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Registros recuperados : 43 | |
3. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | MOREIRA, A.; MORAES, L. A. C.; REIS, A. R. dos. The molecular genetics of zinc uptake and utilization efficiency in crop plants. In: HOSSAIN, M. A.; KAMIYA, T.; BURRITT, D. J.; TRAN, L.-S. P.; FUJIWARA, T. (Ed.). Plant micronutrient use efficiency: molecular and genomic perspectives in crop plants. London: AP, c2018. cap. 5, p. 87-108. Biblioteca(s): Embrapa Soja. |
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8. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | STEFANINI, T. F.; REIS, A. R. dos; PESSOA, J. D. C.; CALBO, A. G. Avaliação da vida útil da couve-manteiga em hidroconservador de aspersão. Horticultura brasileira, Brasília, DF, v. 26, n. 2, p. S4154-S4159, 2008. Edição dos Anais do 48 Congresso Brasileiro de Olericultura, Maringá, PR, 2008. suplemento CD -ROM. Disponível em: . Acesso em: 11 dez. 2008. Biblioteca(s): Embrapa Instrumentação. |
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9. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | PAIVA, A. S. de; ALBINO, A. L. S.; PESSOA, J. D. C.; REIS, A. R. dos. Manufatura e padronização de sensores termoelásticos para medidas de turgor celular. In: CONGRESSO BRASILEIRO DE FISIOLOGIA VEGETAL - CBFV, 12., 2009, Fortaleza, CE. Desafios para produção de alimentos e bioenergia: livro de resumos. Fortaleza, CE: Embrapa Agroindústria Tropical, 2009. p. 365. Biblioteca(s): Embrapa Instrumentação. |
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10. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | PAIVA, A. S. de; PESSOA, J. D. C.; ALBINO, A. L. S.; REIS, A. R. dos. Injúrias de compressão em frutos de açaizeiro armazenados a baixa temperatura e tratados com zeína e cloreto de cálcio. In: CONGRESSO BRASILEIRO DE FISIOLOGIA VEGETAL - CBFV, 12., 2009, Fortaleza, CE. Desafios para produção de alimentos e bioenergia: livro de resumos. Fortaleza, CE: Embrapa Agroindústria Tropical, 2009. p. 365. Biblioteca(s): Embrapa Instrumentação. |
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11. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | REIS, A. R. S.; LEÃO, N. V. M.; FREITAS, A. D. D. de; MEURER, J. de S. Aspectos tecnológicos e morfológicos de fruto, sementes e plântulas de amarelão (Apuleia leiocarpa (vogel) J.F. Macbr. - Fabaceae). In: SEMANA DE INTEGRAÇÃO DAS CIÊNCIAS AGRÁRIAS, 11., 2011, Altamira. Otimização dos sistemas de produção agrícola e florestal frente aos novos desafios do território da Transamazônica e Xingu. Belém, PA: Banco da Amazônia, 2011. p. 137-141. SICA. Biblioteca(s): Embrapa Amazônia Oriental. |
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12. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | TEIXEIRA, W. G.; MARTINS, G. C.; IWATA, S. A.; REIS, A. R.; MARQUES, J. J.; RODRIGUES, M. do R. L. Caracterização e identificação das principais classes de solos da Província Petrolífera do Rio Urucu, Amazonas. In: WORKSHOP TÉCNICO-CIENTÍFICO DA REDE CT-PETRO AMAZÔNIA, 1., 2004, Manaus. Rede CT-Petro Amazônia. Manaus: INPA: FDB: Petrobrás, 2004. 1 CD-ROM. Biblioteca(s): Embrapa Amazônia Ocidental. |
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13. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | TOMAZELA, A. L.; FAVARIN, J. L.; FANCELLI, A. L.; MARTIN, T. N.; DOURADO NETO, D.; REIS, A. R. dos. Doses de nitrogênio e fontes de Cu e Mn suplementar sobre a severidade da ferrugem e atributos morfológicos do milho. Revista Brasileira de Milho e Sorgo, Sete Lagoas, v. 5, n. 2, p. 192-201, 2006. Biblioteca(s): Embrapa Milho e Sorgo. |
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15. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | REIS, A. R. S.; FREITAS, A. D. D. de; LEÃO, N. V. M.; SANTOS FILHO, B. G. dos. Morphological aspects of fruits, seeds, and seedlings, and anatomy of seedlings of apuleia molaris spruce ex benth. Journal of Seed Science, v. 38, n. 2, p. 118-128, 2016. Biblioteca(s): Embrapa Amazônia Oriental. |
