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9. | | BAHIA, H. F.; SILVA, S. A.; FERNANDEZ, L. G.; LEDO, C. A. da S.; MOREIRA, R. F. C. Divergência genética entre cinco cultivares de mamoneira. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 43, n. 3, p. 357-362, mar. 2008. Biblioteca(s): Embrapa Algodão; Embrapa Mandioca e Fruticultura; Embrapa Unidades Centrais. |
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10. | | VIRMOND, E.; DE SENA, R. F.; ALBRECHT, W.; ALTHOFF, C. A.; MOREIRA, R. F. P. M.; JOSÉ, H. J. Characterisation of agroindustrial solid residues as biofuels and potential application in thermochemical processes. Waste Management, v. 32, n. 10, p. 1952?1961, 2012,. Biblioteca(s): Embrapa Agroenergia. |
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11. | | SANTANA, I. B. B.; COSTA, M. A. P. de C.; MOREIRA, R. F. C.; RITZINGER, R.; SOARES FILHO, W. dos S.; CRUZ, E. S. da; LUQUINE, L. S. Análise multivariada no pré-melhoramento de germoplasma de umbu-cajazeira. In: SEMINÁRIO DE PESQUISA DO RECÔNCAVO DA BAHIA, 3.; SEMINÁRIO ESTUDANTIL DE PESQUISA DA UFRB, 3.; SEMINÁRIO DE PÓS-GRADUAÇÃO DA UFRB, 3., 2009, Cruz das Almas. Evolução do conhecimento e o desenvolvimento social: [resumos...]. Cruz das Almas: Universidade Federal do Recôncavo da Bahia, 2009. 01 CD-ROM. Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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12. | | CARNEIRO, J. L. dos S.; SILVA, S. de O. e; FERREIRA, C. F.; MOREIRA, R. F. C.; SILVEIRA, D. G.; REIS, A. S. dos; MOREIRA, L. C. Caracterização morfológica de germoplasma de inhame. In: CONGRESSO BRASILEIRO DE RECURSOS GENÉTICOS, 2., 2012, Belém, PA. Anais... Brasília, DF: Sociedade Brasileira de Recursos Genéticos, 2012. 1 CD-ROM. Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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13. | | SAMPAIO FILHO, O. M.; LEDO, C. A. da S.; SILVA, S. A.; MOREIRA, R. F. C.; CARVALHO, D. dos S.; ALVES, K. A. Caracterização de jenipapeiros nativos do Recôncavo Baiano. In: CONGRESSO BRASILEIRO DE FRUTICULTURA, 20.; ANNUAL MEETING OF THE INTERAMERICAN SOCIETY FOR TROPICAL HORTICULTURE, 54., 2008, Vitória. Frutas para todos: estratégias, tecnologias e visão sustentável: anais. Vitória: INCAPER: Sociedade Brasileira de Fruticultura, 2008. Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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14. | | PASCOAL, G. de F. L.; ABREU, J. P. de; SANTIAGO, M. C. P. de A.; MORÁSTICA JÚNIOR, M. R.; MOREIRA, R. F. A.; FANARO, G.; TEODORO, A. J. Identification of phenolic compounds and volative compounds in polyphenols-rich extract of hybrid vitis vinifera l. Cultivars and their antioxidant properties. In: SIMPÓSIO LATINO AMERICANO DE CIÊNCIA DE ALIMENTOS , 12., 2017, Campinas. Ciência de Alimentos e seu Impacto no Mundo em Transformação. Campinas: UNICAMP, 2017. SLACA, 12. De 4 a 7 de Novembro de 2017. Biblioteca(s): Embrapa Agroindústria de Alimentos. |
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19. | | AFONSO, S. D. J.; LEDO, C. A. da S.; MOREIRA, R. F. C.; SANTOS, V. da S.; BORGES, V. P.; MUONDO, P. A. Selection of cassava (Manihot esculenta Crantz) genotypes based on agro-morphological traits in Angola. African Journal of Biotechnology, v. 18, n.7, p. 144-154, February, 2019. Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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20. | | AFONSO, S. D. J.; LEDO, C. A. da S.; MOREIRA, R. F. C.; SILVA, S. de O. e; LEAL, V. D. de J.; CONCEIÇÃO, A. L. da S. Selection of descriptors in a morphological characteristics considered in cassava accessions by means of multivariate techniques. Journal of Agriculture and Veterinary Science, v. 7, Issue 1, p 13-20, Feb. 2014. Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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Registro Completo
Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
Data corrente: |
08/04/2019 |
Data da última atualização: |
07/12/2019 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 1 |
Autoria: |
DIAS, F. P. M.; HÜBNER, R.; NUNES, F. de J.; LEANDRO, W. M.; XAVIER, F. A. da S. |
Afiliação: |
FABIANE PEREIRA MACHADO DIAS, UFGO; RODRIGO HÜBNER, UFGO; FLÁVIA DE JESUS NUNES, UFRB; WILSON MOZENA LEANDRO, UFGO; FRANCISCO ALISSON DA SILVA XAVIER, CNPMF. |
Título: |
Effects of land-use change on chemical attributes of a Ferralsol in Brazilian Cerrado. |
Ano de publicação: |
2019 |
Fonte/Imprenta: |
Catena, v. 177, p. 180-188, June 2019. |
ISSN: |
0341-8162 |
Idioma: |
Inglês |
Conteúdo: |
