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 | Acesso ao texto completo restrito à biblioteca da Embrapa Agrobiologia. Para informações adicionais entre em contato com cnpab.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Agrobiologia. |
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Data corrente: |
25/10/2021 |
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Data da última atualização: |
25/10/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
MONTEIRO, E. de C.; SILVA, C. G. N. da S.; MARTINS, M. dos R.; REIS, V. M.; BODDEY, R. M.; ALVES, B. J. R.; URQUIAGA, S. |
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Afiliação: |
EDEVALDO DE CASTRO MONTEIRO, UFRRJ; CLEUDISON GABRIEL NASCIMENTO DA SILVA, UFRRJ; MÁRCIO DOS REIS MARTINS, UFRRJ; VERONICA MASSENA REIS, CNPAB; ROBERT MICHAEL BODDEY, CNPAB; BRUNO JOSE RODRIGUES ALVES, CNPAB; SEGUNDO SACRAMENTO U CABALLERO, CNPAB. |
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Título: |
Strategy for the sampling of sugarcane plants for the reliable quantification of N2 fixation Using 15N natural abundance. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Journal of Soil Science and Plant Nutrition, publishing online 9 aug. 2021 |
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ISSN: |
0718-9508 |
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DOI: |
https://doi.org/10.1007/s42729-021-00561-6 |
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Idioma: |
Inglês |
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Conteúdo: |
The 15N natural abundance (δ15N) technique ofers good prospects for the quantifcation of the contribution of biological nitrogen fxation (BNF) to crop nutrition. The objectives of this study were to determine which plant parts best represented the whole plant with respect to δ15N and to quantify the BNF contribution to sugarcane. The experiment was carried out in pots of soil (100 kg pot−1) from the feld. The sugarcane varieties used were RB867515 and RB92579 with the reference plants Brachiaria decumbens, millet (Pennisetum americanum) and sorghum (Sorghum bicolor). The experimental design was randomised blocks with four replications. The treatments were inoculation of the sugarcane with or without diazotrophic bacteria and the diferent parts of the sugarcane plant (root, green leaf, senescent leaf and diferent stem sections). The δ15N of diferent cane parts and varieties ranged from+2.68 to+5.85? after 365 days, while the δ15N of reference plants were from+7.8 to+8.3?. The mean contribution of BNF to the sugarcane crop N supply was estimated to be 47% with no efect of variety or inoculation. The results indicate that the δ15N value of the entire shoot can be considered to represent the entire sugarcane plant, but no single organ could be relied on for this purpose |
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Palavras-Chave: |
15N natural abundance; N2 fxation; Nitrogen isotopes; Reference plants. |
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Thesaurus Nal: |
Sugarcane. |
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Categoria do assunto: |
S Ciências Biológicas |
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Marc: |
LEADER 02204naa a2200277 a 4500
001 2135534
005 2021-10-25
008 2021 bl uuuu u00u1 u #d
022 $a0718-9508
024 7 $ahttps://doi.org/10.1007/s42729-021-00561-6$2DOI
100 1 $aMONTEIRO, E. de C.
245 $aStrategy for the sampling of sugarcane plants for the reliable quantification of N2 fixation Using 15N natural abundance.$h[electronic resource]
260 $c2021
520 $aThe 15N natural abundance (δ15N) technique ofers good prospects for the quantifcation of the contribution of biological nitrogen fxation (BNF) to crop nutrition. The objectives of this study were to determine which plant parts best represented the whole plant with respect to δ15N and to quantify the BNF contribution to sugarcane. The experiment was carried out in pots of soil (100 kg pot−1) from the feld. The sugarcane varieties used were RB867515 and RB92579 with the reference plants Brachiaria decumbens, millet (Pennisetum americanum) and sorghum (Sorghum bicolor). The experimental design was randomised blocks with four replications. The treatments were inoculation of the sugarcane with or without diazotrophic bacteria and the diferent parts of the sugarcane plant (root, green leaf, senescent leaf and diferent stem sections). The δ15N of diferent cane parts and varieties ranged from+2.68 to+5.85? after 365 days, while the δ15N of reference plants were from+7.8 to+8.3?. The mean contribution of BNF to the sugarcane crop N supply was estimated to be 47% with no efect of variety or inoculation. The results indicate that the δ15N value of the entire shoot can be considered to represent the entire sugarcane plant, but no single organ could be relied on for this purpose
650 $aSugarcane
653 $a15N natural abundance
653 $aN2 fxation
653 $aNitrogen isotopes
653 $aReference plants
700 1 $aSILVA, C. G. N. da S.
700 1 $aMARTINS, M. dos R.
700 1 $aREIS, V. M.
700 1 $aBODDEY, R. M.
700 1 $aALVES, B. J. R.
700 1 $aURQUIAGA, S.
773 $tJournal of Soil Science and Plant Nutrition, publishing online 9 aug. 2021
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Embrapa Agrobiologia (CNPAB) |
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| 189. |  | FONTANELI, R. S.; SANTOS, H. P. dos; CAIERÃO, E. Determinação da curva de crescimento de trigo BRS Figueira e de aveia preta Agro Zebu, sob plantio direto, de 2003 a 2005, em Passo Fundo, RS. In: REUNIÃO DA COMISSÃO BRASILEIRA DE PESQUISA DE AVEIA, 27., 2007, Passo Fundo. Resultados experimentais... Passo Fundo: Universidade de Passo Fundo, 2007. p. 40-45. Organizado por Elmar Luiz Floss.| Tipo: Artigo em Anais de Congresso / Nota Técnica | Circulação/Nível: -- - -- |
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