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| Registros recuperados : 208 | |
| 61. |  | TONINI, H.; MORALES, M. M.; PORFIRIO-DA-SILVA, V.; LULU, J.; FARIAS NETO, A. L. de; MENEGUCI, J. L. P. Biomass allocation in Eucalyptus in monoculture and silvipastoral system. In: WORLD CONGRESS ON INTEGRATED CROP-LIVESTOCK-FOREST SYSTEMS; INTERNATIONAL SYMPOSIUM ON INTEGRATED CROP-LIVESTOCK SYSTEMS, 3., 2015, Brasília, DF. Towards sustainable intensification: proceedings. Brasília, DF: Embrapa, 2015. Resumo. Título em inglês e conteúdo em português.| Biblioteca(s): Embrapa Florestas. |
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| 62. | | OLIVEIRA, P. R. P. M.; DIANESE, A. de C.; FARIAS NETO, A. L. de; BLUM, L. B. Avaliação da agressividade de isolados de Fusarium spp. causadores da podridão vermelha da raiz em soja. In: REUNIÃO DE PESQUISA DE SOJA DA REGIÃO CENTRAL DO BRASIL, 31., 2010, Brasília, DF. Resumos... Londrina: Embrapa Soja, 2010. Editores técnicos: Adilson de Oliveira Junior, Odilon Ferreira Saraiva, Regina Maria Villas Bôas de Campo Leite, César de Castro, Jussara Flores de Oliveira Arbues, Wellington Cavalcanti. p. 243-245.| Biblioteca(s): Embrapa Cerrados. |
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| 65. | | SANTOS, V. A. H. F. dos; GARCIA, M. N.; MENEGUCI, J. L. P.; TONINI, H.; FARIAS NETO, A. L. de. Relações hipsométricas de eucalipto (Eucalyptus Grandis x Eucalyptus Urophylla) em sistema de integração lavoura-pecuária-floresta In: JORNADA CIENTÍFICA DA EMBRAPA AGROSSILVIPASTORIL, 2.,2013, Sinop. Anais... Sinop, MT: Embrapa Agrossilvipastoril, 2013. 1 CD.| Biblioteca(s): Embrapa Agrossilvipastoril. |
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| 72. | | SPERA, S. T.; MAGALHAES, C. A. de S.; FARIAS NETO, A. L. de; WOLF, G.; DORNELAS, K. C. Soil mechanical resistance to penetration (SMRP) in an Oxisol under different integrated crop/livestock systems (CLS) In: WORLD CONGRESS ON INTEGRATED CROP-LIVESTOCK-FOREST SYSTEMS; INTERNATIONAL SYMPOSIUM ON INTEGRATED CROP-LIVESTOCK SYSTEMS, 3., 2015, Brasília, DF. Towards sustainable intensification: proceedings. Brasília, DF: Embrapa, 2015. p. 291.| Biblioteca(s): Embrapa Agrossilvipastoril. |
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| 73. | | SOUZA, P. I. de M. de; FARIAS NETO, A. L. de; MOREIRA, C. T.; SILVA, S. A. da. Soybean (Glycine max) cultivation in the tropical region of Brasil: technology, expansion and recent technological challenges. WORLD SOYBEAN RESEARCH CONFERENCE, 8., 2009, Beijing, China. Developing a global soy blueprint for a safe secure and sustainable supply: abstracts. Beijing: The Chinese Academy of Agricultural Sciences: Crop Science Society of China, 2009. p. 55| Biblioteca(s): Embrapa Cerrados. |
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| 74. | | FARIAS NETO, A. L. de; DIEL, D.; SANTOS, V. A. H. F. dos; BEHLING, M.; LULU, J. Soybean tolerance to shade in crop-livestock-forest integration system. In: WORLD CONGRESS ON INTEGRATED CROP-LIVESTOCK-FOREST SYSTEMS; INTERNATIONAL SYMPOSIUM ON INTEGRATED CROP-LIVESTOCK SYSTEMS, 3., 2015, Brasília, DF. Towards sustainable intensification: proceedings. Brasília, DF: Embrapa, 2015. p. 175| Biblioteca(s): Embrapa Agrossilvipastoril. |
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| 78. | | SOUZA, P. I. de M. de; FRANCISCO, E. R.; MOREIRA, C. T.; FARIAS NETO, A L. de; SPEHAR, C. R.; ABUD, S.; SILVA, N. S. Performance de nove genótipos de soja cultivados em diferentes épocas de semeadura na Embrapa Cerrados. In: SIMPÓSIO NACIONAL CERRADO, 9.; SIMPÓSIO INTERNACIONAL SAVANAS TROPICAIS, 2., 2008, Brasília, DF. Desafios e estratégias para o equilíbrio entre sociedade, agronegócio e recursos naturais: anais... Planaltina, DF: Embrapa Cerrados, 2008. 1 CD-ROM.| Biblioteca(s): Embrapa Cerrados. |
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| 79. | | RIEGER, F. A.; ZOLIN, C. A.; MAGALHAES, C. A. de S.; PAULINO, J.; FARIAS NETO, A. L. de; MENEGUCI, J. L. P. Perda de água e sedimentos em diferentes usos do solo. In: INOVAGRI INTERNATIONAL MEETING, 2.; BRAZILIAN SYMPOSIUM ON SALINITY, 2.; BRAZILIAN MEETING ON IRRIGATION ENGINEERING, 2., 2014, Fortaleza. Anais... Fortaleza: Inovagri, 2014. a701.| Biblioteca(s): Embrapa Agrossilvipastoril. |
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| Registros recuperados : 208 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Agrossilvipastoril. |
