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| Registros recuperados : 159 | |
| 22. |  | COSTA, N. de L.; GIOSTRI, A. F.; OLIVEIRA, R. A. de; MORAES, A. de. Estimativa do rendimento potencial de azevém anual (Lolium multiflorum Lam.) através de modelos matemáticos. PUBVET, Londrina, V. 5, N. 9, Ed. 156, Art. 1051, 2011.| Biblioteca(s): Embrapa Roraima. |
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| 23. | | KRUCHELSKI, S.; PORFIRIO-DA-SILVA, V.; PORTUGAL, T. B.; TRICHES, G. P.; MORAES, A. de. Estimativa de sequestro de carbono por árvores em um sistema integrado de produção agropecuária em área de proteção ambiental no subtrópico brasileiro. Pesquisa Florestal Brasileira, Colombo, v. 39, (nesp), e201902043, 2019. p. 499. Edição especial dos resumos do IUFRO World Congress, 25., 2019, Curitiba.| Biblioteca(s): Embrapa Florestas. |
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| 24. | | BALBINOT JUNIOR, A. A.; MORAES, A. de; PELISSARI, A.; VEIGA, M. da; DIECKOW, J. Estratégias de uso do solo no inverno e seu efeito no milho cultivado em sucessão. Revista Brasileira de Agrociência, Pelotas, v. 17, n. 1/4, p. 94-107, jan-mar, 2011.| Biblioteca(s): Embrapa Soja. |
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| 26. | | SILVA, H. A. da; MORAES, A. de; CARVALHO, P. C. de F.; PONTES, L. da S. Desempenho de novilhas leiteiras em pastagens anuais de inverno sob sistema de integração lavoura-pecuária. Pesquisa agropecuária Brasileira, Brasília, DF, v. 46, n. 10, p. 1372 -1378, out. 2011 Título em inglês: Dairy heifers’ performance in winter annual pastures under integrated crop?livestock system.| Biblioteca(s): Embrapa Unidades Centrais. |
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| 31. | | FAVARETTO, N.; MORAES, A. de; MOTTA, A. C. V.; PREVEDELLO, B. M. S. Efeito da revegetação e da adubação de area degradada na fertilidade do solo e nas características da palhada. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 35, n. 2, p. 289-297, fev. 2000. Título em inglês: Effect of revegetation and of fertilization of degraded area on soil fertility and on characteristic of straw mulch.| Biblioteca(s): Embrapa Unidades Centrais. |
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| 39. | | COSTA, N. de L.; MORAES, A. de; GIANLUPPI, V.; BENDAHAN, A. B.; MAGALHAES, J. A. Rendimento de forragem e morfogênese de Axonopus aureus, durante o período seco, nos cerrados de Roraima. Revista Agro@mbiente On-line, v. 6, n. 1, p. 59-66, jan./abr. 2012.| Biblioteca(s): Embrapa Meio-Norte. |
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| 40. | | COSTA, N. de L.; MORAES, A. de; GIANLUPPI, V.; BENDAHAN, A. B.; MAGALHÃES, J. A. Rendimento de forragem e morfogênese de Axonopus aureus, durante o príodo seco, nos cerrados de Roraima. Revista Agroambiente On-line, v. 6, n. 1, p. 59-66, jan./abr. 2012.| Biblioteca(s): Embrapa Meio Norte / UEP-Parnaíba. |
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| Registros recuperados : 159 | |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Florestas. Para informações adicionais entre em contato com cnpf.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
04/04/2022 |
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Data da última atualização: |
04/04/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
AMADORI, C.; DIECKOW, J.; ZANATTA, J. A.; MORAES, A. de; ZAMAN, M.; BAYER, C. |
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Afiliação: |
CAROLINE AMADORI, UFPR; JEFERSON DIECKOW, UFPR; JOSILEIA ACORDI ZANATTA, CNPF; ANIBAL DE MORAES, UFPR; MOHAMMAD ZAMAN, International Atomic Energy Agency; CIMÉLIO BAYER, UFRGS. |
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Título: |
Nitrous oxide and methane emissions from soil under integrated farming systems in southern Brazil. |
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Ano de publicação: |
2022 |
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Fonte/Imprenta: |
Science of the Total Environment, v. 828, 154555, July 2022. 11 p. |
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DOI: |
https://doi.org/10.1016/j.scitotenv.2022.154555 |
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Idioma: |
Inglês |
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Conteúdo: |
This study aimed at evaluating soil nitrous oxide (N2O) and methane (CH4) emissions from integrated farming systems. Soil N2O and CH4 fluxes were assessed in a subtropical Cambisol in southern Brazil, using manual static chambers, over two years, in five farming systems (cropland, livestock, integrated crop-livestock, integrated livestock-forestry, and integrated crop-livestock-forestry). The study was conducted in four growing seasons: summer-1, winter-1, summer-2, winter-2. Integrated farming systems had lower soil N2O emissions than livestock. The observed reduction was possibly due to lower water-filled pore space (WFPS) in soils under integrated systems (average 59.5?64.7%, vs 70.4% in livestock) as indicated by correlation (r = 0.74). Cropland, including cover-crops and maize, also had lower N2O emission (by 40%) relative to livestock, of levels similar to those observed in integrated systems. Methane