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Registro Completo |
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Biblioteca(s): |
Embrapa Agricultura Digital. |
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Data corrente: |
01/02/2018 |
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Data da última atualização: |
01/02/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
CARVALHO, J. C. B. de; ESPINDOLA, C. R.; ALVES, M. C.; GREGO, C. R.; VIEIRA, S. R. |
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Afiliação: |
JOSEANE CARINA BORGES DE CARVALHO, Secretaria da Educação do Estado de São Paulo; CARLOS ROBERTO ESPINDOLA, IG/Unicamp; MARLENE CRISTINA ALVES, Unesp; CELIA REGINA GREGO, CNPTIA; SIDNEY ROSA VIEIRA. |
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Título: |
Spatial analysis of soil physical attributes from a degraded area under different types of management. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
African Journal of Environmental Science and Technology, v. 11, n. 9, p. 486-498, Sept. 2017. |
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DOI: |
10.5897/AJEST2016.2256 |
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Idioma: |
Inglês |
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Conteúdo: |
The objective of this work was to analyze the spatial variability of soil aggregates, porosity and density under five different land-uses and management conditions (degraded substrate - SD; degraded substrate with sewage sludge and Eucalyptus crop - SDLE; soil under pasture SP; capoeira under regeneration - SR; and soil under cerrado - SC). Total porosity (m3.m-3) and density (Mg m-3) of the soil; the mean weight diameter (MWD, mm) of the aggregates; and the percentage of aggregates resistant to rainfall were evaluated. The date of soil was analyzed with descriptive statistics for initial exploration and geostatistics, to analyze the spatial variability. There was spatial dependency and the parameter adjust range varied from 8 to 12 m under the treatments SD and SR for the aggregates and SR for macroporosity, total porosity and soil density. There was spatial dependency also under SP, for the aggregates, microporosity, and total porosity; under SC, for the aggregates; and under SDLE, for microporosity. Soil data with spatial dependence in the field were characterized both by high and low values in the same area. Therefore it is not adequate to consider these areas as homogeneous for future experiments and agricultural activities. |
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Palavras-Chave: |
Análise espacial; Geoestatística; Spatial variability. |
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Thesaurus Nal: |
Geostatistics; Soil aggregates. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/172002/1/AP-Spatial-analysis-Grego-etal.pdf
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Marc: |
LEADER 02028naa a2200241 a 4500
001 2086890
005 2018-02-01
008 2017 bl uuuu u00u1 u #d
024 7 $a10.5897/AJEST2016.2256$2DOI
100 1 $aCARVALHO, J. C. B. de
245 $aSpatial analysis of soil physical attributes from a degraded area under different types of management.$h[electronic resource]
260 $c2017
520 $aThe objective of this work was to analyze the spatial variability of soil aggregates, porosity and density under five different land-uses and management conditions (degraded substrate - SD; degraded substrate with sewage sludge and Eucalyptus crop - SDLE; soil under pasture SP; capoeira under regeneration - SR; and soil under cerrado - SC). Total porosity (m3.m-3) and density (Mg m-3) of the soil; the mean weight diameter (MWD, mm) of the aggregates; and the percentage of aggregates resistant to rainfall were evaluated. The date of soil was analyzed with descriptive statistics for initial exploration and geostatistics, to analyze the spatial variability. There was spatial dependency and the parameter adjust range varied from 8 to 12 m under the treatments SD and SR for the aggregates and SR for macroporosity, total porosity and soil density. There was spatial dependency also under SP, for the aggregates, microporosity, and total porosity; under SC, for the aggregates; and under SDLE, for microporosity. Soil data with spatial dependence in the field were characterized both by high and low values in the same area. Therefore it is not adequate to consider these areas as homogeneous for future experiments and agricultural activities.
650 $aGeostatistics
650 $aSoil aggregates
653 $aAnálise espacial
653 $aGeoestatística
653 $aSpatial variability
700 1 $aESPINDOLA, C. R.
700 1 $aALVES, M. C.
700 1 $aGREGO, C. R.
700 1 $aVIEIRA, S. R.
773 $tAfrican Journal of Environmental Science and Technology$gv. 11, n. 9, p. 486-498, Sept. 2017.
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Registro original: |
Embrapa Agricultura Digital (CNPTIA) |
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Biblioteca |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Meio Ambiente. Para informações adicionais entre em contato com cnpma.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Meio Ambiente. |
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Data corrente: |
28/02/2013 |
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Data da última atualização: |
28/02/2013 |
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Tipo da produção científica: |
Capítulo em Livro Técnico-Científico |
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Autoria: |
GOMES, M. A. F. |
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Afiliação: |
MARCO ANTONIO FERREIRA GOMES, CNPMA. |
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Título: |
The Guarani Aquifer. |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
In: GOMES, M. A. F. (Ed.). Agricultural use of the Guarani Aquifer recharge areas in Brazil: implications for groundwater and proposed agri-environmental schemes. Brasília, DF: Embrapa, 2012. pt. 1, p. 24-30. 1 e-book no formato epub. |
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Idioma: |
Inglês |
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Palavras-Chave: |
Aquífero Guarani. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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Marc: |
LEADER 00521naa a2200121 a 4500
001 1951743
005 2013-02-28
008 2012 bl uuuu u00u1 u #d
100 1 $aGOMES, M. A. F.
245 $aThe Guarani Aquifer.$h[electronic resource]
260 $c2012
653 $aAquífero Guarani
773 $tIn: GOMES, M. A. F. (Ed.). Agricultural use of the Guarani Aquifer recharge areas in Brazil: implications for groundwater and proposed agri-environmental schemes. Brasília, DF: Embrapa, 2012. pt. 1, p. 24-30. 1 e-book no formato epub.
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Embrapa Meio Ambiente (CNPMA) |
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