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Registro Completo |
Biblioteca(s): |
Embrapa Meio Ambiente. |
Data corrente: |
19/03/2024 |
Data da última atualização: |
19/03/2024 |
Tipo da produção científica: |
Resumo em Anais de Congresso |
Autoria: |
PENTEADO, L. F.; NOGUEIRA, S. F.; ANDRADE, C. A. de; RAMOS, N. P.; PAZIANOTTO, R. A. A.; GAROFALO, D. T. |
Afiliação: |
LUCAS FERREIRA PENTEADO, IAC; SANDRA FURLAN NOGUEIRA, CNPMA; CRISTIANO ALBERTO DE ANDRADE, CNPMA; NILZA PATRICIA RAMOS, CNPMA; RICARDO ANTONIO ALMEIDA PAZIANOTTO, CNPMA; DANILO TROVO GAROFALO, BOLSISTA EMBRAPA MEIO AMBIENTE. |
Título: |
N2O emission factors for nitrogen fertilizers and animal excreta in pastures: a meta-analysis for Brazil. |
Ano de publicação: |
2023 |
Fonte/Imprenta: |
In: SEMINAR ON NATURE BASED SOLUTIONS IN AGRICULTURE AND FORESTRY, 1., 2023, São Paulo. Strategies for carbon capture and reduction of GHG emissions in Brasil: book of abstracts. São Paulo: USP/RCGI, 2023. Evento on-line. |
Páginas: |
2 p. |
Idioma: |
Português |
Conteúdo: |
Between 1985 and 2020, Brazil increased its pasture area by 38%, from 111 to 154 million hectares. In turn, N2O emissions from the agriculturallivestock sector in 2016 accounted for 87% of the total emissions of this gas in the country. The determination of N2O EF in national inventories is carried out using the values recommended by the IPCC, but there are limitations, since a default N2O EF is used for diverse nitrogen fertilizers, in different situations of livestock practices and edaphoclimatic conditions. This standardization of the EF, mainly for a country like Brazil with continental dimensions and with great edaphoclimatic diversity, can lead to future mistakes in the dimensioning of the N2O emissions caused by national livestock. Therefore, this review and metaanalysis study aimed to propose consistent and reliable N2O EFs for each type of nitrogen fertilizer and animal excreta in pastures in Brazil. The selection of studies was carried out through a systematic review by consulting the databases of online scientific articles: Web of Science, Scopus, and Scielo from December 2018 to August 2022. The queries used the search syntaxes: “Brazil” and “nitrous oxide emission” and “emission factor” and “pasture”, “pasturelands”, “grasslands”, “livestock”, and 20 articles were considered suitable for analysis, which had information about the EFs or experimental conditions that allowed the calculations of the EFs. The meta-analysis was performed using the methodology without weighting for variance, where the means and 95% confidence intervals for the EF were estimated using the bootstrap non-parametric resampling method. The mineral fertilizers evaluated in the studies were urea, ammonium nitrate, and ammonium sulfate presented EFs and confidence intervals (%) of 0.57 [0.46-0.68]; 1.16 [0.51-1.81] and 0.28 [0.13-0.43], respectively. As for animal excreta, results were found regarding feces, urine, and feces plus urine of 0.14 [0.12-0.16]; 0.75 [0.63-0.87]; 0.59 [0.34-0.84], respectively. The average value found for EFs from mineral fertilizers was 0.69 and from animal excreta was 0.48 compared to the default value of 1% by the IPCC. It is concluded that the values offered by the IPCC in relation to the N2O EF would overestimate the real values found in Brazilian pastures. MenosBetween 1985 and 2020, Brazil increased its pasture area by 38%, from 111 to 154 million hectares. In turn, N2O emissions from the agriculturallivestock sector in 2016 accounted for 87% of the total emissions of this gas in the country. The determination of N2O EF in national inventories is carried out using the values recommended by the IPCC, but there are limitations, since a default N2O EF is used for diverse nitrogen fertilizers, in different situations of livestock practices and edaphoclimatic conditions. This standardization of the EF, mainly for a country like Brazil with continental dimensions and with great edaphoclimatic diversity, can lead to future mistakes in the dimensioning of the N2O emissions