was consumed in soil, but it was not affected by farming systems, and offset only ~1.4% of the N2O emissions. In the rainiest season of summer-2, the soil had the highest WFPS (on average 71.4%) and thus the highest N2O emission (on average 9.79 kg N2O-N ha−1 season−1) and the lowest CH4 consumption (on average − 0.40 kg CH4-C ha−1 season−1); while the opposite trend occurred in the driest season of winter-2 (on average 57.3% WFPS; 0.64 kg N2O-N ha−1 season−1 and -0.90 kg CH4-C ha−1 season−1). Integrated farming systems including crop-livestock, livestock-forestry and crop-livestock-forestry reduced soil N2O emissions relative to sole livestock by 27?40%, but did not affect CH4 emissions. Seasonal variations of precipitation, and therefore WFPS were driving factors of the N2O and CH4 emissions. Overall, integrated farming systems show the potential to mitigate soil N2O emission compared to livestock system. MenosThis study aimed at evaluating soil nitrous oxide (N2O) and methane (CH4) emissions from integrated farming systems. Soil N2O and CH4 fluxes were assessed in a subtropical Cambisol in southern Brazil, using manual static chambers, over two years, in five farming systems (cropland, livestock, integrated crop-livestock, integrated livestock-forestry, and integrated crop-livestock-forestry). The study was conducted in four growing seasons: summer-1, winter-1, summer-2, winter-2. Integrated farming systems had lower soil N2O emissions than livestock. The observed reduction was possibly due to lower water-filled pore space (WFPS) in soils under integrated systems (average 59.5?64.7%, vs 70.4% in livestock) as indicated by correlation (r = 0.74). Cropland, including cover-crops and maize, also had lower N2O emission (by 40%) relative to livestock, of levels similar to those observed in integrated systems. Methane was consumed in soil, but it was not affected by farming systems, and offset only ~1.4% of the N2O emissions. In the rainiest season of summer-2, the soil had the highest WFPS (on average 71.4%) and thus the highest N2O emission (on average 9.79 kg N2O-N ha−1 season−1) and the lowest CH4 consumption (on average − 0.40 kg CH4-C ha−1 season−1); while the opposite trend occurred in the driest season of winter-2 (on average 57.3% WFPS; 0.64 kg N2O-N ha−1 season−1 and -0.90 kg CH4-C ha−1 season−1). Integrated farming system... Mostrar Tudo |
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Palavras-Chave: |
Grazing rainfall; Integrated crop-livestock system; Non-CO2; WFPS. |
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Thesagro: |
Eucalipto. |
|
Thesaurus NAL: |
Eucalyptus. |
|
Categoria do assunto: |
A Sistemas de Cultivo |
|
Marc: |
LEADER 02694naa a2200265 a 4500
001 2141776
005 2022-04-04
008 2022 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.scitotenv.2022.154555$2DOI
100 1 $aAMADORI, C.
245 $aNitrous oxide and methane emissions from soil under integrated farming systems in southern Brazil.$h[electronic resource]
260 $c2022
520 $aThis study aimed at evaluating soil nitrous oxide (N2O) and methane (CH4) emissions from integrated farming systems. Soil N2O and CH4 fluxes were assessed in a subtropical Cambisol in southern Brazil, using manual static chambers, over two years, in five farming systems (cropland, livestock, integrated crop-livestock, integrated livestock-forestry, and integrated crop-livestock-forestry). The study was conducted in four growing seasons: summer-1, winter-1, summer-2, winter-2. Integrated farming systems had lower soil N2O emissions than livestock. The observed reduction was possibly due to lower water-filled pore space (WFPS) in soils under integrated systems (average 59.5?64.7%, vs 70.4% in livestock) as indicated by correlation (r = 0.74). Cropland, including cover-crops and maize, also had lower N2O emission (by 40%) relative to livestock, of levels similar to those observed in integrated systems. Methane was consumed in soil, but it was not affected by farming systems, and offset only ~1.4% of the N2O emissions. In the rainiest season of summer-2, the soil had the highest WFPS (on average 71.4%) and thus the highest N2O emission (on average 9.79 kg N2O-N ha−1 season−1) and the lowest CH4 consumption (on average − 0.40 kg CH4-C ha−1 season−1); while the opposite trend occurred in the driest season of winter-2 (on average 57.3% WFPS; 0.64 kg N2O-N ha−1 season−1 and -0.90 kg CH4-C ha−1 season−1). Integrated farming systems including crop-livestock, livestock-forestry and crop-livestock-forestry reduced soil N2O emissions relative to sole livestock by 27?40%, but did not affect CH4 emissions. Seasonal variations of precipitation, and therefore WFPS were driving factors of the N2O and CH4 emissions. Overall, integrated farming systems show the potential to mitigate soil N2O emission compared to livestock system.
650 $aEucalyptus
650 $aEucalipto
653 $aGrazing rainfall
653 $aIntegrated crop-livestock system
653 $aNon-CO2
653 $aWFPS
700 1 $aDIECKOW, J.
700 1 $aZANATTA, J. A.
700 1 $aMORAES, A. de
700 1 $aZAMAN, M.
700 1 $aBAYER, C.
773 $tScience of the Total Environment$gv. 828, 154555, July 2022. 11 p.
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