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 | Acesso ao texto completo restrito à biblioteca da Embrapa Solos. Para informações adicionais entre em contato com cnps.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Agrobiologia; Embrapa Solos. |
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Data corrente: |
14/02/2022 |
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Data da última atualização: |
27/06/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
CABREIRA, W. V.; PEREIRA, M. G.; BALIEIRO, F. de C.; CHAER, G. M.; SANTOS, R. N. dos; SANTOS, F. M. dos; ROCHA, P. V. da. |
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Afiliação: |
WILBERT VALKINIR CABREIRA, UFRRJ; MARCOS GERVASIO PEREIRA, UFRRJ; FABIANO DE CARVALHO BALIEIRO, CNPS; GUILHERME MONTANDON CHAER, CNPAB; RAISSA NASCIMENTO DOS SANTOS, UFRRJ; FELIPE MARTINI DOS SANTOS, UFRRJ; PEDRO VAZ DA ROCHA, UFRRJ. |
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Título: |
Soil organic phosphorus (P) increases in mixed plantations of Acacia mangium and Eucalyptus urograndis in Planosol from Brazil. |
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Ano de publicação: |
2022 |
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Fonte/Imprenta: |
Trees, v. 36, p. 1017-1027, 2022. |
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DOI: |
https://doi.org/10.1007/s00468-022-02268-2 |
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Idioma: |
Inglês |
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Conteúdo: |
Mixed plantations of Eucalyptus and nitrogen (N)-fixing tree legumes (NFT) benefit the cycling of nutrients in Eucalyptus stands due to the increased absorption of phosphorus (P) and greater input of organic matter. The objective was to quantify the different fractions of P in terms of lability and its correlation with the fractions of organic matter, to clarify the effect of mixed plantations on the modifications of different P and carbon (C) fractions in Planossolo Háplico (Planosol). Monospecific stands of Eucalyptus urograndis (0A:100E) and Acacia mangium (100A:0E) were established in addition to mixed plantations: one presenting 50% planting density of each species (50A:50E) and the other with double planting density (100A:100E). The soil samples were collected at depths of 0-5 cm and 5-10 cm and the total organic carbon, particle size fractions, labile carbon, total phosphorus, labile organic and inorganic phosphorus, moderately labile and moderately resistant and residual phosphorus were determined. It was observed in the mixed plantations 50A:50E, the highest values of total phosphorus and concentration of organic P (56.84%), highlighting the fractions of greater lability in addition to presenting a lower C:Po ratio (187.28) and higher labile carbon concentration at both depths. Mixed plantations 50A:50E promote an increase in the organic P compartment in the soil, mostly in fractions of greater lability. Monospecific stands of A. mangium and E. urograndis seem to have P cycling limited by the supply of P and N, respectively. Labile carbon, presents itself as an important indicator of soil quality. MenosMixed plantations of Eucalyptus and nitrogen (N)-fixing tree legumes (NFT) benefit the cycling of nutrients in Eucalyptus stands due to the increased absorption of phosphorus (P) and greater input of organic matter. The objective was to quantify the different fractions of P in terms of lability and its correlation with the fractions of organic matter, to clarify the effect of mixed plantations on the modifications of different P and carbon (C) fractions in Planossolo Háplico (Planosol). Monospecific stands of Eucalyptus urograndis (0A:100E) and Acacia mangium (100A:0E) were established in addition to mixed plantations: one presenting 50% planting density of each species (50A:50E) and the other with double planting density (100A:100E). The soil samples were collected at depths of 0-5 cm and 5-10 cm and the total organic carbon, particle size fractions, labile carbon, total phosphorus, labile organic and inorganic phosphorus, moderately labile and moderately resistant and residual phosphorus were determined. It was observed in the mixed plantations 50A:50E, the highest values of total phosphorus and concentration of organic P (56.84%), highlighting the fractions of greater lability in addition to presenting a lower C:Po ratio (187.28) and higher labile carbon concentration at both depths. Mixed plantations 50A:50E promote an increase in the organic P compartment in the soil, mostly in fractions of greater lability. Monospecific stands of A. mangium and E. urograndis seem to ha... Mostrar Tudo |
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Palavras-Chave: |
Forest nutrition; Intercropped plantations; Nitrogen-fixing tree legumes; Phosphorus fractionation. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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Marc: |
LEADER 02462naa a2200253 a 4500
001 2140007
005 2022-06-27
008 2022 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1007/s00468-022-02268-2$2DOI
100 1 $aCABREIRA, W. V.
