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Registro Completo |
Biblioteca(s): |
Embrapa Meio Ambiente. |
Data corrente: |
03/12/2019 |
Data da última atualização: |
12/04/2021 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
PUGA, A. P.; GRUTZMACHER, P.; CERRI, C. E. P.; RIBEIRINHO, V. S.; ANDRADE, C. A. de. |
Afiliação: |
ALINE PEREGRINA PUGA, FAPESP; PRISCILA GRUTZMACHER; CARLOS EDUARDO PELLEGRINO CERRI, ESALQ-USP; VICTOR SANCHES RIBEIRINHO; CRISTIANO ALBERTO DE ANDRADE, CNPMA. |
Título: |
Biochar-based nitrogen fertilizers: greenhouse gas emissions, use efficiency, and maize yield in tropical soils. |
Ano de publicação: |
2019 |
Fonte/Imprenta: |
Science of The Total Environment, v. 704, article 135375, 2019. |
ISSN: |
0048-9697 |
DOI: |
https://doi.org/10.1016/j.scitotenv.2019.135375 |
Idioma: |
Inglês |
Conteúdo: |
Abstract: The sustainable development of agriculture depends on increasing N use efficiency (NUE) and volatilization, NO3 - leaching, and N2O emissions. While the chemical and physical properties of biochar (BC) in fertilizers have been evaluated to increase NUE, a lack of information exists regarding the effects of BC amendments in tropical soils. We performed a one-year field experiment with tropical soil to evaluate the effects of BCbased N fertilizers (BN) on maize yield and on greenhouse gas (GHG) emissions. The treatments consisted of five fertilizers: ammonium nitrate (AN), urea (U), BN51/10 (51% BC, 10% N), BN40/17 (40% BC, 17% N), BN29/20 (29% BC, 20% N), and a control (without N fertilizer). The N fertilizers (80 kg N ha-1) were broadcast 20 days after sowing. Yield, grain N uptake, NUE, ammonia volatilization, and GHG emissions were measured. The results demonstrated the potential of BNs to enhance the efficiency of the fertilizers. BN51/10 and BN40/17 had an average maize yield that was 26% higher than that of U, and BN51/10 resulted in a NUE that was 12% higher than what was observed for U. Both the effects on yield and NUE were attributed to lower N release rates of the BN-amended fertilizers compared to that of the conventional soluble N sources. The BC-based fertilizers presented better environmental performance, and BN51/10 showed the lowest emission intensity when C sequestration by BC was not considered, with a value that was 14% lower than that of the U treatment. When considering C sequestration by BC, the emission intensity of the C equivalents demonstrated that all BNs presented C sequestration that differed from that of the mineral N sources. BC-based nitrogen fertilizers may have promising applications for sustainable agricultural development by mitigating N losses and increasing C stocks. MenosAbstract: The sustainable development of agriculture depends on increasing N use efficiency (NUE) and volatilization, NO3 - leaching, and N2O emissions. While the chemical and physical properties of biochar (BC) in fertilizers have been evaluated to increase NUE, a lack of information exists regarding the effects of BC amendments in tropical soils. We performed a one-year field experiment with tropical soil to evaluate the effects of BCbased N fertilizers (BN) on maize yield and on greenhouse gas (GHG) emissions. The treatments consisted of five fertilizers: ammonium nitrate (AN), urea (U), BN51/10 (51% BC, 10% N), BN40/17 (40% BC, 17% N), BN29/20 (29% BC, 20% N), and a control (without N fertilizer). The N fertilizers (80 kg N ha-1) were broadcast 20 days after sowing. Yield, grain N uptake, NUE, ammonia volatilization, and GHG emissions were measured. The results demonstrated the potential of BNs to enhance the efficiency of the fertilizers. BN51/10 and BN40/17 had an average maize yield that was 26% higher than that of U, and BN51/10 resulted in a NUE that was 12% higher than what was observed for U. Both the effects on yield and NUE were attributed to lower N release rates of the BN-amended fertilizers compared to that of the conventional soluble N sources. The BC-based fertilizers presented better environmental performance, and BN51/10 showed the lowest emission intensity when C sequestration by BC was not considered, with a value that was 14% lower than that of the U t... Mostrar Tudo |
Palavras-Chave: |
Biocarvão; CH4 emission; Increased efficiency; N loss; N2O emission. |
Thesagro: |