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Data corrente: |
19/02/2019 |
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Data da última atualização: |
19/02/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 2 |
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Autoria: |
COUTINHO, R. R.; FALEIRO, V. de O.; FARIAS NETO, A. L. de; MENEGUCI, J. L. P.; FREITAS, L. G. |
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Afiliação: |
R. R. COUTINHO, UFV, VICOSA, MG; VALERIA DE OLIVEIRA FALEIRO, CPAMT; AUSTECLINIO LOPES DE FARIAS NETO, CPAMT; JOAO LUIZ PALMA MENEGUCI, CPAMT; L. G. FREITAS, UFV, VICOSA, MG. |
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Título: |
Nematode communities as biological indicators of disturbance in agricultural systems. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Nematropica, v. 48, n. 2, p. 186-197, 2018. |
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Idioma: |
Inglês |
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Conteúdo: |
The native forest area in the Brazilian Cerrado has been replaced by agro-ecosystems and is considered the last agricultural frontier of the country. Thus, the use of sustainable agro-ecosystems can minimize damage to the environment. To assess the sustainability of these systems, there are several types of indicators, including physical, chemical, and biological. Among the biological indicators are nematodes. Thus, the aim of this study was to evaluate nematodes as bio-indicators of disturbance during the establishment of a crop-livestock-forest integrated system (iCLF). Ten farming systems were evaluated (Forest, Crop, Livestock, Crop-Livestock, Livestock-Crop, Crop-Forest, Livestock-Forest, three different Crop-Livestock-Forest, Native Forest, and Spontaneous Vegetation). A native forested area and a spontaneous vegetation area were used as controls (stable environments). Samples were taken at the establishment of the systems and another during the crop season of the second year. The nematode communities were evaluated using total and relative abundance, Shannon-Weaver and Simpson?s diversity indexes and evenness, a wealth index (D), a maturity index (MI), a modified maturity index (MMI), a 2-5 maturity index (MI2-5), and a plant parasite index (PPI). The data were subjected to ANOVA and Tukey's test at 5% (P <0.05) significance in order to identify the effects of treatments on the nematode community. Plant-parasitic nematodes dominated at both harvests. Fungivores and bacterivores were reduced after the implantation. A greater number of representative genera of predatory nematodes were observed in the sampling carried out in the second year of implantation of the systems. Omnivores were slightly reduced under the influence of the Crop-Livestock (CL), the three iCLF systems, and the native forest area. The largest Shannon-Weaver?s diversity index and evenness were found in the Livestock-Forest (LF), the three iCLF systems, and the spontaneous vegetation area. The iCLF systems were the only systems in the second sampling that increased all diversity indexes, evenness and richness, unlike the Crop (C) system and the CL system. A lower MI value was found in the C system. The greatest MI values were observed in the CL, the three iCLF systems, and the spontaneous vegetation area. The maturity indices (MI and MI2-5), modified maturity index (MMI), and plant parasite index (PPI) indexes indicated that the spontaneous vegetation and native forest areas were reference areas with stable environments. In short, diversity measures and other indexes showed that the LF and iCLF systems generated less disturbance to the environment whereas the C system caused major disturbances. MenosThe native forest area in the Brazilian Cerrado has been replaced by agro-ecosystems and is considered the last agricultural frontier of the country. Thus, the use of sustainable agro-ecosystems can minimize damage to the environment. To assess the sustainability of these systems, there are several types of indicators, including physical, chemical, and biological. Among the biological indicators are nematodes. Thus, the aim of this study was to evaluate nematodes as bio-indicators of disturbance during the establishment of a crop-livestock-forest integrated system (iCLF). Ten farming systems were evaluated (Forest, Crop, Livestock, Crop-Livestock, Livestock-Crop, Crop-Forest, Livestock-Forest, three