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Registro Completo |
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Biblioteca(s): |
Embrapa Semiárido. |
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Data corrente: |
20/03/2018 |
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Data da última atualização: |
24/01/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
SIGNOR, D.; DEON, M. D.; CAMARGO, P. B. de; CERRI, C. E. P. |
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Afiliação: |
DIANA SIGNOR DEON, CPATSA; MAGNUS DALLIGNA DEON, CPATSA; PLÍNIO BARBOSA DE CAMARGO, USP/CENA; CARLOS EDUARDO PELLEGRINO CERRI, University of São Paulo/ESALQ. |
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Título: |
Quantity and quality of soil organic matter as a sustainability index different land uses in eastern Amazon. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Scientia Agrícola, Piracicaba, v. 75, n. 3, p. 225-232, may/jun. 2018. |
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ISSN: |
1678-992X |
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DOI: |
10.1590/1678-992X-2016-0089 |
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Idioma: |
Inglês |
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Conteúdo: |
Soil organic matter (SOM), which influences chemical, physical and biological soil attributes, is the main form of C found in the soil which can also be used as a soil sustainability index. The aim of this study was to use the quantity and quality of SOM as an indicator to determine the sustainability of different land uses (native vegetation, secondary vegetation, fruit orchards, horticultural areas, degraded pasture, improved pasture, and fields with annual crops) in the eastern Amazon. Improved pasture had higher soil C stock than the other land uses and was similar to the native vegetation, and also presented the highest quantity of C in a stable form in the soil (fraction < 53 ìm). According to the C management index, improved pasture is the most similar in use to native vegetation. Changes in land use reduced the soil microbial C content, although the more conservationist systems (fruit orchards, secondary vegetation, and improved pasture) had contents similar to those of the native vegetation. The highest soil microbial quotients were found in fruit orchards and horticultural areas. Well-managed pastures were effective in accumulating C as stable forms in the soil, which demonstrates the sustainability of this land use in the region studied. |
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Palavras-Chave: |
Biomassa microbiana; Carbon management index; Carbon stocks; Changes in land use; Estoque de carbono; Fracionamento físico; Indice de gerenciamento de carbono; Mudanças no uso da terra; Physical fractionation; Sustentabilidade. |
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Thesagro: |
Matéria Orgânica; Pastagem nativa; Solo; Uso da Terra. |
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Thesaurus Nal: |
Microbial biomass. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/174161/1/Diana-2018-2.pdf
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Marc: |
LEADER 02394naa a2200361 a 4500
001 2089385
005 2019-01-24
008 2018 bl uuuu u00u1 u #d
022 $a1678-992X
024 7 $a10.1590/1678-992X-2016-0089$2DOI
100 1 $aSIGNOR, D.
245 $aQuantity and quality of soil organic matter as a sustainability index different land uses in eastern Amazon.$h[electronic resource]
260 $c2018
520 $aSoil organic matter (SOM), which influences chemical, physical and biological soil attributes, is the main form of C found in the soil which can also be used as a soil sustainability index. The aim of this study was to use the quantity and quality of SOM as an indicator to determine the sustainability of different land uses (native vegetation, secondary vegetation, fruit orchards, horticultural areas, degraded pasture, improved pasture, and fields with annual crops) in the eastern Amazon. Improved pasture had higher soil C stock than the other land uses and was similar to the native vegetation, and also presented the highest quantity of C in a stable form in the soil (fraction < 53 ìm). According to the C management index, improved pasture is the most similar in use to native vegetation. Changes in land use reduced the soil microbial C content, although the more conservationist systems (fruit orchards, secondary vegetation, and improved pasture) had contents similar to those of the native vegetation. The highest soil microbial quotients were found in fruit orchards and horticultural areas. Well-managed pastures were effective in accumulating C as stable forms in the soil, which demonstrates the sustainability of this land use in the region studied.
650 $aMicrobial biomass
650 $aMatéria Orgânica
650 $aPastagem nativa
650 $aSolo
650 $aUso da Terra
653 $aBiomassa microbiana
653 $aCarbon management index
653 $aCarbon stocks
653 $aChanges in land use
653 $aEstoque de carbono
653 $aFracionamento físico
653 $aIndice de gerenciamento de carbono
653 $aMudanças no uso da terra
653 $aPhysical fractionation
653 $aSustentabilidade
700 1 $aDEON, M. D.
700 1 $aCAMARGO, P. B. de
700 1 $aCERRI, C. E. P.
773 $tScientia Agrícola, Piracicaba$gv. 75, n. 3, p. 225-232, may/jun. 2018.
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Registro original: |
Embrapa Semiárido (CPATSA) |
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