245 $aSoil organic phosphorus (P) increases in mixed plantations of Acacia mangium and Eucalyptus urograndis in Planosol from Brazil.$h[electronic resource]
260 $c2022
520 $aMixed plantations of Eucalyptus and nitrogen (N)-fixing tree legumes (NFT) benefit the cycling of nutrients in Eucalyptus stands due to the increased absorption of phosphorus (P) and greater input of organic matter. The objective was to quantify the different fractions of P in terms of lability and its correlation with the fractions of organic matter, to clarify the effect of mixed plantations on the modifications of different P and carbon (C) fractions in Planossolo Háplico (Planosol). Monospecific stands of Eucalyptus urograndis (0A:100E) and Acacia mangium (100A:0E) were established in addition to mixed plantations: one presenting 50% planting density of each species (50A:50E) and the other with double planting density (100A:100E). The soil samples were collected at depths of 0-5 cm and 5-10 cm and the total organic carbon, particle size fractions, labile carbon, total phosphorus, labile organic and inorganic phosphorus, moderately labile and moderately resistant and residual phosphorus were determined. It was observed in the mixed plantations 50A:50E, the highest values of total phosphorus and concentration of organic P (56.84%), highlighting the fractions of greater lability in addition to presenting a lower C:Po ratio (187.28) and higher labile carbon concentration at both depths. Mixed plantations 50A:50E promote an increase in the organic P compartment in the soil, mostly in fractions of greater lability. Monospecific stands of A. mangium and E. urograndis seem to have P cycling limited by the supply of P and N, respectively. Labile carbon, presents itself as an important indicator of soil quality.
653 $aForest nutrition
653 $aIntercropped plantations
653 $aNitrogen-fixing tree legumes
653 $aPhosphorus fractionation
700 1 $aPEREIRA, M. G.
700 1 $aBALIEIRO, F. de C.
700 1 $aCHAER, G. M.
700 1 $aSANTOS, R. N. dos
700 1 $aSANTOS, F. M. dos
700 1 $aROCHA, P. V. da
773 $tTrees$gv. 36, p. 1017-1027, 2022.
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| 8. |  | MARCHI, G.; MARCHI, E. C. S. Efeito alelopático de um híbrido de sorgo com capim-sudão em sementes de plantas daninhas. In: CONGRESSO BRASILEIRO DA CIÊNCIA DAS PLANTAS DANINHAS, 26.; CONGRESO DE LA ASOCIACIÓN LATINOAMERICANA DE MALEZAS, 18., 2008, Ouro Preto. A ciência das plantas daninhas na sustentabilidade dos sistemas agrícolas: palestras apresentadas. Sete Lagoas: SBCPD: Embrapa Milho e Sorgo, 2008. 1 CD-ROM. 7 p. Título em inglês: Sorghum-sudangrass hybrids allelopathic effects in weed seeds.| Tipo: Artigo em Anais de Congresso / Nota Técnica |
| Biblioteca(s): Embrapa Cerrados. |
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| 10. | | MARCHI, E. C. S.; MARCHI, G. Influência de extratos aquosos de um híbrido de sorgo com capimsudão no crescimento de plântulas de beldroega, amarantos, tomate e alface. In: CONGRESSO BRASILEIRO DA CIÊNCIA DAS PLANTAS DANINHAS, 26.; CONGRESO DE LA ASOCIACIÓN LATINOAMERICANA DE MALEZAS, 18., 2008, Ouro Preto. A ciência das plantas daninhas na sustentabilidade dos sistemas agrícolas: palestras apresentadas. Sete Lagoas: SBCPD: Embrapa Milho e Sorgo, 2008. 1 CD-ROM. 6 p. Título em inglês: Influence of aqueous extracts of a sorghum-sudangrass hybrid on seedling growth of purslane, pigweed, tomatoes, and lettuce.| Tipo: Artigo em Anais de Congresso / Nota Técnica |
| Biblioteca(s): Embrapa Cerrados. |
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| 18. | | MARCHI, G.; MARCHI, E. C. S.; WANG, G.; MCGIFFEN, M. Effect of age of a sorghum-sudangrass hybrid on its allelopathic action. Planta Daninha, Viçosa, MG, v. 26, n. 4, p. 707-716, 2008.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: Nacional - A |
| Biblioteca(s): Embrapa Cerrados. |
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| Registros recuperados : 344 | |
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