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Registro Completo |
Biblioteca(s): |
Embrapa Pesca e Aquicultura. |
Data corrente: |
30/06/2020 |
Data da última atualização: |
01/07/2020 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
OLIVEIRA, S. M. de; CIAMPITTI, I. A.; ALMEIDA, R. E. M. de; PIEROZAN JUNIOR, C.; TRIVELIN, P. C. O.; FAVARIN, J. L. |
Afiliação: |
SILAS MACIEL DE OLIVEIRA, ESALQ; IGNACIO A. CIAMPITTI, KANSAS STATE UNIVERSITY; RODRIGO ESTEVAM MUNHOZ DE ALMEIDA, CNPASA; CLOVIS PIEROZAN JUNIOR; PAULO CESAR OCHEUZE TRIVELIN, CENA; JOSE LAERCIO FAVARIN, ESALQ. |
Título: |
Closing the nitrogen budget of intercropped maize and palisadegrass. |
Ano de publicação: |
2020 |
Fonte/Imprenta: |
European Journal of Agronomy, v. 119, 126093, 2020. |
ISSN: |
1161-0301 |
DOI: |
https://doi.org/10.1016/j.eja.2020.126093 |
Idioma: |
Inglês |
Conteúdo: |
In tropical agriculture, maize (Zea mays L.) intercropped with palisadegrass (Brachiaria brizantha cv. Marandu) is considered a highly relevant cropping system to deliver both residue and forage. However, the benefits of inclusion of palisadegrass in maize systems and its influence on fertilizer dynamics and nitrogen (N) budget as well as the period after maize harvest for which palisadegrass continues to grow remain unclear. Thus, we conducted field studies to determine crop growth, end-season biomass, N fertilizer recovery, and overall N budget between an intercrop and a monoculture at two different sites during conventional and late-planted maize seasons. The cropping systems evaluated were maize and palisadegrass in monocultures and two intercrop patterns, serving as cover crop or forage with simulated grazing. From planting to grain harvest, intercrop patterns did not affect grain yield, final N content, and N fertilizer dynamics. Post-harvest, palisadegrass from intercrop patterns improved biomass from 1 to 10 Mg ha?1 and N content from 8 to 300 kg ha?1, relative to fallow after maize monoculture. Contribution of palisadegrass intercropping on N fertilizer recovery was low at approximately 4.5 kg ha-1 when both the crops were growing simultaneously and approximately 2.4 kg ha?1 following maize grain harvest. In three out of four sites over 2 years, intercrop patterns did not affect total N fertilizer recovery compared with their monocultures, averaging at approximately 51 %. Advantages of maize-palisadegrass intercropping on biomass, yield, and N cycling were documented at the site where maize was planted during the conventional season, despite the yearly variation in weather conditions. A negative N budget of ?230 kg ha?1 was estimated when grazing was simulated during the conventional maize planting season, suggesting greater N requirements of the intercropped palisadegrass when serving as forage. MenosIn tropical agriculture, maize (Zea mays L.) intercropped with palisadegrass (Brachiaria brizantha cv. Marandu) is considered a highly relevant cropping system to deliver both residue and forage. However, the benefits of inclusion of palisadegrass in maize systems and its influence on fertilizer dynamics and nitrogen (N) budget as well as the period after maize harvest for which palisadegrass continues to grow remain unclear. Thus, we conducted field studies to determine crop growth, end-season biomass, N fertilizer recovery, and overall N budget between an intercrop and a monoculture at two different sites during conventional and late-planted maize seasons. The cropping systems evaluated were maize and palisadegrass in monocultures and two intercrop patterns, serving as cover crop or forage with simulated grazing. From planting to grain harvest, intercrop patterns did not affect grain yield, final N content, and N fertilizer dynamics. Post-harvest, palisadegrass from intercrop patterns improved biomass from 1 to 10 Mg ha?1 and N content from 8 to 300 kg ha?1, relative to fallow after maize monoculture. Contribution of palisadegrass intercropping on N fertilizer recovery was low at approximately 4.5 kg ha-1 when both the crops were growing simultaneously and approximately 2.4 kg ha?1 following maize grain harvest. In three out of four sites over 2 years, intercrop patterns did not affect total N fertilizer recovery compared with their monocultures, averaging at approximately... Mostrar Tudo |
Palavras-Chave: |
Difference method; Integrated farming; Nitrogen recovery efficiency. |
Thesagro: |
Brachiaria Brizantha; Consorciação de Cultura; Milho; Nitrogênio; Zea Mays. |
Thesaurus Nal: |
Corn; Nitrogen balance. |
Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
Marc: |
