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Registro Completo |
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Biblioteca(s): |
Embrapa Rondônia. |
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Data corrente: |
22/04/2010 |
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Data da última atualização: |
27/09/2022 |
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Tipo da produção científica: |
Comunicado Técnico/Recomendações Técnicas |
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Autoria: |
GODINHO, V. de P. C.; UTUMI, M. M.; BROGIN, R. L.; OLIVEIRA, S. J. de M. |
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Afiliação: |
Vicente de Paulo Campos Godinho, Embrapa Rondônia; Marley Marico Utumi, Embrapa Rondônia; Rodrigo Luis Brogin, Embrapa Soja; Samuel José de Magalhães Oliveira, Embrapa Rondônia. |
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Título: |
Estimativa de custo de produção de soja, em plantio direto, na região de Cerejeiras, RO, safra 2008/09. |
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Ano de publicação: |
2009 |
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Fonte/Imprenta: |
Porto Velho: Embrapa Rondônia, 2009. |
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Páginas: |
4 p. |
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Série: |
(Embrapa Rondônia. Comunicado Técnico, 346). |
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Idioma: |
Português |
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Conteúdo: |
Este trabalho apresenta uma estimativa dos custos: fixo, variável e total da cultura de soja, em plantio direto, para a região de Cerejeiras, baseada em valores reais verificados na safra 2008/09, objetivando subsidiar tomada de decisões do produtor. |
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Palavras-Chave: |
Cerejeiras; Rondônia. |
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Thesagro: |
Custo de Produção; Plantio Direto; Soja. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/CPAF-RO-2010/14556/1/346-soja.pdf
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Marc: |
LEADER 00950nam a2200229 a 4500
001 1707843
005 2022-09-27
008 2009 bl uuuu u0uu1 u #d
100 1 $aGODINHO, V. de P. C.
245 $aEstimativa de custo de produção de soja, em plantio direto, na região de Cerejeiras, RO, safra 2008/09.$h[electronic resource]
260 $aPorto Velho: Embrapa Rondônia$c2009
300 $a4 p.
490 $a(Embrapa Rondônia. Comunicado Técnico, 346).
520 $aEste trabalho apresenta uma estimativa dos custos: fixo, variável e total da cultura de soja, em plantio direto, para a região de Cerejeiras, baseada em valores reais verificados na safra 2008/09, objetivando subsidiar tomada de decisões do produtor.
650 $aCusto de Produção
650 $aPlantio Direto
650 $aSoja
653 $aCerejeiras
653 $aRondônia
700 1 $aUTUMI, M. M.
700 1 $aBROGIN, R. L.
700 1 $aOLIVEIRA, S. J. de M.
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Registro original: |
Embrapa Rondônia (CPAF-RO) |
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Registro Completo
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Biblioteca(s): |
Embrapa Agrossilvipastoril; Embrapa Solos. |
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Data corrente: |
22/06/2020 |
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Data da última atualização: |
28/01/2022 |
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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: |
NASCIMENTO, A. F. do; OLIVEIRA, C. M. de; PEDREIRA, B. C. e; PEREIRA, D. H.; RODRIGUES, R. de A. R. |
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Afiliação: |
ALEXANDRE FERREIRA DO NASCIMENTO, CPAMT; CARINE MOREIRA DE OLIVEIRA, UFMT; BRUNO CARNEIRO E PEDREIRA, CPAMT; DALTON HENRIQUE PEREIRA, UFMT; RENATO DE ARAGAO RIBEIRO RODRIGUES, CNPS. |
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Título: |
Nitrous oxide emissions and forage accumulation in the Brazilian Amazon forage-livestock systems submitted to N input strategies. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Grassland Science, v. 67, n. 1, p. 63-72, Jan. 2021 |
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DOI: |
https://doi.org/10.1111/grs.12287 |
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Idioma: |
Inglês |
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Conteúdo: |
In the Brazilian Amazon, nitrogen input strategies are required to maintain forage-livestock systems productivity. However, greenhouse gases (GHG) emissions mitigation from tropical soils is also a global demand. This research aims to assess productivity and nitrous oxide (N2O) emissions from Oxisol cultivated with Marandu palisade grass (Brachiaria brizantha [Hochst. Ex A.Rich.] Stapf) submitted to nitrogen (N) input strategies (N fertilization and biological N fixation) in the Brazilian Amazon. The treatments were the following: control (unfertilized); U40 (fertilized with 40 kg N/ha as urea); U80 (fertilized with 80 kg N/ha as urea); AS40 (fertilized with 40 kg N/ha as ammonium sulfate); AS80 (fertilized with 80 kg N/ha as ammonium sulfate); and IAB (inoculated with Azospirillum brasilense ). From January to March 2016, soil N2O emission, forage accumulation (FA) and relative emission (RE) were assessed during two 28-day cycles. The FA was greater in the U80 and AS80 than in control and IAB. The highest peaks of soil N2O flux occurred from 4 to 7 