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Registro Completo
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
30/11/2012 |
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Data da última atualização: |
25/07/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
NAKATANI, A. S.; NOGUEIRA, M. A.; MARTINES, A. M.; SANTOS, C. A. dos; BALDESIN, L. F.; MARSCHNER, P.; CARDOSO, E. J. B. N. |
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Afiliação: |
ANDRÉ S. NAKATANI, USP - ESALQ; MARCO ANTONIO NOGUEIRA, CNPSO; ALEXANDRE M. MARTINES, USP - ESALQ; CRISTIANE A. DOS SANTOS, USP - ESALQ; LUIS F. BALDESIN, USP - ESALQ; PETRA MARSCHNER, The University of Adelaide; ELKE J. B. N. CARDOSO, USP - ESALQ. |
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Título: |
Effects of tannery sludge application on physiological and fatty acid profiles of the soil microbial community. |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
Applied Soil Ecology, v. 61, p. 92-99, 2012. |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract The impact of tannery sludge application on soil microbial community and diversity is poorly understood. We studied the microbial community in an agricultural soil following two applications (2006 and 2007) of tannery sludge with annual application rates of 0.0, 2.3 and 22.6 Mg ha -1.The soil was sampled 12 and 271days after the second (2007) application. Community structure was assessed via a phospholipid fatty acid analysis, and the physiological pro?le of the soil microbial community via the Biolog method. Tannery sludge application changed soil chemical properties, increasing the soil pH and electrical conductivity as well as available P and mineral N concentrations. The higher sludge application rate changed the community structure and the physiological pro?le of the microbial community at both sampling dates.However,there is no clear link between community, structure and carbon substrate utilization.According to the Distance Based Linear Models Analysis, the fatty acids 16:0 and i17:0 together contributed 84% to the observed PLFA patterns,whereas the chemical properties available P,mineral and pH together contributed 54%. At 12 days, tannery sludge application increased the average well color development from 0.46 to 0.87 after, 48 h,and educed the time elapsed before reaching midpoint carbon substrate utilization (s) from 71 to 44 h, an effect still apparent nine months after application of the higher sludge application rate.The dominant signature fatty acids and kinetics)were correlated to the concentrations of available P, Ca, mineral N, pH and EC. MenosAbstract The impact of tannery sludge application on soil microbial community and diversity is poorly understood. We studied the microbial community in an agricultural soil following two applications (2006 and 2007) of tannery sludge with annual application rates of 0.0, 2.3 and 22.6 Mg ha -1.The soil was sampled 12 and 271days after the second (2007) application. Community structure was assessed via a phospholipid fatty acid analysis, and the physiological pro?le of the soil microbial community via the Biolog method. Tannery sludge application changed soil chemical properties, increasing the soil pH and electrical conductivity as well as available P and mineral N concentrations. The higher sludge application rate changed the community structure and the physiological pro?le of the microbial community at both sampling dates.However,there is no clear link between community, structure and carbon substrate utilization.According to the Distance Based Linear Models Analysis, the fatty acids 16:0 and i17:0 together contributed 84% to the observed PLFA patterns,whereas the chemical properties available P,mineral and pH together contributed 54%. At 12 days, tannery sludge application increased the average well color development from 0.46 to 0.87 after, 48 h,and educed the time elapsed before reaching midpoint carbon substrate utilization (s) from 71 to 44 h, an effect still apparent nine months after application of the higher sludge application rate.The dominant signature fatty acids... Mostrar Tudo |
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Thesagro: |
Nitrogênio. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02221naa a2200205 a 4500
001 1940861
005 2017-07-25
008 2012 bl uuuu u00u1 u #d
100 1 $aNAKATANI, A. S.
245 $aEffects of tannery sludge application on physiological and fatty acid profiles of the soil microbial community.$h[electronic resource]
260 $c2012
520 $aAbstract The impact of tannery sludge application on soil microbial community and diversity is poorly understood. We studied the microbial community in an agricultural soil following two applications (2006 and 2007) of tannery sludge with annual application rates of 0.0, 2.3 and 22.6 Mg ha -1.The soil was sampled 12 and 271days after the second (2007) application. Community structure was assessed via a phospholipid fatty acid analysis, and the physiological pro?le of the soil microbial community via the Biolog method. Tannery sludge application changed soil chemical properties, increasing the soil pH and electrical conductivity as well as available P and mineral N concentrations. The higher sludge application rate changed the community structure and the physiological pro?le of the microbial community at both sampling dates.However,there is no clear link between community, structure and carbon substrate utilization.According to the Distance Based Linear Models Analysis, the fatty acids 16:0 and i17:0 together contributed 84% to the observed PLFA patterns,whereas the chemical properties available P,mineral and pH together contributed 54%. At 12 days, tannery sludge application increased the average well color development from 0.46 to 0.87 after, 48 h,and educed the time elapsed before reaching midpoint carbon substrate utilization (s) from 71 to 44 h, an effect still apparent nine months after application of the higher sludge application rate.The dominant signature fatty acids and kinetics)were correlated to the concentrations of available P, Ca, mineral N, pH and EC.
650 $aNitrogênio
700 1 $aNOGUEIRA, M. A.
700 1 $aMARTINES, A. M.
700 1 $aSANTOS, C. A. dos
700 1 $aBALDESIN, L. F.
700 1 $aMARSCHNER, P.
700 1 $aCARDOSO, E. J. B. N.
773 $tApplied Soil Ecology$gv. 61, p. 92-99, 2012.
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