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 | Acesso ao texto completo restrito à biblioteca da Embrapa Cerrados. Para informações adicionais entre em contato com cpac.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Cerrados. |
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Data corrente: |
17/05/2021 |
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Data da última atualização: |
17/05/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 3 |
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Autoria: |
CARVALHO, A. M. de; OLIVEIRA, A. D. de; COSER, T. R.; SOUSA, T. R. de; LIMA, C. A. de; RAMOS, M. L. G.; MALAQUIAS, J. V.; GONÇALVES, A. D. M. de A.; RIBEIRO JUNIOR, W. Q. |
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Afiliação: |
ARMINDA MOREIRA DE CARVALHO, CPAC; ALEXSANDRA DUARTE DE OLIVEIRA, CPAC; THAIS RODRIGUES COSER; THAIS RODRIGUES DE SOUSA; CRISTIANE ANDREA DE LIMA; MARIA LUCRÉCIA GEROSA RAMOS; JUACI VITORIA MALAQUIAS, CPAC; ADRIANO DICESAR MARTINS DE ARAUJO GONÇALVES; WALTER QUADROS RIBEIRO JUNIOR, CPAC. |
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Título: |
N2O emissions from sugarcane fields under contrasting watering regimes in the Brazilian savannah. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Environmental Technology & Innovation, v. 22, n. 101470, 2021. |
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Páginas: |
11 p. |
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DOI: |
https://doi.org/10.1016/j.eti.2021.101470 2352-1864/ |
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Idioma: |
Inglês |
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Conteúdo: |
Bioethanol and other sugarcane by-products, such as the bagasse, are responsible for approximately 12% of Brazil?s total energy generation. This crop is expanding in the Central-Western Region of Brazil, within the Brazilian savannah biome (Cerrado). It is strongly associated with the use of mineral and/or organic fertilizers and irrigation practices due to drought period during winter. However, higher soil moisture content (due to rain or irrigation) and nitrogen (N) application increase nitrous oxide (N2O) emission, which is one of the main greenhouse gases from the agricultural sector. This study aimed to evaluate soil N2O fluxes in sugarcane under field conditions with contrasting water regimes in the Cerrado region of Brazil. Due to watering regimes, based on different crop evapotranspiration demand, it was possible to establish adequate water-use efficiency technologies. Increases in watering regimes did not increase N2O emissions compared to ??rescue irrigation??, commonly used by farmers in the region. However, higher yields were obtained from the higher watering regime (T75%) compared to the farmers? common practice. |
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Thesagro: |
Efeito Estufa; Fertilizante Nitrogenado; Irrigação; Latossolo. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02048naa a2200289 a 4500
001 2131838
005 2021-05-17
008 2021 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.eti.2021.101470 2352-1864/$2DOI
100 1 $aCARVALHO, A. M. de
245 $aN2O emissions from sugarcane fields under contrasting watering regimes in the Brazilian savannah.$h[electronic resource]
260 $c2021
300 $a11 p.
520 $aBioethanol and other sugarcane by-products, such as the bagasse, are responsible for approximately 12% of Brazil?s total energy generation. This crop is expanding in the Central-Western Region of Brazil, within the Brazilian savannah biome (Cerrado). It is strongly associated with the use of mineral and/or organic fertilizers and irrigation practices due to drought period during winter. However, higher soil moisture content (due to rain or irrigation) and nitrogen (N) application increase nitrous oxide (N2O) emission, which is one of the main greenhouse gases from the agricultural sector. This study aimed to evaluate soil N2O fluxes in sugarcane under field conditions with contrasting water regimes in the Cerrado region of Brazil. Due to watering regimes, based on different crop evapotranspiration demand, it was possible to establish adequate water-use efficiency technologies. Increases in watering regimes did not increase N2O emissions compared to ??rescue irrigation??, commonly used by farmers in the region. However, higher yields were obtained from the higher watering regime (T75%) compared to the farmers? common practice.
650 $aEfeito Estufa
650 $aFertilizante Nitrogenado
650 $aIrrigação
650 $aLatossolo
700 1 $aOLIVEIRA, A. D. de
700 1 $aCOSER, T. R.
700 1 $aSOUSA, T. R. de
700 1 $aLIMA, C. A. de
700 1 $aRAMOS, M. L. G.
700 1 $aMALAQUIAS, J. V.
700 1 $aGONÇALVES, A. D. M. de A.
700 1 $aRIBEIRO JUNIOR, W. Q.
773 $tEnvironmental Technology & Innovation$gv. 22, n. 101470, 2021.
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