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| 1. |  | ALVARENGA, W. B.; BISNETA, M. V.; MEYER, M. C. Eficiência de associações de fungicidas procimidona, carbendazim e fluazinam no controle de mofo-branco (Sclerotinia sclerotiorum) na cultura da soja. In: REUNIÃO DE PESQUISA DE SOJA, 36., 2017, Londrina, PR. Resumos expandidos... Londrina: Embrapa Soja, 2017. p. 159-161. (Embrapa Soja. Documentos, 388). Editado por Alvadi Antonio Balbinot Junior, Fernando Augusto Henning, Regina Maria Villas Bôas de Campos Leite.| Biblioteca(s): Embrapa Soja. |
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| Registros recuperados : 2 | |
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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 Agropecuária Oeste; Embrapa Florestas. |
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Data corrente: |
10/11/2014 |
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Data da última atualização: |
06/03/2015 |
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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: |
PIVA, J. T.; DIECKOW, J.; BAYER, C.; ZANATTA, J. A.; MORAES, A. de; TOMAZI, M.; PAULETTI, V.; BARTH, G.; PICCOLO, M. de C. |
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Afiliação: |
JONATAS TIAGO PIVA, UFPR; JEFERSON DIECKOW, UFPR; CIMÉLIO BAYER, UFRGS; JOSILEIA ACORDI ZANATTA, CNPF; ANIBAL DE MORAES, UFPR; MICHELY TOMAZI, UFRGS; VOLNEI PAULETTI, UFPR; GABRIEL BARTH, Fundação ABC para Assistência Técnica Agropecuária; MARISA DE CASSIA PICCOLO, Centro de Energia Nuclear na Agricultura/USP. |
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Título: |
Soil gaseous N2O and CH4 emissions and carbon pool due to integrated crop-livestock in a subtropical Ferralsol. |
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Ano de publicação: |
2014 |
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Fonte/Imprenta: |
Agriculture, Ecosystems and Environment, v. 190, p. 87-93, 2014. |
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Idioma: |
Inglês |
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Conteúdo: |
We assessed the impact of integrated crop-livestock (CL), with silage maize (Zea mays L.) in summerand grazed annual-ryegrass (Lolium multiflorum Lam.) in winter, and continuous crop (CC), with annual-ryegrass used only as cover-crop, on net greenhouse gas emission from soil (NetGHG-S) in a subtropicalFerralsol of a 3.5-year-old experiment in Brazil. Emissions from animal excreta in CL were estimated.Soil N2O fluxes after N application to maize were higher in CL (max. 181 g N2O-N m−2h−1) than in CC(max. 132 g N2O-N m−2h−1). The cumulative annual N2O emission from soil in CL surpassed that in CCby more than three-times (4.26 vs. 1.26 kg N2O-N ha−1, p < 0.01), possibly because of supplementary Napplication to grazed ryegrass in CL (N was not applied in cover-crop ryegrass of CC) and a certain degreeof soil compaction visually observed in the first few centimetres after grazing. The estimated annual N2Oemission from excreta in CL was 2.35 kg N2O-N ha−1. Cumulative annual CH4emission was not affectedsignificantly (1.65 in CL vs. 1.08 kg CH4-C ha−1in CC, p = 0.27). Soil organic carbon (OC) stocks were notaffected by soil use systems, neither in 0?20-cm (67.88 in CL vs. 67.20 Mg ha−1in CC, p = 0.62) or 0?100-cm (234.74 in CL vs. 234.61 Mg ha−1in CC, p = 0.97). The NetGHG-S was 0.652 Mg CO2-Ceqha−1year−1higher in CL than in CC. Crop-livestock emitted more N2O than CC and no soil OC sequestration occurredto offset that emission. Management of fertiliser- and excreta-N must be focused as a strategy to mitigate NO2 fluxes in CL. MenosWe assessed the impact of integrated crop-livestock (CL), with silage maize (Zea mays L.) in summerand grazed annual-ryegrass (Lolium multiflorum Lam.) in winter, and continuous crop (CC), with annual-ryegrass used only