days after N fertilization, primarily in the highest N rates treatments. Overall, 40 kg N/ha resulted in higher N2O flux than control and IAB, which were lower than 80 kg N/ha regardless of the N source. The lowest fluxes occurred in the control and IAB (below 20 ug N-N2O m-2 hr-1). All of the emission factors (EF) calculated for both fertilizers and rates were lower than 0.35%, which is below the 1% established by the IPCC. Our results indicate the need for discussion of the EF in the pasture intensification to contribute to avoid deforestation and mitigating emissions. The inputs of 40 kg N/ha per application with urea or ammonium sulfate, due to the low EF and RE, are recommended as a pasture N input strategy in the Brazilian Amazon. MenosIn the Brazilian Amazon, nitrogen input strategies are required to maintain forage-livestock systems productivity. However, greenhouse gases (GHG) emissions mitigation from tropical soils is also a global demand. This research aims to assess productivity and nitrous oxide (N2O) emissions from Oxisol cultivated with Marandu palisade grass (Brachiaria brizantha [Hochst. Ex A.Rich.] Stapf) submitted to nitrogen (N) input strategies (N fertilization and biological N fixation) in the Brazilian Amazon. The treatments were the following: control (unfertilized); U40 (fertilized with 40 kg N/ha as urea); U80 (fertilized with 80 kg N/ha as urea); AS40 (fertilized with 40 kg N/ha as ammonium sulfate); AS80 (fertilized with 80 kg N/ha as ammonium sulfate); and IAB (inoculated with Azospirillum brasilense ). From January to March 2016, soil N2O emission, forage accumulation (FA) and relative emission (RE) were assessed during two 28-day cycles. The FA was greater in the U80 and AS80 than in control and IAB. The highest peaks of soil N2O flux occurred from 4 to 7 days after N fertilization, primarily in the highest N rates treatments. Overall, 40 kg N/ha resulted in higher N2O flux than control and IAB, which were lower than 80 kg N/ha regardless of the N source. The lowest fluxes occurred in the control and IAB (below 20 ug N-N2O m-2 hr-1). All of the emission factors (EF) calculated for both fertilizers and rates were lower than 0.35%, which is below the 1% established by the IPCC. Our ... Mostrar Tudo |
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Palavras-Chave: |
Mitigação. |
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Thesagro: |
Fertilizante; Mudança Climática; Pecuária. |
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Thesaurus NAL: |
Climate change; Fertilizers; Livestock. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/230695/1/2021-cpamt-bcp-nitroux-oxide-emissions-forage-accumulation-brazilian-amazon-forage-livestock-systems-input-strategies.pdf
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Marc: |
LEADER 02644naa a2200265 a 4500
001 2129729
005 2022-01-28
008 2021 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1111/grs.12287$2DOI
100 1 $aNASCIMENTO, A. F. do
245 $aNitrous oxide emissions and forage accumulation in the Brazilian Amazon forage-livestock systems submitted to N input strategies.$h[electronic resource]
260 $c2021
520 $aIn the Brazilian Amazon, nitrogen input strategies are required to maintain forage-livestock systems productivity. However, greenhouse gases (GHG) emissions mitigation from tropical soils is also a global demand. This research aims to assess productivity and nitrous oxide (N2O) emissions from Oxisol cultivated with Marandu palisade grass (Brachiaria brizantha [Hochst. Ex A.Rich.] Stapf) submitted to nitrogen (N) input strategies (N fertilization and biological N fixation) in the Brazilian Amazon. The treatments were the following: control (unfertilized); U40 (fertilized with 40 kg N/ha as urea); U80 (fertilized with 80 kg N/ha as urea); AS40 (fertilized with 40 kg N/ha as ammonium sulfate); AS80 (fertilized with 80 kg N/ha as ammonium sulfate); and IAB (inoculated with Azospirillum brasilense ). From January to March 2016, soil N2O emission, forage accumulation (FA) and relative emission (RE) were assessed during two 28-day cycles. The FA was greater in the U80 and AS80 than in control and IAB. The highest peaks of soil N2O flux occurred from 4 to 7 days after N fertilization, primarily in the highest N rates treatments. Overall, 40 kg N/ha resulted in higher N2O flux than control and IAB, which were lower than 80 kg N/ha regardless of the N source. The lowest fluxes occurred in the control and IAB (below 20 ug N-N2O m-2 hr-1). All of the emission factors (EF) calculated for both fertilizers and rates were lower than 0.35%, which is below the 1% established by the IPCC. Our results indicate the need for discussion of the EF in the pasture intensification to contribute to avoid deforestation and mitigating emissions. The inputs of 40 kg N/ha per application with urea or ammonium sulfate, due to the low EF and RE, are recommended as a pasture N input strategy in the Brazilian Amazon.
650 $aClimate change
650 $aFertilizers
650 $aLivestock
650 $aFertilizante
650 $aMudança Climática
650 $aPecuária
653 $aMitigação
700 1 $aOLIVEIRA, C. M. de
700 1 $aPEDREIRA, B. C. e
700 1 $aPEREIRA, D. H.
700 1 $aRODRIGUES, R. de A. R.
773 $tGrassland Science$gv. 67, n. 1, p. 63-72, Jan. 2021
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Registro original: |
Embrapa Agrossilvipastoril (CPAMT) |
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