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| Registros recuperados : 73 | |
| 10. |  | RIGON, C. A. G.; RIGON, J. P. G.; CAPUANI, S.; BRITO NETO, J. F. de; BELTRAO, N. E. de M. Análise de trilha para rendimento de óleo em canola. CONGRESSO BRASILEIRO DE MAMONA, 5.; SIMPÓSIO INTERNACIONAL DE OLEAGINOSAS ENERGÉTICAS, 2.; FÓRUM CAPIXABA DE PINHÃO-MANSO, 1., 2012, Guarapari. Desafios e Oportunidades: anais. Campina Grande: Embrapa Algodão, 2012. p. 260| Biblioteca(s): Embrapa Algodão. |
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| 11. | | BRITO NETO, J. F. de; BELTRAO, N. E. de M.; FREITAS, J. G.; MOTA, J. R.; VALE, L. D. do. Crescimento e produção de mamoneira cultivar BRS ENERGIA em função de doses de silício e ácido salicílico CONGRESSO BRASILEIRO DE MAMONA, 5.; SIMPÓSIO INTERNACIONAL DE OLEAGINOSAS ENERGÉTICAS, 2.; FÓRUM CAPIXABA DE PINHÃO-MANSO, 1., 2012, Guarapari. Desafios e Oportunidades: anais. Campina Grande: Embrapa Algodão, 2012. p. 287| Biblioteca(s): Embrapa Algodão. |
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| 14. | | CAPUAN, S.; RIGON, J. P. G.; BRITO NETO, J. F. de; BELTRAO, N. E. de M.; RIGON, C. A. G. Crescimento inicial de mamoneira em função do cloreto de MEPIQUAT e adubação nitrogenada em cobertura. CONGRESSO BRASILEIRO DE MAMONA, 5.; SIMPÓSIO INTERNACIONAL DE OLEAGINOSAS ENERGÉTICAS, 2.; FÓRUM CAPIXABA DE PINHÃO-MANSO, 1., 2012, Guarapari. Desafios e Oportunidades: anais. Campina Grande: Embrapa Algodão, 2012. p. 289| Biblioteca(s): Embrapa Algodão. |
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| 15. | | ALVES, G. da S.; BELTRAO, N. E. de M.; REBEQUI, A. M.; SAMPAIO, L. R.; BRITO NETO, J. F. de. Comportamento produtivo da mamoneira sob diferentes populações de plantas em regime de irrigação. In: CONGRESSO BRASILEIRO DE MAMONA, 4.; SIMPÓSIO INTERNACIONAL DE OLEAGINOSAS ENERGÉTICAS, 1., 2010, João Pessoa. Inclusão social e energia: anais. Campina Grande: Embrapa Algodão, 2010.| Biblioteca(s): Embrapa Algodão. |
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| 16. | | COSTA JÚNIOR, F. P. da; SANTOS, D. P. dos; SILVA, M. N. B. da; BRITO NETO, J. F. Efeito de compostos orgânicos sob as características fenológicas do feijão faveta cultivado em anos subsequentes em Remígio-PB. In: REUNIÃO BRASILEIRA DE FERTILIDADE DO SOLO E NUTRIÇÃO DE PLANTAS, 28., REUNIÃO BRASILEIRA SOBRE MICORRIZAS, 12., SIMPÓSIO BRASILEIRO DE MICROBIOLOGIA DO SOLO, 10., REUNIÃO BRASILEIRA DE BIOLOGIA DO SOLO, 7., 2008, Londrina, PR. Desafios para o uso do solo com eficiência e qualidade ambiental: anais... Londrina: SBCS: Embrapa Soja, 2008. 1 CD-ROM| Biblioteca(s): Embrapa Algodão. |
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| 20. | | CAPUANI, S.; RIGON, J. P. G.; BRITO NETO, J. F. de; BELTRAO, N. E. de M.; RIGON, C. A. G. Índice de clorofila durante o desenvolvimento da mamoneira sob adubação nitrogenada e silicatada. CONGRESSO BRASILEIRO DE MAMONA, 5.; SIMPÓSIO INTERNACIONAL DE OLEAGINOSAS ENERGÉTICAS, 2.; FÓRUM CAPIXABA DE PINHÃO-MANSO, 1., 2012, Guarapari. Desafios e Oportunidades: anais. Campina Grande: Embrapa Algodão, 2012. p. 306| Biblioteca(s): Embrapa Algodão. |
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| Registros recuperados : 73 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Agrossilvipastoril; Embrapa Florestas. |
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Data corrente: |
04/10/2022 |
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Data da última atualização: |
25/10/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
PEREIRA, V. V.; MORALES, M. M.; PEREIRA, D. H.; REZENDE, F. A. de; MAGALHÃES, C. A. de S.; LIMA, L. B. de; MARIMON-JUNIOR, B. H.; PETTER, F. A. |
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Afiliação: |
