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Biblioteca(s): |
Embrapa Pesca e Aquicultura. |
Data corrente: |
14/03/2016 |
Data da última atualização: |
13/11/2017 |
Tipo da produção científica: |
Resumo em Anais de Congresso |
Autoria: |
KATO, H. C. de A.; EVANGELISTA, D. K. R. |
Afiliação: |
HELLEN CHRISTINA G DE ALMEIDA, CNPASA; DANIELE KLOPPEL ROSA, CNPASA. |
Título: |
Technological circuit as a tool for technological diffusion. |
Ano de publicação: |
2015 |
Fonte/Imprenta: |
In: FENACAM & LACQUA/SARA (WAS)'15.; LATIN AMERICAN & CARIBBEAN AQUACULTURE 15.; SOUTH AMERICAN REGIONAL AQUACULTURE 15.; INTERNATIONAL SHRIMP FARMING SYMPOSIUM, 12.; INTERNATIONAL ACQUACULTURE TRADE SHOW, 12.; INTERNATIONAL AQUACULTURE SYMPOSIUM, 9.; TILAPIA ECONOMIC FORUM, 3., 2015, Fortaleza. Abstracts... Fortaleza: ABCC: World Aquaculture Society, 2015. |
Páginas: |
p. 189. |
Idioma: |
Inglês |
Thesagro: |
Aquicultura; Peixe; Transferência de tecnologia. |
Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/141129/1/CNPASA-2015-kato2.pdf
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Marc: |
LEADER 00788nam a2200157 a 4500 001 2040840 005 2017-11-13 008 2015 bl uuuu u00u1 u #d 100 1 $aKATO, H. C. de A. 245 $aTechnological circuit as a tool for technological diffusion.$h[electronic resource] 260 $aIn: FENACAM & LACQUA/SARA (WAS)'15.; LATIN AMERICAN & CARIBBEAN AQUACULTURE 15.; SOUTH AMERICAN REGIONAL AQUACULTURE 15.; INTERNATIONAL SHRIMP FARMING SYMPOSIUM, 12.; INTERNATIONAL ACQUACULTURE TRADE SHOW, 12.; INTERNATIONAL AQUACULTURE SYMPOSIUM, 9.; TILAPIA ECONOMIC FORUM, 3., 2015, Fortaleza. Abstracts... Fortaleza: ABCC: World Aquaculture Society$c2015 300 $ap. 189. 650 $aAquicultura 650 $aPeixe 650 $aTransferência de tecnologia 700 1 $aEVANGELISTA, D. K. R.
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Embrapa Pesca e Aquicultura (CNPASA) |
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Registro Completo
Biblioteca(s): |
Embrapa Milho e Sorgo. |
Data corrente: |
29/11/2023 |
Data da última atualização: |
29/11/2023 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 3 |
Autoria: |
NGOLO, A. O.; OLIVEIRA, F. S. de; OLIVEIRA, M. F. de; FERNANDES, R. B. A. |
Afiliação: |
ARISTIDES OSVALDO NGOLO CENTRO NACIONAL DE INVESTIGAÇÃO CIENTÍFICA, LUANDA, ANGOLA., CENTRO NACIONAL DE INVESTIGAÇÃO CIENTÍFICA, LUANDA, ANGOLA; FÁBIO SOARES DE OLIVEIRA, UNIVERSIDADE FEDERAL DE MINAS GERAIS; MAURILIO FERNANDES DE OLIVEIRA, CNPMS; RAPHAEL BRAGANÇA ALVES FERNANDES, UNIVERSIDADE FEDERAL DE VIÇOSA. |
Título: |
Microstructural changes in Oxisols under long-term different management systems. |
Ano de publicação: |
2023 |
Fonte/Imprenta: |
Revista Brasileira de Ciência do Solo, v. 47, e0230051, 2023. |
DOI: |
https://doi.org/10.36783/18069657rbcs20230051 |
Idioma: |
Inglês |
Conteúdo: |
There has long been a discussion about the effects of soil management on its structure. Since changes can occur due to management and time of use, more accurate assessments can be achieved if carried out in long-term experiments. This study investigated the long-term effects of soil management on the physical quality of a Cerrado Oxisol (Latossolo Vermelho), focusing on microstructural changes. Micromorphology and computed tomography techniques were used to assess the soil’s microstructure. The study compared areas under long-term and different soil management practices, including disc plowing, no-tillage, and disc harrow+subsoiler. A native Cerrado area was considered as the reference. Micromorphology revealed some changes in the pedological features of soil aggregates, but the granular structure showed good resistance even after two decades of use and management. It also indicated a decrease in larger pores and an increase in the surface soil layer micropores for the disc plowing and no-tillage treatments. These results were consistent with traditional laboratory evaluations of soil porosity. Computed tomography was limited due to increased soil bulk density in the cultivated treatments, but it showed potential for assessing soil porosity and pore connectivity. We concluded that micromorphology effectively identifies microstructural changes in Oxisols with small and strong granular structures, and the granular soil aggregates displayed resilience even after long-term management. The micromorphometric evaluation corroborates with traditional methods and