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 | Acesso ao texto completo restrito à biblioteca da Embrapa Milho e Sorgo. Para informações adicionais entre em contato com cnpms.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
20/12/2004 |
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Data da última atualização: |
30/05/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
OLIVEIRA, C.; SCOTTI, M.; PURCINO, H.; VASCONCELLOS, C. A.; MARRIEL, I. E.; SA, N. M. H. |
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Afiliação: |
EMBRAPA-CNPMS; IVANILDO EVODIO MARRIEL, CNPMS. |
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Título: |
Decomposition of Arachis pintoi litter intercropped with forage grass in "Cerrado" soil in the dry and wet seasons. |
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Ano de publicação: |
2002 |
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Fonte/Imprenta: |
Biology and Fertility of Soils, Berlin, v. 36, n. 6, p. 405-410, 2002. |
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Idioma: |
Inglês |
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Conteúdo: |
In tropical pastures which are generally under utilized, nutrients are returned to the soil mainly via litter decomposition. However little is known about the decomposition of tropical forage species in pastures. In this work the dynamics of Arachis pintoi litter decomposition was studied, in the "Cerrado" soil in Sete Lagoas region, state of Minas Gerais, Brazil. Decomposition of this species was analyzed as a pure stand or intercropped with the grass Cynodon nlenfluensis in dry and wet seasons. Litter bags containing the legume, grass or a mixture of both species were incubated to estimate the decomposition rate and microorganism colonization. Decomposition constants (K) and litter half-lives (T1/2) were estimated by an exponential model whereas number of microorganisms in specific media was determined by plate dilution. Bacterial population increased when Arachis was added to Cynodon. The K of the grass was increased when A. pintoi litter was added, especially in monoculture grass plots. When A. pintoi was intercropped with the grass in the dry season 50% of N and P were released in approximately 130 days, and in the wet season, the equivalent release occurred in 20 days. The correlation between P released by litter decomposition and mass loss was always high and significant in both seasons in mixed and A. pintoi litters. This combination of litters was the most favorable for colonization by P-solubilizing microorganisms. In support of previous work, these results suggest that the use of A. pintoi contributes to the recovery of degraded pastures. MenosIn tropical pastures which are generally under utilized, nutrients are returned to the soil mainly via litter decomposition. However little is known about the decomposition of tropical forage species in pastures. In this work the dynamics of Arachis pintoi litter decomposition was studied, in the "Cerrado" soil in Sete Lagoas region, state of Minas Gerais, Brazil. Decomposition of this species was analyzed as a pure stand or intercropped with the grass Cynodon nlenfluensis in dry and wet seasons. Litter bags containing the legume, grass or a mixture of both species were incubated to estimate the decomposition rate and microorganism colonization. Decomposition constants (K) and litter half-lives (T1/2) were estimated by an exponential model whereas number of microorganisms in specific media was determined by plate dilution. Bacterial population increased when Arachis was added to Cynodon. The K of the grass was increased when A. pintoi litter was added, especially in monoculture grass plots. When A. pintoi was intercropped with the grass in the dry season 50% of N and P were released in approximately 130 days, and in the wet season, the equivalent release occurred in 20 days. The correlation between P released by litter decomposition and mass loss was always high and significant in both seasons in mixed and A. pintoi litters. This combination of litters was the most favorable for colonization by P-solubilizing microorganisms. In support of previous work, these results suggest... Mostrar Tudo |
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Palavras-Chave: |
Cerrado soil; Grass and legume forage litter decomposition. |
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Thesaurus Nal: |
Arachis pintoi; nutrients. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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Marc: |
LEADER 02304naa a2200229 a 4500
001 1488485
005 2018-05-30
008 2002 bl uuuu u00u1 u #d
100 1 $aOLIVEIRA, C.
245 $aDecomposition of Arachis pintoi litter intercropped with forage grass in "Cerrado" soil in the dry and wet seasons.$h[electronic resource]
260 $c2002
520 $aIn tropical pastures which are generally under utilized, nutrients are returned to the soil mainly via litter decomposition. However little is known about the decomposition of tropical forage species in pastures. In this work the dynamics of Arachis pintoi litter decomposition was studied, in the "Cerrado" soil in Sete Lagoas region, state of Minas Gerais, Brazil. Decomposition of this species was analyzed as a pure stand or intercropped with the grass Cynodon nlenfluensis in dry and wet seasons. Litter bags containing the legume, grass or a mixture of both species were incubated to estimate the decomposition rate and microorganism colonization. Decomposition constants (K) and litter half-lives (T1/2) were estimated by an exponential model whereas number of microorganisms in specific media was determined by plate dilution. Bacterial population increased when Arachis was added to Cynodon. The K of the grass was increased when A. pintoi litter was added, especially in monoculture grass plots. When A. pintoi was intercropped with the grass in the dry season 50% of N and P were released in approximately 130 days, and in the wet season, the equivalent release occurred in 20 days. The correlation between P released by litter decomposition and mass loss was always high and significant in both seasons in mixed and A. pintoi litters. This combination of litters was the most favorable for colonization by P-solubilizing microorganisms. In support of previous work, these results suggest that the use of A. pintoi contributes to the recovery of degraded pastures.