caused by national livestock. Therefore, this review and metaanalysis study aimed to propose consistent and reliable N2O EFs for each type of nitrogen fertilizer and animal excreta in pastures in Brazil. The selection of studies was carried out through a systematic review by consulting the databases of online scientific articles: Web of Science, Scopus, and Scielo from December 2018 to August 2022. The queries used the search syntaxes: “Brazil” and “nitrous oxide emission” and “emission factor” and “pasture”, “pasturelands”, “grasslands”, “livestock”, and 20 articles were considered suitable for analysis, which had information about the EFs or experimental conditions that allowed the calculations of the EFs. The meta-analysis was performed using the methodology without ... Mostrar Tudo |
Palavras-Chave: |
Mitigation. |
Thesaurus Nal: |
Greenhouse gases; Livestock; Meta-analysis. |
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1162985/1/RA-NogueiraSF-et-al-I-Seminar-NBS...-2023-N2O....pdf
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Marc: |
LEADER 03202nam a2200229 a 4500 001 2162985 005 2024-03-19 008 2023 bl uuuu u00u1 u #d 100 1 $aPENTEADO, L. F. 245 $aN2O emission factors for nitrogen fertilizers and animal excreta in pastures$ba meta-analysis for Brazil.$h[electronic resource] 260 $aIn: SEMINAR ON NATURE BASED SOLUTIONS IN AGRICULTURE AND FORESTRY, 1., 2023, São Paulo. Strategies for carbon capture and reduction of GHG emissions in Brasil: book of abstracts. São Paulo: USP/RCGI, 2023. Evento on-line.$c2023 300 $a2 p. 520 $aBetween 1985 and 2020, Brazil increased its pasture area by 38%, from 111 to 154 million hectares. In turn, N2O emissions from the agriculturallivestock sector in 2016 accounted for 87% of the total emissions of this gas in the country. The determination of N2O EF in national inventories is carried out using the values recommended by the IPCC, but there are limitations, since a default N2O EF is used for diverse nitrogen fertilizers, in different situations of livestock practices and edaphoclimatic conditions. This standardization of the EF, mainly for a country like Brazil with continental dimensions and with great edaphoclimatic diversity, can lead to future mistakes in the dimensioning of the N2O emissions caused by national livestock. Therefore, this review and metaanalysis study aimed to propose consistent and reliable N2O EFs for each type of nitrogen fertilizer and animal excreta in pastures in Brazil. The selection of studies was carried out through a systematic review by consulting the databases of online scientific articles: Web of Science, Scopus, and Scielo from December 2018 to August 2022. The queries used the search syntaxes: “Brazil” and “nitrous oxide emission” and “emission factor” and “pasture”, “pasturelands”, “grasslands”, “livestock”, and 20 articles were considered suitable for analysis, which had information about the EFs or experimental conditions that allowed the calculations of the EFs. The meta-analysis was performed using the methodology without weighting for variance, where the means and 95% confidence intervals for the EF were estimated using the bootstrap non-parametric resampling method. The mineral fertilizers evaluated in the studies were urea, ammonium nitrate, and ammonium sulfate presented EFs and confidence intervals (%) of 0.57 [0.46-0.68]; 1.16 [0.51-1.81] and 0.28 [0.13-0.43], respectively. As for animal excreta, results were found regarding feces, urine, and feces plus urine of 0.14 [0.12-0.16]; 0.75 [0.63-0.87]; 0.59 [0.34-0.84], respectively. The average value found for EFs from mineral fertilizers was 0.69 and from animal excreta was 0.48 compared to the default value of 1% by the IPCC. It is concluded that the values offered by the IPCC in relation to the N2O EF would overestimate the real values found in Brazilian pastures. 650 $aGreenhouse gases 650 $aLivestock 650 $aMeta-analysis 653 $aMitigation 700 1 $aNOGUEIRA, S. F. 700 1 $aANDRADE, C. A. de 700 1 $aRAMOS, N. P. 700 1 $aPAZIANOTTO, R. A. A. 700 1 $aGAROFALO, D. T.