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16. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | MORAES, M. F.; REIS, A. R.; MORAES, L. A. C.; LAVRES-JUNIOR, J.; VIVIAN, R.; CABRAL, C. P.; MALAVOLTA, E. Effects of molybdenum, nickel, and nitrogen sources on the mineral nutrition and growth of rice plants. Communications in Soil Science and Plant Analysis, v. 40, p. 3238-3251, 2009. Biblioteca(s): Embrapa Amazônia Ocidental. |
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19. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | OLIVEIRA, C. F.; SILVA, M. G.; SILVA, G. N.; DUCATTI, K. R.; ROCHA, M. de M.; REIS, A. R.; RABÊLO, F. H. S.; LAVRES, J.; SANTOS, E. F. Agronomic biofortification increases concentrations of zinc and storage proteins in cowpea grains. Agriculture, v. 14, n. 6, 911, 2024. Biblioteca(s): Embrapa Meio-Norte. |
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20. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | BONINI NETO, A.; BONINI, C. S. B.; REIS, A. R.; PIAZENTIN, J. C.; COLETTA, L. F. S.; PUTTI, F. F.; HEINRICHS, R.; MOREIRA, A. Automatic Recovery Estimation of Degraded Soils by Artificial Neural Networks in Function of Chemical and Physical Attributes in Brazilian Savannah Soil. Communications in soil science and plant analysis, v. 50, n. 14, p. 1785-1798, 2019. Biblioteca(s): Embrapa Soja. |
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Registros recuperados : 43 | |
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![](/consulta/web/img/deny.png) | Acesso ao texto completo restrito à biblioteca da Embrapa Amazônia Ocidental. Para informações adicionais entre em contato com cpaa.biblioteca@embrapa.br. |
Registro Completo
Biblioteca(s): |
Embrapa Amapá; Embrapa Amazônia Ocidental; Embrapa Amazônia Oriental; Embrapa Rondônia; Embrapa Roraima. |
Data corrente: |
27/06/2019 |
Data da última atualização: |
11/11/2019 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 1 |
Autoria: |
SILVA JÚNIOR, E. C. da; MARTINS, G. C.; WADT, L. H. de O.; SILVA, K. E. da; LIMA, R. M. B. de; BATISTA, K. D.; GUEDES, M. C.; OLIVEIRA JUNIOR, R. C. de; REIS, A. R.; LOPES, G.; MENEZES, M. D. de; BROADLEY, M. R.; YOUNG, S. D.; GUILHERME, L. R. G. |
Afiliação: |
LUCIA HELENA DE OLIVEIRA WADT, CPAF-RO; KATIA EMIDIO DA SILVA, CPAA; ROBERVAL MONTEIRO BEZERRA DE LIMA, CPAA; KARINE DIAS BATISTA, CPAF-RR; MARCELINO CARNEIRO GUEDES, CPAF-AP; RAIMUNDO COSME DE OLIVEIRA JUNIOR, CPATU. |
Título: |
Natural variation of arsenic fractions in soils of the Brazilian Amazon. |
Ano de publicação: |
2019 |
Fonte/Imprenta: |
Science of the Total Environment,v. 687, p. 1219-1231, 2019. |
Idioma: |
Inglês Português |
Conteúdo: |
Arsenic (As) in native soils of the Amazon rainforest is a concern due to its likely origin from the Andean rivers, which transport loads of sediments containing substantial amounts of trace elements coming from the cordilleras. Yet, unveiling soil As baseline concentrations in the Amazon basin is still a need because most studies in Brazil have been performed in areas with predominantly high concentrations and cannot express a real baseline value for the region. In this study, 414 soil samples (0?20, 20?40 and 40?60 cm layers) were collected from different sites throughout the Amazon basin - including native Amazon rainforest and minimally disturbed areas - and used to determine total and extractable (soluble + available) As concentrations along with relevant soil physicochemical properties. Descriptive statistics of the data was performed and Pearson correlation supported by a Principal Component Analysis (PCA) provided an improved understanding ofwhere and howAs concentrations are influenced by soil attributes. Total As concentration ranged from0.98 to 41.71 mgkg?1 with values usually increasing from the topsoil (0?20 cm) to the deepest layer (40?60 cm) in all sites studied. Considering the proportional contribution given by each fraction (soluble and available) on extractable As concentration, it is noticeable that KH2PO4-extractable As represents themost important fraction,with N70% of the As extracted on average in all the sites studied. Still, the extractable fractions (soluble+available) correspond to ~0.24% of the total As, on average. Total, available, and soluble As fractions were strongly and positively correlated with soil Al3+.