650 $aArachis pintoi
650 $anutrients
653 $aCerrado soil
653 $aGrass and legume forage litter decomposition
700 1 $aSCOTTI, M.
700 1 $aPURCINO, H.
700 1 $aVASCONCELLOS, C. A.
700 1 $aMARRIEL, I. E.
700 1 $aSA, N. M. H.
773 $tBiology and Fertility of Soils, Berlin$gv. 36, n. 6, p. 405-410, 2002.
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Embrapa Milho e Sorgo (CNPMS) |
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| Registros recuperados : 26 | |
| 1. |  | BELCHIOR, E. B.; SOUZA, J. D. F. de; ALMEIDA, H. C. G. de; MORAIS, O. R. de; SHIOTSUKI, L. A importância do perfil socioeconômico de criadores de ovinos de corte na elaboração de políticas públicas. In: CONGRESSO DA SOCIEDADE BRASILEIRA DE ECONOMIA, ADMINISTRAÇÃO E SOCIOLOGIA RURAL, 52., 2014, Goiânia. Heterogeneidade e suas implicações no rural brasileiro: anais. Goiânia: Sober, 2014.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Pesca e Aquicultura. |
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| 2. | | BELCHIOR, E. B.; SOUZA, J. D. F. de; ALMEIDA, H. C. G. de; MORAIS, O. R. de; SHIOTSUKI, L. A importância do perfil socioeconômico de criadores de ovinos de corte na elaboração de políticas públicas. In: CONGRESSO DA SOCIEDADE BRASILEIRA DE ECONOMIA, ADMINISTRAÇÃO E SOCIOLOGIA RURAL, 52., 2014, Goiânia. Heterogeneidade e suas implicações no rural brasileiro: anais. Goiânia: Sober, 2014. 17 f.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Caprinos e Ovinos. |
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| 4. | | SOUZA, O. R. G. de; SOUZA, J. D. F. de; CAMPEÃO, P.; JACINTO, L. C. Agricultura familiar no MS: entre resultados expressivos e decisões politicas deficientes. In: CONGRESSO DA SOCIEDADE BRASILEIRA DE ECONOMIA, ADMINISTRAÇÃO E SOCIOLOGIA RURAL, 50., 2012, Vitória. Agricultura e desenvolvimento rural com sustentabilidade. Vitória: Sociedade Brasileira de Economia, Administração e Sociologia RuraL, 2012. 11 f. 1 CD-ROM.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Caprinos e Ovinos. |
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| 8. | | ABREU, U. G. P. de; LIMA, L. D. de; ALBUQUERQUE, F. H. M. A. R. de; SOUZA, J. D. F. de; GOMES, E. G. Avaliação da eficiência de produtores do semiárido, por meio de análise envoltória de dados (DEA) com restrições aos pesos. In: SIMPÓSIO BRASILEIRO DE AGROPECUÁRIA SUSTENTÁVEL., 9.; CONGRESSO INTERNACIONAL DE AGROPECUÁRIA SUSTENTÁVEL, 6. Viçosa. Ciência, tecnologia e inovação para o desenvolvimento agropecuário sustentável: anais...Viçosa: UFV, 2018. Não paginado. SIMBRAS.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Caprinos e Ovinos; Embrapa Pantanal. |
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| 11. | | MARTINS, E. C.; MAGALHAES, K. A.; SOUZA, J. D. F. de; GUIMARAES, V. P.; BARBOSA, C. M. P.; HOLANDA FILHO, Z. F. Cenários mundial e nacional da caprinocultura e da ovinocultura. Boletim Ativos de Ovinos e Caprinos, Brasília, DF, v. 3, n. 2, p. 3-6, jul. 2016.| Tipo: Artigo de Divulgação na Mídia |
| Biblioteca(s): Embrapa Caprinos e Ovinos. |
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| 13. | | ABREU, U. G. P. de; LIMA, L. D. de; ALBUQUERQUE, F. H. M. A. R. de; SOUZA, J. D. F. de. Efficiency modeling, an important factor in the development of sheep and goat production in a semiarid region. Brazilian Journal of Development, Curitiba, v. 8, n. 4, p. 28680-28692, apr. 2022.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 5 |
| Biblioteca(s): Embrapa Caprinos e Ovinos; Embrapa Pantanal. |
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| 14. | | SOUZA, J. D. F. de; GUIMARAES, V. P.; MAGALHAES, K. A.; BARBOSA, C. M. P.; MARTINS, E. C.; HOLANDA FILHO, Z. F.; MENDES, M. E. P. Embrapa Caprinos e Ovinos. Boletim Ativos de Ovinos e Caprinos, Brasília, DF, v. 3, n. 2, p. 1-2, jul. 2016.| Biblioteca(s): Embrapa Caprinos e Ovinos. |
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| 17. | | VINHOLIS, M. de M. B.; SOUZA, J. D. F. de; SOUZA FILHO, H. M. de. Integração na cadeia de suprimentos da carne bovina: um caso brasileiro. In: ENCONTRO NACIONAL DE ENGENHARIA DE PRODUÇÃO, 30., 2010, São Carlos, SP. Maturidade e desafios da engenharia de produção: competividade das empresas, condições de trabalho, meio ambiente - anais. São Carlos: ABEPRO, 2010.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| Registros recuperados : 26 | |
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