LEADER 02892naa a2200325 a 4500 001 2123518 005 2020-07-01 008 2020 bl uuuu u00u1 u #d 022 $a1161-0301 024 7 $ahttps://doi.org/10.1016/j.eja.2020.126093$2DOI 100 1 $aOLIVEIRA, S. M. de 245 $aClosing the nitrogen budget of intercropped maize and palisadegrass.$h[electronic resource] 260 $c2020 520 $aIn tropical agriculture, maize (Zea mays L.) intercropped with palisadegrass (Brachiaria brizantha cv. Marandu) is considered a highly relevant cropping system to deliver both residue and forage. However, the benefits of inclusion of palisadegrass in maize systems and its influence on fertilizer dynamics and nitrogen (N) budget as well as the period after maize harvest for which palisadegrass continues to grow remain unclear. Thus, we conducted field studies to determine crop growth, end-season biomass, N fertilizer recovery, and overall N budget between an intercrop and a monoculture at two different sites during conventional and late-planted maize seasons. The cropping systems evaluated were maize and palisadegrass in monocultures and two intercrop patterns, serving as cover crop or forage with simulated grazing. From planting to grain harvest, intercrop patterns did not affect grain yield, final N content, and N fertilizer dynamics. Post-harvest, palisadegrass from intercrop patterns improved biomass from 1 to 10 Mg ha?1 and N content from 8 to 300 kg ha?1, relative to fallow after maize monoculture. Contribution of palisadegrass intercropping on N fertilizer recovery was low at approximately 4.5 kg ha-1 when both the crops were growing simultaneously and approximately 2.4 kg ha?1 following maize grain harvest. In three out of four sites over 2 years, intercrop patterns did not affect total N fertilizer recovery compared with their monocultures, averaging at approximately 51 %. Advantages of maize-palisadegrass intercropping on biomass, yield, and N cycling were documented at the site where maize was planted during the conventional season, despite the yearly variation in weather conditions. A negative N budget of ?230 kg ha?1 was estimated when grazing was simulated during the conventional maize planting season, suggesting greater N requirements of the intercropped palisadegrass when serving as forage. 650 $aCorn 650 $aNitrogen balance 650 $aBrachiaria Brizantha 650 $aConsorciação de Cultura 650 $aMilho 650 $aNitrogênio 650 $aZea Mays 653 $aDifference method 653 $aIntegrated farming 653 $aNitrogen recovery efficiency 700 1 $aCIAMPITTI, I. A. 700 1 $aALMEIDA, R. E. M. de 700 1 $aPIEROZAN JUNIOR, C. 700 1 $aTRIVELIN, P. C. O. 700 1 $aFAVARIN, J. L. 773 $tEuropean Journal of Agronomy$gv. 119, 126093, 2020.
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Embrapa Pesca e Aquicultura (CNPASA) |
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Biblioteca(s): |
Embrapa Arroz e Feijão. |
Data corrente: |
23/05/2007 |
Data da última atualização: |
22/02/2024 |
Tipo da produção científica: |
Artigo em Anais de Congresso / Nota Técnica |
Autoria: |
MORAIS, O. P. de; BRESEGHELLO, F.; CRISPIM, B. C. F.; UTUMI, M. M.; LOPES, A. de M.; GUEDES, J. M.; CASTRO, E. da M. de. |
Afiliação: |
ORLANDO PEIXOTO DE MORAIS, CNPAF; FLAVIO BRESEGHELLO, CNPAF; BRUNA CARLA FAGUNDES CRISPIM, graduanda Uni-Anhanguera; MARLEY MARICO UTUMI, CPAF-RO; ALTEVIR DE MATOS LOPES, CPATU; JANINE MAGALHÃES GUEDES, graduanda UFLA; EMILIO DA MAIA DE CASTRO, CNPAF. |
Título: |
Desempenho da população CNA10 no terceiro ciclo de seleção. |
Ano de publicação: |
2007 |
Fonte/Imprenta: |
In: CONGRESSO BRASILEIRO DE MELHORAMENTO DE PLANTAS, 4., 2007, São Lourenço. Anais... São Lourenço: Sociedade Brasileira de Melhoramento de Plantas, 2007. |
Idioma: |
Português |
Conteúdo: |
Este trabalho teve o objetivo de avaliar o desempenho da população CNA10 de arroz de terras altas em seu terceiro ciclo de seleção recorrente, baseado em informações de famílias S0:2. |
Thesagro: |
Arroz; Melhoramento Genético Vegetal; Oryza Sativa; Seleção. |
Thesaurus NAL: |
rice. |
Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/66312/1/2007-264.pdf
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Marc: |
LEADER 00977nam a2200241 a 4500 001 1215155 005 2024-02-22 008 2007 bl uuuu u00u1 u #d 100 1 $aMORAIS, O. P. de 245 $aDesempenho da população CNA10 no terceiro ciclo de seleção.$h[electronic resource] 260 $aIn: CONGRESSO BRASILEIRO DE MELHORAMENTO DE PLANTAS, 4., 2007, São Lourenço. Anais... São Lourenço: Sociedade Brasileira de Melhoramento de Plantas$c2007 520 $aEste trabalho teve o objetivo de avaliar o desempenho da população CNA10 de arroz de terras altas em seu terceiro ciclo de seleção recorrente, baseado em informações de famílias S0:2. 650 $arice 650 $aArroz 650 $aMelhoramento Genético Vegetal 650 $aOryza Sativa 650 $aSeleção 700 1 $aBRESEGHELLO, F. 700 1 $aCRISPIM, B. C. F. 700 1 $aUTUMI, M. M. 700 1 $aLOPES, A. de M. 700 1 $aGUEDES, J. M. 700 1 $aCASTRO, E. da M. de
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