nonirrigated) and three silicon concentrations (0.0, 1.5, and 3.0 mg mL‑1) applied in wettable SiO2 powder. The plants were evaluated 20 days after the irrigation regimes were applied. The use of SiO2 increased the stability of cell membranes and the photochemical efficiency of the plants under water deficit. The 1.5 mg mL‑1 concentration of SiO2 increased photosynthetic rate, water use efficiency, and carboxylation efficiency, besides mitigating the effect of oxidative stress. Stomatal density was reduced in nonirrigated plants under the highest concentration of Si. The 1.5 mg mL‑1 concentration of Si is considered optimal for the photosynthetic metabolism of young cacao plants under soil water limitation. |
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Palavras-Chave: |
Antioxidant enzymes; Enzima antioxidante; Fotoquímica; SiO2. |
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Thesagro: |
Anatomia; Seca; Theobroma Cacao. |
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Thesaurus Nal: |
Drought; Photochemistry; Plant anatomy. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/143648/1/Leaf-application.pdf
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Marc: |
LEADER 02100naa a2200337 a 4500
001 2046041
005 2017-05-24
008 2016 bl uuuu u00u1 u #d
100 1 $aZANETTI, L. V.
245 $aLeaf application of silicon in young cacao plants subjected to water deficit.
260 $c2016
500 $aTítulo em português: Aplicação foliar de silício em plantas jovens de cacau submetidas à deficiência hídrica.
520 $aThe objective of this work was to evaluate the physiological and anatomical traits of plants of a cacao (Theobroma cacao) clone in response to water deficit after leaf application of silicon. A randomized complete block design was used, with four replicates, in a 2x3 factorial arrangement of two water regimes (irrigated or nonirrigated) and three silicon concentrations (0.0, 1.5, and 3.0 mg mL‑1) applied in wettable SiO2 powder. The plants were evaluated 20 days after the irrigation regimes were applied. The use of SiO2 increased the stability of cell membranes and the photochemical efficiency of the plants under water deficit. The 1.5 mg mL‑1 concentration of SiO2 increased photosynthetic rate, water use efficiency, and carboxylation efficiency, besides mitigating the effect of oxidative stress. Stomatal density was reduced in nonirrigated plants under the highest concentration of Si. The 1.5 mg mL‑1 concentration of Si is considered optimal for the photosynthetic metabolism of young cacao plants under soil water limitation.
650 $aDrought
650 $aPhotochemistry
650 $aPlant anatomy
650 $aAnatomia
650 $aSeca
650 $aTheobroma Cacao
653 $aAntioxidant enzymes
653 $aEnzima antioxidante
653 $aFotoquímica
653 $aSiO2
700 1 $aMILANEZ, C. R. D.
700 1 $aGAMA, V. N.
700 1 $aAGUILAR, M. A. G.
700 1 $aSOUZA, C. A. S.
700 1 $aCAMPOSTRINI, E.
700 1 $aFERRAZ, T. M.
700 1 $aFIGUEIRDO, F. A. M. M. de A.
773 $tPesquisa Agropecuária Brasileira, Brasília, DF$gv. 51, n. 3, p. 215-223, mar. 2016.
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Registro original: |
Embrapa Unidades Centrais (AI-SEDE) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Pantanal. Para informações adicionais entre em contato com cpap.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Agricultura Digital; Embrapa Agrobiologia; Embrapa Pantanal. |
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Data corrente: |
15/05/2017 |
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Data da última atualização: |
12/07/2017 |
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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: |
SANTOS, S. A.; LIMA, H. P. de; MASSRUHA, S. M. F. S.; ABREU, U. G. P. de; TOMAS, W. M.; SALIS, S. M. de; CARDOSO, E. L.; OLIVEIRA, M. D. de; SOARES, M. T. S.; SANTOS JÚNIOR, A.; OLIVEIRA, L. O. F. de; CALHEIROS, D. F.; CRISPIM, S. M. A.; SORIANO, B. M. A.; AMANCIO, C. O. da G.; NUNES, A. P.; PELLEGRIN, L. A. |
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Afiliação: |
SANDRA APARECIDA SANTOS, CPAP; HELANO POVOAS DE LIMA, CNPTIA; SILVIA MARIA FONSECA S MASSRUHA, CNPTIA; URBANO GOMES PINTO DE ABREU, CPAP; WALFRIDO MORAES TOMAS, CPAP; SUZANA MARIA DE SALIS, CPAP; EVALDO LUIS CARDOSO, CPAP; MARCIA DIVINA DE OLIVEIRA, CPAP; MARCIA TOFFANI SIMAO SOARES, CPAP; ANTONIO DOS SANTOS JUNIOR, Instituto Federal de Rondonia; LUIZ ORCIRIO FIALHO DE OLIVEIRA, CNPGC; DEBORA FERNANDES CALHEIROS, DGP; SANDRA MARA ARAUJO CRISPIM, CPAP; BALBINA MARIA ARAUJO SORIANO, CPAP; CRISTHIANE OLIVEIRA DA G AMANCIO, CNPAB; Alessandro Pacheco Nunes, UFMS; LUIZ ALBERTO PELLEGRIN, CPAP. |
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Título: |
A fuzzy logic-based tool to assess beef cattle ranching sustainability in complex environmental systems. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Journal of Environmental Management, v. 198, part 2, p. 95-106, 2017. |