VALÉRIA VIANA PEREIRA, UNIVERSIDADE FEDERAL DE MATO GROSSO; MARINA MOURA MORALES, CNPF; DALTON HENRIQUE PEREIRA, UNIVERSIDADE FEDERAL DE MATO GROSSO; FABIANA ABREU DE REZENDE, CPAMT; CIRO AUGUSTO DE SOUZA MAGALHAES, CPAMT; LARISSA BORGES DE LIMA, UNIVERSIDADE FEDERAL DE MATO GROSSO; BEN HUR MARIMON-JUNIOR, UNIVERSIDADE DO ESTADO DE MATO GROSSO; FABIANO ANDRÉ PETTER, UNIVERSIDADE FEDERAL DE MATO GROSSO. |
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Título: |
Activated biochar-based organomineral fertilizer delays nitrogen release and reduces N2O emission. |
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Ano de publicação: |
2022 |
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Fonte/Imprenta: |
Sustainability, v. 14, 12388, 2022. |
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Idioma: |
Inglês |
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Conteúdo: |
Leaching and nitrous oxide (N2O) emissions can represent substantial nitrogen (N) losses from chemical fertilizers, and slow-release fertilizers (SRFs) can mitigate these effects. Thus, biochar can be an alternative from an agronomic and environmental point of view to synthesize SRFs due to its physicochemical characteristics. We investigated the effect of nitrogenous organomineral fertilizers (OMF-N) formulated based on activated biochar on N losses by leaching and N2O emissions. The OMF-N were developed from a dry mechanical pelleting process with different biochar and urea proportions (2:1; 1:2, and 1:4). Three experiments were conducted using four fertilizer sources (urea, OMF-N 2:1, OMF-N 1:2, and OMF-N 1:4): i. to analyze the kinetics of N release from OMF-N at times: 5, 15, 30, 60, 90, and 120 min; ii. for N2O emission analysis determined at 3, 6, 10, 14, 24, 44, 54, 64, 74, 84, 104, and 118 days after application to the soil; and iii. for a double factorial design that was adopted to analyze N leaching, consisting of the combination of applying 160 kg N ha−1 of fertilizers in PVC columns at different depths (20, 40, 60, and 80 cm) and analyzed at five times (1, 7, 14, 21, and 28 days). FTIR spectroscopic analysis, specific surface area, porosity, and surface morphology showed physicochemical interactions of N of the OMF with biochar; the N from the OMF interacts physically and chemically binds to the functional surfaces of biochar, delaying the dissolution flow. The OMF-N proved capable of retaining 48% to 60% more NH4 + and reduced the release of Ntotal from urea from 27% to 60%, as well as reduced N2O emissions from 47% to 66%. Although absolute CO2 emissions intensified with the application of OMF-N, its use provides C sequestration in the soil to due to the recalcitrant C of the biochar, which results in a positive input-output balance in the system. The NO3 − concentration profiles revealed that the OMF-N application was able to reduce leaching in the soil to a depth of 80 cm. These studies enabled better understanding of the processes involved in the biochar:urea interaction and revealed that biochar can be used as an organic matrix in the synthesis of SRF. MenosLeaching and nitrous oxide (N2O) emissions can represent substantial nitrogen (N) losses from chemical fertilizers, and slow-release fertilizers (SRFs) can mitigate these effects. Thus, biochar can be an alternative from an agronomic and environmental point of view to synthesize SRFs due to its physicochemical characteristics. We investigated the effect of nitrogenous organomineral fertilizers (OMF-N) formulated based on activated biochar on N losses by leaching and N2O emissions. The OMF-N were developed from a dry mechanical pelleting process with different biochar and urea proportions (2:1; 1:2, and 1:4). Three experiments were conducted using four fertilizer sources (urea, OMF-N 2:1, OMF-N 1:2, and OMF-N 1:4): i. to analyze the kinetics of N release from OMF-N at times: 5, 15, 30, 60, 90, and 120 min; ii. for N2O emission analysis determined at 3, 6, 10, 14, 24, 44, 54, 64, 74, 84, 104, and 118 days after application to the soil; and iii. for a double factorial design that was adopted to analyze N leaching, consisting of the combination of applying 160 kg N ha−1 of fertilizers in PVC columns at different depths (20, 40, 60, and 80 cm) and analyzed at five times (1, 7, 14, 21, and 28 days). FTIR spectroscopic analysis, specific surface area, porosity, and surface morphology showed physicochemical interactions of N of the OMF with biochar; the N from the OMF interacts physically and chemically binds to the functional surfaces of biochar, delaying the dissolution flow... Mostrar Tudo |