suggests loss of pores associated with the disc harrow+subsoiler treatment. MenosThere has long been a discussion about the effects of soil management on its structure. Since changes can occur due to management and time of use, more accurate assessments can be achieved if carried out in long-term experiments. This study investigated the long-term effects of soil management on the physical quality of a Cerrado Oxisol (Latossolo Vermelho), focusing on microstructural changes. Micromorphology and computed tomography techniques were used to assess the soil’s microstructure. The study compared areas under long-term and different soil management practices, including disc plowing, no-tillage, and disc harrow+subsoiler. A native Cerrado area was considered as the reference. Micromorphology revealed some changes in the pedological features of soil aggregates, but the granular structure showed good resistance even after two decades of use and management. It also indicated a decrease in larger pores and an increase in the surface soil layer micropores for the disc plowing and no-tillage treatments. These results were consistent with traditional laboratory evaluations of soil porosity. Computed tomography was limited due to increased soil bulk density in the cultivated treatments, but it showed potential for assessing soil porosity and pore connectivity. We concluded that micromorphology effectively identifies microstructural changes in Oxisols with small and strong granular structures, and the granular soil aggregates displayed resilience even after long-term manag... Mostrar Tudo |
Palavras-Chave: |
Microestrutura do solo; Microtomografia de raios X; Morfometria dos poros; Pores morphometry; X-ray microtomography. |
Thesagro: |
Solo. |
Thesaurus NAL: |
Microstructure; Soil; Soil micromorphology. |
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1158891/1/Microstructural-changes-in-oxisols-under-long-term-different-management-systems.pdf
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Marc: |
LEADER 02521naa a2200277 a 4500 001 2158891 005 2023-11-29 008 2023 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.36783/18069657rbcs20230051$2DOI 100 1 $aNGOLO, A. O. 245 $aMicrostructural changes in Oxisols under long-term different management systems.$h[electronic resource] 260 $c2023 520 $aThere has long been a discussion about the effects of soil management on its structure. Since changes can occur due to management and time of use, more accurate assessments can be achieved if carried out in long-term experiments. This study investigated the long-term effects of soil management on the physical quality of a Cerrado Oxisol (Latossolo Vermelho), focusing on microstructural changes. Micromorphology and computed tomography techniques were used to assess the soil’s microstructure. The study compared areas under long-term and different soil management practices, including disc plowing, no-tillage, and disc harrow+subsoiler. A native Cerrado area was considered as the reference. Micromorphology revealed some changes in the pedological features of soil aggregates, but the granular structure showed good resistance even after two decades of use and management. It also indicated a decrease in larger pores and an increase in the surface soil layer micropores for the disc plowing and no-tillage treatments. These results were consistent with traditional laboratory evaluations of soil porosity. Computed tomography was limited due to increased soil bulk density in the cultivated treatments, but it showed potential for assessing soil porosity and pore connectivity. We concluded that micromorphology effectively identifies microstructural changes in Oxisols with small and strong granular structures, and the granular soil aggregates displayed resilience even after long-term management. The micromorphometric evaluation corroborates with traditional methods and suggests loss of pores associated with the disc harrow+subsoiler treatment. 650 $aMicrostructure 650 $aSoil 650 $aSoil micromorphology 650 $aSolo 653 $aMicroestrutura do solo 653 $aMicrotomografia de raios X 653 $aMorfometria dos poros 653 $aPores morphometry 653 $aX-ray microtomography 700 1 $aOLIVEIRA, F. S. de 700 1 $aOLIVEIRA, M. F. de 700 1 $aFERNANDES, R. B. A. 773 $tRevista Brasileira de Ciência do Solo$gv. 47, e0230051, 2023.
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