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DOI: |
http://dx.doi.org/10.1016/j.jenvman.2017.04.076 |
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Idioma: |
Inglês
Português |
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Conteúdo: |
One of the most relevant issues in discussion worldwide nowadays is the concept of sustainability. However, sustainability assessment is a difficult task due to the complexity of factors involved in the natural world added to the human interference. In order to assess the sustainability of beef ranching in complex and uncertain tropical environment systems this paper describes a decision support system based on fuzzy rule-approach, the Sustainable Pantanal Ranch (SPR). This tool was built by a set of measurements and indicators integrated by fuzzy logic to evaluate the attributes of the three dimensions of sustainability. Indicators and decision rules, as well as scenario evaluations, were obtained from workshops involving multi-disciplinary team of experts. A Fuzzy Rule-Based System (FRBS) was developed to each attribute, dimension and general index. The essential parts of the FRBS are the knowledge database, rules and the inference engine. The FuzzyGen andWebFuzzy tools were developed to support the FRBS and both showed efficiency and low cost for digital applications. The results of each attribute, dimension and index were presented as radar graphs, showing the individual value (0e10) of each indicator. In the validation process using theWebFuzzy, different combinations of indicators were made for each attribute index to show the corresponding output, and which confirm the feasibility and usability of the tool. |
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Palavras-Chave: |
Áreas úmidas; Indicadores; Lógica difusa; Wetland. |
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Thesagro: |
Biodiversidade. |
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Thesaurus NAL: |
Biodiversity; Environmental indicators; Fuzzy logic; Rangelands. |
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Categoria do assunto: |
--
X Pesquisa, Tecnologia e Engenharia |
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Marc: |
LEADER 02733naa a2200433 a 4500
001 2069954
005 2017-07-12
008 2017 bl uuuu u00u1 u #d
024 7 $ahttp://dx.doi.org/10.1016/j.jenvman.2017.04.076$2DOI
100 1 $aSANTOS, S. A.
245 $aA fuzzy logic-based tool to assess beef cattle ranching sustainability in complex environmental systems.$h[electronic resource]
260 $c2017
520 $aOne of the most relevant issues in discussion worldwide nowadays is the concept of sustainability. However, sustainability assessment is a difficult task due to the complexity of factors involved in the natural world added to the human interference. In order to assess the sustainability of beef ranching in complex and uncertain tropical environment systems this paper describes a decision support system based on fuzzy rule-approach, the Sustainable Pantanal Ranch (SPR). This tool was built by a set of measurements and indicators integrated by fuzzy logic to evaluate the attributes of the three dimensions of sustainability. Indicators and decision rules, as well as scenario evaluations, were obtained from workshops involving multi-disciplinary team of experts. A Fuzzy Rule-Based System (FRBS) was developed to each attribute, dimension and general index. The essential parts of the FRBS are the knowledge database, rules and the inference engine. The FuzzyGen andWebFuzzy tools were developed to support the FRBS and both showed efficiency and low cost for digital applications. The results of each attribute, dimension and index were presented as radar graphs, showing the individual value (0e10) of each indicator. In the validation process using theWebFuzzy, different combinations of indicators were made for each attribute index to show the corresponding output, and which confirm the feasibility and usability of the tool.
650 $aBiodiversity
650 $aEnvironmental indicators
650 $aFuzzy logic
650 $aRangelands
650 $aBiodiversidade
653 $aÁreas úmidas
653 $aIndicadores
653 $aLógica difusa
653 $aWetland
700 1 $aLIMA, H. P. de
700 1 $aMASSRUHA, S. M. F. S.
700 1 $aABREU, U. G. P. de
700 1 $aTOMAS, W. M.
700 1 $aSALIS, S. M. de
700 1 $aCARDOSO, E. L.
700 1 $aOLIVEIRA, M. D. de
700 1 $aSOARES, M. T. S.
700 1 $aSANTOS JÚNIOR, A.
700 1 $aOLIVEIRA, L. O. F. de
700 1 $aCALHEIROS, D. F.
700 1 $aCRISPIM, S. M. A.
700 1 $aSORIANO, B. M. A.
700 1 $aAMANCIO, C. O. da G.
700 1 $aNUNES, A. P.
700 1 $aPELLEGRIN, L. A.
773 $tJournal of Environmental Management$gv. 198, part 2, p. 95-106, 2017.
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Embrapa Pantanal (CPAP) |
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