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Palavras-Chave: |
Biomassa pirolítica; Controlled release kinetics; Sustentabilidade. |
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Thesagro: |
Efeito Estufa; Fertilizante; Nitrogênio. |
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Thesaurus NAL: |
Biochar; Nitrogen. |
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Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1147121/1/Pereira-et-al.-2022.pdf
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Marc: |
LEADER 03087naa a2200301 a 4500
001 2147121
005 2022-10-25
008 2022 bl uuuu u00u1 u #d
100 1 $aPEREIRA, V. V.
245 $aActivated biochar-based organomineral fertilizer delays nitrogen release and reduces N2O emission.$h[electronic resource]
260 $c2022
520 $aLeaching and nitrous oxide (N2O) emissions can represent substantial nitrogen (N) losses from chemical fertilizers, and slow-release fertilizers (SRFs) can mitigate these effects. Thus, biochar can be an alternative from an agronomic and environmental point of view to synthesize SRFs due to its physicochemical characteristics. We investigated the effect of nitrogenous organomineral fertilizers (OMF-N) formulated based on activated biochar on N losses by leaching and N2O emissions. The OMF-N were developed from a dry mechanical pelleting process with different biochar and urea proportions (2:1; 1:2, and 1:4). Three experiments were conducted using four fertilizer sources (urea, OMF-N 2:1, OMF-N 1:2, and OMF-N 1:4): i. to analyze the kinetics of N release from OMF-N at times: 5, 15, 30, 60, 90, and 120 min; ii. for N2O emission analysis determined at 3, 6, 10, 14, 24, 44, 54, 64, 74, 84, 104, and 118 days after application to the soil; and iii. for a double factorial design that was adopted to analyze N leaching, consisting of the combination of applying 160 kg N ha−1 of fertilizers in PVC columns at different depths (20, 40, 60, and 80 cm) and analyzed at five times (1, 7, 14, 21, and 28 days). FTIR spectroscopic analysis, specific surface area, porosity, and surface morphology showed physicochemical interactions of N of the OMF with biochar; the N from the OMF interacts physically and chemically binds to the functional surfaces of biochar, delaying the dissolution flow. The OMF-N proved capable of retaining 48% to 60% more NH4 + and reduced the release of Ntotal from urea from 27% to 60%, as well as reduced N2O emissions from 47% to 66%. Although absolute CO2 emissions intensified with the application of OMF-N, its use provides C sequestration in the soil to due to the recalcitrant C of the biochar, which results in a positive input-output balance in the system. The NO3 − concentration profiles revealed that the OMF-N application was able to reduce leaching in the soil to a depth of 80 cm. These studies enabled better understanding of the processes involved in the biochar:urea interaction and revealed that biochar can be used as an organic matrix in the synthesis of SRF.
650 $aBiochar
650 $aNitrogen
650 $aEfeito Estufa
650 $aFertilizante
650 $aNitrogênio
653 $aBiomassa pirolítica
653 $aControlled release kinetics
653 $aSustentabilidade
700 1 $aMORALES, M. M.
700 1 $aPEREIRA, D. H.
700 1 $aREZENDE, F. A. de
700 1 $aMAGALHÃES, C. A. de S.
700 1 $aLIMA, L. B. de
700 1 $aMARIMON-JUNIOR, B. H.
700 1 $aPETTER, F. A.
773 $tSustainability$gv. 14, 12388, 2022.
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Embrapa Florestas (CNPF) |
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