The PCA indicated that soil pH in combination with CEC might be the key factors controlling soil As concentrations and the occurrence of each arsenic fraction in the soil layers. MenosArsenic (As) in native soils of the Amazon rainforest is a concern due to its likely origin from the Andean rivers, which transport loads of sediments containing substantial amounts of trace elements coming from the cordilleras. Yet, unveiling soil As baseline concentrations in the Amazon basin is still a need because most studies in Brazil have been performed in areas with predominantly high concentrations and cannot express a real baseline value for the region. In this study, 414 soil samples (0?20, 20?40 and 40?60 cm layers) were collected from different sites throughout the Amazon basin - including native Amazon rainforest and minimally disturbed areas - and used to determine total and extractable (soluble + available) As concentrations along with relevant soil physicochemical properties. Descriptive statistics of the data was performed and Pearson correlation supported by a Principal Component Analysis (PCA) provided an improved understanding ofwhere and howAs concentrations are influenced by soil attributes. Total As concentration ranged from0.98 to 41.71 mgkg?1 with values usually increasing from the topsoil (0?20 cm) to the deepest layer (40?60 cm) in all sites studied. Considering the proportional contribution given by each fraction (soluble and available) on extractable As concentration, it is noticeable that KH2PO4-extractable As represents themost important fraction,with N70% of the As extracted on average in all the sites studied. Still, the extractable fraction... Mostrar Tudo |
Palavras-Chave: |
Carcinogenic. |
Thesagro: |
Arsênico. |
Thesaurus NAL: |
Amazonia; Arsenic. |
Categoria do assunto: |
-- K Ciência Florestal e Produtos de Origem Vegetal |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/198874/1/arsenio-ediu-2019.pdf
|
Marc: |
LEADER 02760naa a2200325 a 4500 001 2110118 005 2019-11-11 008 2019 bl uuuu u00u1 u #d 100 1 $aSILVA JÚNIOR, E. C. da 245 $aNatural variation of arsenic fractions in soils of the Brazilian Amazon.$h[electronic resource] 260 $c2019 520 $aArsenic (As) in native soils of the Amazon rainforest is a concern due to its likely origin from the Andean rivers, which transport loads of sediments containing substantial amounts of trace elements coming from the cordilleras. Yet, unveiling soil As baseline concentrations in the Amazon basin is still a need because most studies in Brazil have been performed in areas with predominantly high concentrations and cannot express a real baseline value for the region. In this study, 414 soil samples (0?20, 20?40 and 40?60 cm layers) were collected from different sites throughout the Amazon basin - including native Amazon rainforest and minimally disturbed areas - and used to determine total and extractable (soluble + available) As concentrations along with relevant soil physicochemical properties. Descriptive statistics of the data was performed and Pearson correlation supported by a Principal Component Analysis (PCA) provided an improved understanding ofwhere and howAs concentrations are influenced by soil attributes. Total As concentration ranged from0.98 to 41.71 mgkg?1 with values usually increasing from the topsoil (0?20 cm) to the deepest layer (40?60 cm) in all sites studied. Considering the proportional contribution given by each fraction (soluble and available) on extractable As concentration, it is noticeable that KH2PO4-extractable As represents themost important fraction,with N70% of the As extracted on average in all the sites studied. Still, the extractable fractions (soluble+available) correspond to ~0.24% of the total As, on average. Total, available, and soluble As fractions were strongly and positively correlated with soil Al3+. The PCA indicated that soil pH in combination with CEC might be the key factors controlling soil As concentrations and the occurrence of each arsenic fraction in the soil layers. 650 $aAmazonia 650 $aArsenic 650 $aArsênico 653 $aCarcinogenic 700 1 $aMARTINS, G. C. 700 1 $aWADT, L. H. de O. 700 1 $aSILVA, K. E. da 700 1 $aLIMA, R. M. B. de 700 1 $aBATISTA, K. D. 700 1 $aGUEDES, M. C. 700 1 $aOLIVEIRA JUNIOR, R. C. de 700 1 $aREIS, A. R. 700 1 $aLOPES, G. 700 1 $aMENEZES, M. D. de 700 1 $aBROADLEY, M. R. 700 1 $aYOUNG, S. D. 700 1 $aGUILHERME, L. R. G. 773 $tScience of the Total Environment,v. 687, p. 1219-1231, 2019.
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