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![](/consulta/web/img/deny.png) | Acesso ao texto completo restrito à biblioteca da Embrapa Pesca e Aquicultura. Para informações adicionais entre em contato com cnpaf.biblioteca@embrapa.br. |
Registro Completo |
Biblioteca(s): |
Embrapa Pesca e Aquicultura. |
Data corrente: |
10/01/2023 |
Data da última atualização: |
13/02/2023 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
PIEROZAN JUNIOR, C.; FAVARIN, J. L.; BAPTISTELLA, J. L. C.; ALMEIDA, R. E. M. de; OLIVEIRA, S. M. de; LAGO, B. C.; TEZOTTO, T. |
Afiliação: |
CLOVIS PIEROZAN JUNIOR, FEDERAL INSTITUTE OF EDUCATION SCIENCE AND TECHNOLOGY OF PARANÁ; JOSÉ LAÉRCIO FAVARIN, ESALQ; JOÃO LEONARDO CORTE BAPTISTELLA, ESALQ; RODRIGO ESTEVAM MUNHOZ DE ALMEIDA, CNPASA; SILAS MACIEL DE OLIVEIRA, UNIVERSIDADE ESTADUAL DE MARINGÁ, PR; BRUNO COCCO LAGO, ESALQ; TIAGO TEZOTTO, ESALQ. |
Título: |
Controlled release urea increases soybean yield without compromising symbiotic nitrogen fixation. |
Ano de publicação: |
2023 |
Fonte/Imprenta: |
Experimental Agriculture, v. 59, e1, p. 1-13, 2023. |
ISSN: |
0014-4797 |
DOI: |
https://doi.org/10.1017/S0014479722000540 |
Idioma: |
Inglês |
Conteúdo: |
In Brazil, high-yield soybean [Glycine Max (L). Merrill] - corn (Zea mays L.) double cropping system might be nitrogen (N)-limited and additional N fertilization can be beneficial. Early application of N in soybean reduces the symbiotic N fixation (SNF) efficiency and/or establishment. One alternative to avoid SNF impairment is to apply N between the beginning pod (R3) and seed-fill (R5) stages through the use of controlled release fertilizers. In this study, N was applied at 50 kg ha-1 as common urea (CU) or controlled release urea (CRU) with different lag periods until N release starts (30 days, 60 days, or 1:1 mix of both lag times) in a randomized complete blocks design with six treatments and four replicates under tropical and subtropical conditions. CU was applied after soybean emergence (VE) or at the beginning pod (R3), and CRU only at VE. Using urea labeled with 15N isotope, we analyzed the N source used by soybean (fertilizer, soil, or SNF) and SNF parameters. On average, CRU ? 30 days, CRU - 1:1 mix (30 + 60 days) and CU applied at the R3 stage increased grain yield by 9.2% (354 kg ha-1) compared to the control. N derived from all fertilizer treatment were almost 35 kg N ha-1, a high N recovery efficiency of 68%. The SNF was not impaired by CU and CRU and accounted for 71% (220 kg N ha-1) of total N uptake. In the conditions of the experiments, fertilization of 50 kg N ha-1 as CRU was shown to be effective to supply N in late soybean demand (R3 stage), increasing yield without damaging the SNF process in high-yield environments. MenosIn Brazil, high-yield soybean [Glycine Max (L). Merrill] - corn (Zea mays L.) double cropping system might be nitrogen (N)-limited and additional N fertilization can be beneficial. Early application of N in soybean reduces the symbiotic N fixation (SNF) efficiency and/or establishment. One alternative to avoid SNF impairment is to apply N between the beginning pod (R3) and seed-fill (R5) stages through the use of controlled release fertilizers. In this study, N was applied at 50 kg ha-1 as common urea (CU) or controlled release urea (CRU) with different lag periods until N release starts (30 days, 60 days, or 1:1 mix of both lag times) in a randomized complete blocks design with six treatments and four replicates under tropical and subtropical conditions. CU was applied after soybean emergence (VE) or at the beginning pod (R3), and CRU only at VE. Using urea labeled with 15N isotope, we analyzed the N source used by soybean (fertilizer, soil, or SNF) and SNF parameters. On average, CRU ? 30 days, CRU - 1:1 mix (30 + 60 days) and CU applied at the R3 stage increased grain yield by 9.2% (354 kg ha-1) compared to the control. N derived from all fertilizer treatment were almost 35 kg N ha-1, a high N recovery efficiency of 68%. The SNF was not impaired by CU and CRU and accounted for 71% (220 kg N ha-1) of total N uptake. In the conditions of the experiments, fertilization of 50 kg N ha-1 as CRU was shown to be effective to supply N in late soybean demand (R3 stage), increasing ... Mostrar Tudo |