as cover-crop, on net greenhouse gas emission from soil (NetGHG-S) in a subtropicalFerralsol of a 3.5-year-old experiment in Brazil. Emissions from animal excreta in CL were estimated.Soil N2O fluxes after N application to maize were higher in CL (max. 181 g N2O-N m−2h−1) than in CC(max. 132 g N2O-N m−2h−1). The cumulative annual N2O emission from soil in CL surpassed that in CCby more than three-times (4.26 vs. 1.26 kg N2O-N ha−1, p < 0.01), possibly because of supplementary Napplication to grazed ryegrass in CL (N was not applied in cover-crop ryegrass of CC) and a certain degreeof soil compaction visually observed in the first few centimetres after grazing. The estimated annual N2Oemission from excreta in CL was 2.35 kg N2O-N ha−1. Cumulative annual CH4emission was not affectedsignificantly (1.65 in CL vs. 1.08 kg CH4-C ha−1in CC, p = 0.27). Soil organic carbon (OC) stocks were notaffected by soil use systems, neither in 0?20-cm (67.88 in CL vs. 67.20 Mg ha−1in CC, p = 0.62) or 0?100-cm (234.74 in CL vs. 234.61 Mg ha−1in CC, p = 0.97). The NetGHG-S was 0.652 Mg CO2-Ceqha−1year−1higher in CL than in CC. Crop-livestock emitted more N2O than CC and no soil OC sequestration occurredto offset tha... Mostrar Tudo |
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Palavras-Chave: |
Aquecimento global; Dairy livestock; Fertilização; Global warming mitigation; Mitigação; Subtropical soil. |
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Thesagro: |
Gado; Solo. |
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Categoria do assunto: |
--
A Sistemas de Cultivo |
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Marc: |
LEADER 02483naa a2200313 a 4500
001 1999593
005 2015-03-06
008 2014 bl uuuu u00u1 u #d
100 1 $aPIVA, J. T.
245 $aSoil gaseous N2O and CH4 emissions and carbon pool due to integrated crop-livestock in a subtropical Ferralsol.
260 $c2014
520 $aWe assessed the impact of integrated crop-livestock (CL), with silage maize (Zea mays L.) in summerand grazed annual-ryegrass (Lolium multiflorum Lam.) in winter, and continuous crop (CC), with annual-ryegrass used only as cover-crop, on net greenhouse gas emission from soil (NetGHG-S) in a subtropicalFerralsol of a 3.5-year-old experiment in Brazil. Emissions from animal excreta in CL were estimated.Soil N2O fluxes after N application to maize were higher in CL (max. 181 g N2O-N m−2h−1) than in CC(max. 132 g N2O-N m−2h−1). The cumulative annual N2O emission from soil in CL surpassed that in CCby more than three-times (4.26 vs. 1.26 kg N2O-N ha−1, p < 0.01), possibly because of supplementary Napplication to grazed ryegrass in CL (N was not applied in cover-crop ryegrass of CC) and a certain degreeof soil compaction visually observed in the first few centimetres after grazing. The estimated annual N2Oemission from excreta in CL was 2.35 kg N2O-N ha−1. Cumulative annual CH4emission was not affectedsignificantly (1.65 in CL vs. 1.08 kg CH4-C ha−1in CC, p = 0.27). Soil organic carbon (OC) stocks were notaffected by soil use systems, neither in 0?20-cm (67.88 in CL vs. 67.20 Mg ha−1in CC, p = 0.62) or 0?100-cm (234.74 in CL vs. 234.61 Mg ha−1in CC, p = 0.97). The NetGHG-S was 0.652 Mg CO2-Ceqha−1year−1higher in CL than in CC. Crop-livestock emitted more N2O than CC and no soil OC sequestration occurredto offset that emission. Management of fertiliser- and excreta-N must be focused as a strategy to mitigate NO2 fluxes in CL.
650 $aGado
650 $aSolo
653 $aAquecimento global
653 $aDairy livestock
653 $aFertilização
653 $aGlobal warming mitigation
653 $aMitigação
653 $aSubtropical soil
700 1 $aDIECKOW, J.
700 1 $aBAYER, C.
700 1 $aZANATTA, J. A.
700 1 $aMORAES, A. de
700 1 $aTOMAZI, M.
700 1 $aPAULETTI, V.
700 1 $aBARTH, G.
700 1 $aPICCOLO, M. de C.
773 $tAgriculture, Ecosystems and Environment$gv. 190, p. 87-93, 2014.
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