The expansion of agriculture in the Brazilian Cerrado biome occurs at the expense of replacing native forest with pasture and/or crops. Negative environmental impacts, such as soil degradation, have been observed during this process. We aimed to evaluate the effect of different agricultural management systems on chemical attributes and soil organic matter fractions of a Ferralsol in an area of Cerrado, in the municipality of Hidrolândia, Goiás, Brazil. The following management systems were evaluated: (a) pasture (PAST), (b) no-tillage system (NT), organic cultivation (ORG) systems with different years of cultivation (2, 6, 8, and 10?years), and (c) a conventional management system (CS). Further, an area under native Cerrado forest (NF) was selected and used as a reference for steady state. Soil cores were collected at 0.0?0.10, 0.10?0.20, and 0.20?0.40?m depths. Macronutrients, total organic C (TOC), particulate organic C (POC), humic substances, and labile-C (Lab-C) were analyzed. The land-use change effect, driven by deforestation with subsequent pasture and/or crop, was evident by principal component (PC) analysis. In the 0.0?0.10?m soil layer, PC2 showed the isolation of NF from agricultural systems, whereas PC1 exhibited similar phenomena for the 0.10?0.20 and 0.20?0.40?m layers. In all cases, the agricultural systems showed weak correlation to TOC, POC, Lab-C and base saturation, suggesting loss of soil chemical fertility compared to NF. The ORG-8 area differed from other managed systems mainly due to high pH, P content, and base saturation. Soil cation exchange capacity was highly correlated to variables associated with soil organic matter, such as TOC, POC, and Lab-C. This result demonstrates that Cerrado soils are highly dependent on soil organic C dynamics. Conversion of Cerrado into agricultural land decreases soil chemical fertility. However, agroecosystems that reduce soil tillage and increase organic inputs, such as organic cultivation and no-tillage, seem to be suitable options for agricultural activity in Brazilian Cerrado. MenosThe expansion of agriculture in the Brazilian Cerrado biome occurs at the expense of replacing native forest with pasture and/or crops. Negative environmental impacts, such as soil degradation, have been observed during this process. We aimed to evaluate the effect of different agricultural management systems on chemical attributes and soil organic matter fractions of a Ferralsol in an area of Cerrado, in the municipality of Hidrolândia, Goiás, Brazil. The following management systems were evaluated: (a) pasture (PAST), (b) no-tillage system (NT), organic cultivation (ORG) systems with different years of cultivation (2, 6, 8, and 10?years), and (c) a conventional management system (CS). Further, an area under native Cerrado forest (NF) was selected and used as a reference for steady state. Soil cores were collected at 0.0?0.10, 0.10?0.20, and 0.20?0.40?m depths. Macronutrients, total organic C (TOC), particulate organic C (POC), humic substances, and labile-C (Lab-C) were analyzed. The land-use change effect, driven by deforestation with subsequent pasture and/or crop, was evident by principal component (PC) analysis. In the 0.0?0.10?m soil layer, PC2 showed the isolation of NF from agricultural systems, whereas PC1 exhibited similar phenomena for the 0.10?0.20 and 0.20?0.40?m layers. In all cases, the agricultural systems showed weak correlation to TOC, POC, Lab-C and base saturation, suggesting loss of soil chemical fertility compared to NF. The ORG-8 area differed from ot... Mostrar Tudo |
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LEADER 02623naa a2200193 a 4500 001 2108024 005 2019-12-07 008 2019 bl uuuu u00u1 u #d 022 $a0341-8162 100 1 $aDIAS, F. P. M. 245 $aEffects of land-use change on chemical attributes of a Ferralsol in Brazilian Cerrado.$h[electronic resource] 260 $c2019 520 $aThe expansion of agriculture in the Brazilian Cerrado biome occurs at the expense of replacing native forest with pasture and/or crops. Negative environmental impacts, such as soil degradation, have been observed during this process. We aimed to evaluate the effect of different agricultural management systems on chemical attributes and soil organic matter fractions of a Ferralsol in an area of Cerrado, in the municipality of Hidrolândia, Goiás, Brazil. The following management systems were evaluated: (a) pasture (PAST), (b) no-tillage system (NT), organic cultivation (ORG) systems with different years of cultivation (2, 6, 8, and 10?years), and (c) a conventional management system (CS). Further, an area under native Cerrado forest (NF) was selected and used as a reference for steady state. Soil cores were collected at 0.0?0.10, 0.10?0.20, and 0.20?0.40?m depths. Macronutrients, total organic C (TOC), particulate organic C (POC), humic substances, and labile-C (Lab-C) were analyzed. The land-use change effect, driven by deforestation with subsequent pasture and/or crop, was evident by principal component (PC) analysis. In the 0.0?0.10?m soil layer, PC2 showed the isolation of NF from agricultural systems, whereas PC1 exhibited similar phenomena for the 0.10?0.20 and 0.20?0.40?m layers. In all cases, the agricultural systems showed weak correlation to TOC, POC, Lab-C and base saturation, suggesting loss of soil chemical fertility compared to NF. The ORG-8 area differed from other managed systems mainly due to high pH, P content, and base saturation. Soil cation exchange capacity was highly correlated to variables associated with soil organic matter, such as TOC, POC, and Lab-C. This result demonstrates that Cerrado soils are highly dependent on soil organic C dynamics. Conversion of Cerrado into agricultural land decreases soil chemical fertility. However, agroecosystems that reduce soil tillage and increase organic inputs, such as organic cultivation and no-tillage, seem to be suitable options for agricultural activity in Brazilian Cerrado. 650 $aSolo 700 1 $aHÜBNER, R. 700 1 $aNUNES, F. de J. 700 1 $aLEANDRO, W. M. 700 1 $aXAVIER, F. A. da S. 773 $tCatena$gv. 177, p. 180-188, June 2019.
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