different Crop-Livestock-Forest, Native Forest, and Spontaneous Vegetation). A native forested area and a spontaneous vegetation area were used as controls (stable environments). Samples were taken at the establishment of the systems and another during the crop season of the second year. The nematode communities were evaluated using total and relative abundance, Shannon-Weaver and Simpson?s diversity indexes and evenness, a wealth index (D), a maturity index (MI), a modified maturity index (MMI), a 2-5 maturity index (MI2-5), and a plant parasite index (PPI). The data were subjected to ANOVA and Tukey's test at 5% (P <0.05) significance in order to identify the effects of treatments on the nematode community. Plant-parasitic nematodes dominated at both harvests. Fungivores and ba... Mostrar Tudo |
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Thesagro: |
Nematóide. |
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Thesaurus NAL: |
Disturbed soils. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/193005/1/2018-cpamt-valeria-faleiro-nematoide-biological-indicators-distrubance-agricultural-systems.pdf
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Marc: |
LEADER 03291naa a2200193 a 4500
001 2106220
005 2019-02-19
008 2018 bl uuuu u00u1 u #d
100 1 $aCOUTINHO, R. R.
245 $aNematode communities as biological indicators of disturbance in agricultural systems.$h[electronic resource]
260 $c2018
520 $aThe native forest area in the Brazilian Cerrado has been replaced by agro-ecosystems and is considered the last agricultural frontier of the country. Thus, the use of sustainable agro-ecosystems can minimize damage to the environment. To assess the sustainability of these systems, there are several types of indicators, including physical, chemical, and biological. Among the biological indicators are nematodes. Thus, the aim of this study was to evaluate nematodes as bio-indicators of disturbance during the establishment of a crop-livestock-forest integrated system (iCLF). Ten farming systems were evaluated (Forest, Crop, Livestock, Crop-Livestock, Livestock-Crop, Crop-Forest, Livestock-Forest, three different Crop-Livestock-Forest, Native Forest, and Spontaneous Vegetation). A native forested area and a spontaneous vegetation area were used as controls (stable environments). Samples were taken at the establishment of the systems and another during the crop season of the second year. The nematode communities were evaluated using total and relative abundance, Shannon-Weaver and Simpson?s diversity indexes and evenness, a wealth index (D), a maturity index (MI), a modified maturity index (MMI), a 2-5 maturity index (MI2-5), and a plant parasite index (PPI). The data were subjected to ANOVA and Tukey's test at 5% (P <0.05) significance in order to identify the effects of treatments on the nematode community. Plant-parasitic nematodes dominated at both harvests. Fungivores and bacterivores were reduced after the implantation. A greater number of representative genera of predatory nematodes were observed in the sampling carried out in the second year of implantation of the systems. Omnivores were slightly reduced under the influence of the Crop-Livestock (CL), the three iCLF systems, and the native forest area. The largest Shannon-Weaver?s diversity index and evenness were found in the Livestock-Forest (LF), the three iCLF systems, and the spontaneous vegetation area. The iCLF systems were the only systems in the second sampling that increased all diversity indexes, evenness and richness, unlike the Crop (C) system and the CL system. A lower MI value was found in the C system. The greatest MI values were observed in the CL, the three iCLF systems, and the spontaneous vegetation area. The maturity indices (MI and MI2-5), modified maturity index (MMI), and plant parasite index (PPI) indexes indicated that the spontaneous vegetation and native forest areas were reference areas with stable environments. In short, diversity measures and other indexes showed that the LF and iCLF systems generated less disturbance to the environment whereas the C system caused major disturbances.
650 $aDisturbed soils
650 $aNematóide
700 1 $aFALEIRO, V. de O.
700 1 $aFARIAS NETO, A. L. de
700 1 $aMENEGUCI, J. L. P.
700 1 $aFREITAS, L. G.
773 $tNematropica$gv. 48, n. 2, p. 186-197, 2018.
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