Amônia; Fertilizante; Nitrogênio. |
Thesaurus Nal: |
Ammonia; Biochar; Greenhouse gases; Methane; Nitrous oxide. |
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
Marc: |
LEADER 02853naa a2200349 a 4500 001 2115772 005 2021-04-12 008 2019 bl uuuu u00u1 u #d 022 $a0048-9697 024 7 $ahttps://doi.org/10.1016/j.scitotenv.2019.135375$2DOI 100 1 $aPUGA, A. P. 245 $aBiochar-based nitrogen fertilizers$bgreenhouse gas emissions, use efficiency, and maize yield in tropical soils.$h[electronic resource] 260 $c2019 520 $aAbstract: The sustainable development of agriculture depends on increasing N use efficiency (NUE) and volatilization, NO3 - leaching, and N2O emissions. While the chemical and physical properties of biochar (BC) in fertilizers have been evaluated to increase NUE, a lack of information exists regarding the effects of BC amendments in tropical soils. We performed a one-year field experiment with tropical soil to evaluate the effects of BCbased N fertilizers (BN) on maize yield and on greenhouse gas (GHG) emissions. The treatments consisted of five fertilizers: ammonium nitrate (AN), urea (U), BN51/10 (51% BC, 10% N), BN40/17 (40% BC, 17% N), BN29/20 (29% BC, 20% N), and a control (without N fertilizer). The N fertilizers (80 kg N ha-1) were broadcast 20 days after sowing. Yield, grain N uptake, NUE, ammonia volatilization, and GHG emissions were measured. The results demonstrated the potential of BNs to enhance the efficiency of the fertilizers. BN51/10 and BN40/17 had an average maize yield that was 26% higher than that of U, and BN51/10 resulted in a NUE that was 12% higher than what was observed for U. Both the effects on yield and NUE were attributed to lower N release rates of the BN-amended fertilizers compared to that of the conventional soluble N sources. The BC-based fertilizers presented better environmental performance, and BN51/10 showed the lowest emission intensity when C sequestration by BC was not considered, with a value that was 14% lower than that of the U treatment. When considering C sequestration by BC, the emission intensity of the C equivalents demonstrated that all BNs presented C sequestration that differed from that of the mineral N sources. BC-based nitrogen fertilizers may have promising applications for sustainable agricultural development by mitigating N losses and increasing C stocks. 650 $aAmmonia 650 $aBiochar 650 $aGreenhouse gases 650 $aMethane 650 $aNitrous oxide 650 $aAmônia 650 $aFertilizante 650 $aNitrogênio 653 $aBiocarvão 653 $aCH4 emission 653 $aIncreased efficiency 653 $aN loss 653 $aN2O emission 700 1 $aGRUTZMACHER, P. 700 1 $aCERRI, C. E. P. 700 1 $aRIBEIRINHO, V. S. 700 1 $aANDRADE, C. A. de 773 $tScience of The Total Environment$gv. 704, article 135375, 2019.
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11. |  | ZENNI, R. D.; SAMPAIO, A. B.; LIMA, Y. P.; PESSOA FILHO, M. A. C. de P.; LINS. T. C. L.; PIVELLO, V. R.; DAEHLER, C. Invasive Melinis minutiflora outperforms native species, but the magnitude of the effect is context-dependent. Biological Invasions, v. 21, n. 2, p. 657-667, February 2019.Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
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Biblioteca(s): Embrapa Recursos Genéticos e Biotecnologia. |
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16. |  | PESSOA FILHO, M. A. C. de P.; SOUZA SOBRINHO, F. de; FRAGOSO, R. da R.; SILVA JUNIOR, O. B. da; FERREIRA, M. E. A draft genome assembly for the forage grass Urochloa ruziziensis based on single-molecule real-time sequencing. In: BRAZILIAN BIOTECHNOLOGY CONGRESS, 7.; BIOTECHNOLOGY IBERO-AMERICAN CONGRESS, 2., 2018, Brasília, DF. Proceedings... Brasília, DF: SBBiotec, 2018.Tipo: Resumo em Anais de Congresso |
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18. |  | SILVA JUNIOR, O. B. da; PESSOA FILHO, M. A. C. de P.; SA, M. E. L.; DEAL, R.; RAGOUSSIS, I.; GRATTAPAGLIA, D.; RECH FILHO, E. L. Coupling in-depth genome annotations with genome editing technology for harnessing genomic variation to promote precision breeding in tropical soybean. In: BRAZILIAN BIOTECHNOLOGY CONGRESS, 7.; BIOTECHNOLOGY IBERO-AMERICAN CONGRESS, 2., 2018, Brasília, DF. Proceedings... Brasília, DF: SBBiotec, 2018.Tipo: Resumo em Anais de Congresso |
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