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Registro original: |
Embrapa Meio Ambiente (CNPMA) |
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
Data corrente: |
25/06/2012 |
Data da última atualização: |
25/06/2012 |
Tipo da produção científica: |
Resumo em Anais de Congresso |
Autoria: |
NEVES, R. de J.; MARTINS, M. L. L.; OLIVEIRA, C. de; CARVALHO, P. C. L. de; LEDO, C. A. da S. |
Afiliação: |
REIZALUAMAR DE JESUS NEVES, UFRB; MÁRCIO LACERDA LOPES MARTINS, UFRB; CARINA DE OLIVEIRA, UFRB; PAULO CEZAR LEMOS DE CARVALHO, UFRB; CARLOS ALBERTO DA SILVA LEDO, CNPMF. |
Título: |
Sinopse taxonômica das espécies Manihot Müll. (Euphorbiaceae) do Banco Ativo de Germoplasma da Embrapa Mandioca e Fruticultura, Cruz das Almas, Bahia. |
Ano de publicação: |
2011 |
Fonte/Imprenta: |
In: REUNIÃO ANUAL DE CIÊNCIA, TECNOLOGIA, INOVAÇÃO E CULTURA NO RECÔNCAVO DA BAHIA - RECITEC RECÔNCAVO. 1., 2011, Cruz das Almas. Anais... Cruz das Almas: Universidade Federal do Recôncavo da Bahia, 2011. 1 CD-ROM. |
Páginas: |
2 p. |
Idioma: |
Português |
Notas: |
Em paralelo aconteceram também os seguintes eventos: V Seminário de Pesquisa do Recôncavo da Bahia; V Seminário Estudantil de Pesquisa da UFRB; V Seminário da Pós-Graduação da UFRB; II Seminário Regional de Pesquisa da EBDA; 5ª Jornada Científica da Embrapa Mandioca e Fruticultura; VIII Seminário Estudantil de Pesquisa e Extensão da FAMAM; Semana de Ciência, Tecnologia e Inovação no Agronegócio; Fórum de Gestores de Iniciação Científica e Tecnológica da Bahia; II Simpósio Baiano de Defesa Agropecuária; I Semana de Educação Tutorial da UFRB. |
Conteúdo: |
O gênero Manihot pertence à família Euphorbiaceae que compreende 222 gêneros e 6.100 espécies, amplamente distribuídas, porém mais diversa em regiões tropicais. As espécies silvestres do gênero Manihot representam uma considerável reserva genética que pode ser utilizada em programas de melhoramento da cultura da mandioca, podendo, através da transferência de determinados genes, solucionar problemas considerados graves para esta cultura. |
Palavras-Chave: |
Manihot Müll. |
Thesagro: |
Euphorbiaceae; Mandioca. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/61398/1/SINOPSE-TAXONOMICA-DAS-ESPECIES-MANIHOT-MULL-EUPHORBIACEAE.pdf
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Marc: |
LEADER 01872nam a2200217 a 4500 001 1927058 005 2012-06-25 008 2011 bl uuuu u00u1 u #d 100 1 $aNEVES, R. de J. 245 $aSinopse taxonômica das espécies Manihot Müll. (Euphorbiaceae) do Banco Ativo de Germoplasma da Embrapa Mandioca e Fruticultura, Cruz das Almas, Bahia. 260 $aIn: REUNIÃO ANUAL DE CIÊNCIA, TECNOLOGIA, INOVAÇÃO E CULTURA NO RECÔNCAVO DA BAHIA - RECITEC RECÔNCAVO. 1., 2011, Cruz das Almas. Anais... Cruz das Almas: Universidade Federal do Recôncavo da Bahia, 2011. 1 CD-ROM.$c2011 300 $a2 p. 500 $aEm paralelo aconteceram também os seguintes eventos: V Seminário de Pesquisa do Recôncavo da Bahia; V Seminário Estudantil de Pesquisa da UFRB; V Seminário da Pós-Graduação da UFRB; II Seminário Regional de Pesquisa da EBDA; 5ª Jornada Científica da Embrapa Mandioca e Fruticultura; VIII Seminário Estudantil de Pesquisa e Extensão da FAMAM; Semana de Ciência, Tecnologia e Inovação no Agronegócio; Fórum de Gestores de Iniciação Científica e Tecnológica da Bahia; II Simpósio Baiano de Defesa Agropecuária; I Semana de Educação Tutorial da UFRB. 520 $aO gênero Manihot pertence à família Euphorbiaceae que compreende 222 gêneros e 6.100 espécies, amplamente distribuídas, porém mais diversa em regiões tropicais. As espécies silvestres do gênero Manihot representam uma considerável reserva genética que pode ser utilizada em programas de melhoramento da cultura da mandioca, podendo, através da transferência de determinados genes, solucionar problemas considerados graves para esta cultura. 650 $aEuphorbiaceae 650 $aMandioca 653 $aManihot Müll 700 1 $aMARTINS, M. L. L. 700 1 $aOLIVEIRA, C. de 700 1 $aCARVALHO, P. C. L. de 700 1 $aLEDO, C. A. da S.
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Embrapa Mandioca e Fruticultura (CNPMF) |
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