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81. | | COELHO, M. R. R.; VOS, M.; CARNEIRO, N. P.; MARRIEL, I. E.; PAIVA, E.; SELDIN, L. Diversidade molecular de bactérias diazotróficas presentes na rizosfera de sorgo plantado em condições contrastantes de adubo nitrogenado. In: CONGRESSO BRASILEIRO DE MICROBIOLOGIA, 24.; SIMPÓSIO BRASILEIRO DE MICROBACTÉRIAS, 12.; SIMPÓSIO DE COLEÇÕES DE CULTURA, 2.; ENCONTRO DE ENSINO EM MICROBIOLOGIA, 4., 2007, Brasília, DF. Anais. [São Paulo]: SBM, 2007. 1 CD-ROM. Biblioteca(s): Embrapa Milho e Sorgo. |
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82. | | MARRIEL, I. E.; BORGES, A. L.; ADELÁRIO, F. M. S.; OLIVEIRA, A. C. de. Diferenciação metabólica de isolados de bactérias Diazotróficas através do sistema BIOLOG. In: CONGRESSO NACIONAL DE MILHO E SORGO, 27.; SIMPOSIO BRASILEIRO SOBRE A LAGARTA-DO-CARTUCHO, SPODOPTERA FRUGIPERDA, 3.; WORKSHOP SOBRE MANEJO E ETIOLOGIA DA MANCHA BRANCA DO MILHO, 2008, Londrina. Agroenergia, produção de alimentos e mudanças climáticas: desafios para milho e sorgo: trabalhos e palestras. [Londrina]: IAPAR; [Sete Lagoas]: Embrapa Milho e Sorgo, 2008. 1 CD-ROM. Biblioteca(s): Embrapa Milho e Sorgo. |
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85. | | MOTA, F. F. da; NOBREGA, F. F.; MARRIEL, I. E.; PAIVA, E.; SELDIN, L. Genetic diversity of Paenibacillus polymyxa populations isolated from the rhizosphere of four cultivars of maize (Zea mays) planted in cerrado soil. Applied Soil Ecology, Amsterdam, v. 20, n. 2, p. 119-132, 2002. Biblioteca(s): Embrapa Milho e Sorgo. |
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86. | | MOTA, F. F.; GOMES, E. A.; MARRIEL, I. E.; PAIVA, E.; SELDIN, L. Efeito da calagem do solo de cerrado na estrutura de comunidades bacterianas e fungicas presentes na rizosfera de linhagens de milho (Zea mays L.) sensiveis e tolerantes ao alumínio. In: CONGRESSO BRASILEIRO DE MICROBIOLOGIA, 24.; SIMPÓSIO BRASILEIRO DE MICROBACTÉRIAS, 12.; SIMPÓSIO DE COLEÇÕES DE CULTURA, 2.; ENCONTRO DE ENSINO EM MICROBIOLOGIA, 4., 2007, Brasília, DF. Anais. [São Paulo]: SBM, 2007. 1 CD-ROM. Biblioteca(s): Embrapa Milho e Sorgo. |
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90. | | MARRIEL, I. E.; COSTA, W. A.; OLIVEIRA, A. C.; PAIVA, E.; SELDIN, L. Influência de Paenibacillus azotofixans sobre a morfologia e crescimento do sistema radicular do milho (Zea mays L.), em substrato hidropônico. In: CONGRESSO NACIONAL DE MILHO E SORGO, 24., 2002, Florianópolis, SC. Meio ambiente e a nova agenda para o agronegócio de milho e sorgo: [resumos expandidos]. Sete Lagoas: ABMS: Embrapa Milho e Sorgo; Florianópolis: Epagri, 2002. 1 CD-ROM. Biblioteca(s): Embrapa Milho e Sorgo. |
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94. | | SILVA, U. C.; GOMES, E. A.; LANA, U. G. de P.; MARRIEL, I. E. Prospecção de comunidades bacterianas do solo para o aproveitamento agrícola de fosfatos de rocha. In: REUNIÃO BRASILEIRA DE FERTILIDADE DO SOLO E NUTRIÇÃO DE PLANTAS, 29.; REUNIÃO BRASILEIRA SOBRE MICORRIZAS, 13.; SIMPÓSIO BRASILEIRO DE MICROBIOLOGIA DO SOLO, 11.; REUNIÃO BRASILEIRA DE BIOLOGIA DO SOLO, 8., 2010, Guarapari. Fontes de nutrientes e produção agrícola: modelando o futuro: anais. Viçosa, MG: Sociedade Brasileira de Ciência do Solo, 2010. 1 CD-ROM. FertBio 2010. Biblioteca(s): Embrapa Milho e Sorgo. |
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100. | | SILVA, U. C.; GOMES, E. A.; LANA, U. G. de P.; MARRIEL, I. E. Potencial de solubilização de fósforo in vitro por isolados fúngicos do solo. In: REUNIÃO BRASILEIRA DE FERTILIDADE DO SOLO E NUTRIÇÃO DE PLANTAS, 29.; REUNIÃO BRASILEIRA SOBRE MICORRIZAS, 13.; SIMPÓSIO BRASILEIRO DE MICROBIOLOGIA DO SOLO, 11.; REUNIÃO BRASILEIRA DE BIOLOGIA DO SOLO, 8., 2010, Guarapari. Fontes de nutrientes e produção agrícola: modelando o futuro: anais. Viçosa, MG: Sociedade Brasileira de Ciência do Solo, 2010. 1 CD-ROM. FertBio 2010. Biblioteca(s): Embrapa Milho e Sorgo. |
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Registro Completo
Biblioteca(s): |
Embrapa Milho e Sorgo. |
Data corrente: |
20/12/2004 |
Data da última atualização: |
30/05/2018 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
OLIVEIRA, C.; SCOTTI, M.; PURCINO, H.; VASCONCELLOS, C. A.; MARRIEL, I. E.; SA, N. M. H. |
Afiliação: |
EMBRAPA-CNPMS; IVANILDO EVODIO MARRIEL, CNPMS. |
Título: |
Decomposition of Arachis pintoi litter intercropped with forage grass in "Cerrado" soil in the dry and wet seasons. |
Ano de publicação: |
2002 |
Fonte/Imprenta: |
Biology and Fertility of Soils, Berlin, v. 36, n. 6, p. 405-410, 2002. |
Idioma: |
Inglês |
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 |
Palavras-Chave: |
Cerrado soil; Grass and legume forage litter decomposition. |
Thesaurus NAL: |
Arachis pintoi; nutrients. |
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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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