Thesagro: |
Fixação de Nitrogênio; Glycine Max; Soja. |
Thesaurus Nal: |
Fertilizers; Nitrogen; Nitrogen fixation; Plant nutrition; Soybeans; Ureides. |
Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
Marc: |
LEADER 02510naa a2200325 a 4500 001 2150852 005 2023-02-13 008 2023 bl uuuu u00u1 u #d 022 $a0014-4797 024 7 $ahttps://doi.org/10.1017/S0014479722000540$2DOI 100 1 $aPIEROZAN JUNIOR, C. 245 $aControlled release urea increases soybean yield without compromising symbiotic nitrogen fixation.$h[electronic resource] 260 $c2023 520 $aIn Brazil, high-yield soybean [Glycine Max (L). Merrill] - corn (Zea mays L.) double cropping system might be nitrogen (N)-limited and additional N fertilization can be beneficial. Early application of N in soybean reduces the symbiotic N fixation (SNF) efficiency and/or establishment. One alternative to avoid SNF impairment is to apply N between the beginning pod (R3) and seed-fill (R5) stages through the use of controlled release fertilizers. In this study, N was applied at 50 kg ha-1 as common urea (CU) or controlled release urea (CRU) with different lag periods until N release starts (30 days, 60 days, or 1:1 mix of both lag times) in a randomized complete blocks design with six treatments and four replicates under tropical and subtropical conditions. CU was applied after soybean emergence (VE) or at the beginning pod (R3), and CRU only at VE. Using urea labeled with 15N isotope, we analyzed the N source used by soybean (fertilizer, soil, or SNF) and SNF parameters. On average, CRU ? 30 days, CRU - 1:1 mix (30 + 60 days) and CU applied at the R3 stage increased grain yield by 9.2% (354 kg ha-1) compared to the control. N derived from all fertilizer treatment were almost 35 kg N ha-1, a high N recovery efficiency of 68%. The SNF was not impaired by CU and CRU and accounted for 71% (220 kg N ha-1) of total N uptake. In the conditions of the experiments, fertilization of 50 kg N ha-1 as CRU was shown to be effective to supply N in late soybean demand (R3 stage), increasing yield without damaging the SNF process in high-yield environments. 650 $aFertilizers 650 $aNitrogen 650 $aNitrogen fixation 650 $aPlant nutrition 650 $aSoybeans 650 $aUreides 650 $aFixação de Nitrogênio 650 $aGlycine Max 650 $aSoja 700 1 $aFAVARIN, J. L. 700 1 $aBAPTISTELLA, J. L. C. 700 1 $aALMEIDA, R. E. M. de 700 1 $aOLIVEIRA, S. M. de 700 1 $aLAGO, B. C. 700 1 $aTEZOTTO, T. 773 $tExperimental Agriculture$gv. 59, e1, p. 1-13, 2023.
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Embrapa Pesca e Aquicultura (CNPASA) |
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![](/consulta/web/img/deny.png) | Acesso ao texto completo restrito à biblioteca da Embrapa Agroindústria de Alimentos. Para informações adicionais entre em contato com ctaa.biblioteca@embrapa.br. |
Registro Completo
Biblioteca(s): |
Embrapa Agroindústria de Alimentos. |
Data corrente: |
05/02/2009 |
Data da última atualização: |
14/04/2009 |
Tipo da produção científica: |
Resumo em Anais de Congresso |
Autoria: |
MAMEDE, A. M. G. N.; CHITARRA, A. B.; FONSECA, M. J. de O.; SOARES, A. G.; PEREIRA FILHO, I. A.; MACHADO, E. G. |
Afiliação: |
Alexandra Mara Goulart Nunes Mamede, UFLA; Adimilson Bosco Chitarra, UFLA; Marcos José de Oliveira Fonseca, CTAA; Antonio Gomes Soares, CTAA; Israel Alexandre Pereira Filho, CNPMS; Eduardo Gabrig Machado, UFRRJ. |
Título: |
Avaliação microbiológica do milho verde doce (Embrapa HT1) minimamente processado armazenado sob atmosfera controlada e refrigeração. |
Ano de publicação: |
2008 |
Fonte/Imprenta: |
In: ENCONTRO NACIONAL SOBRE PROCESSAMENTO MÍNIMO DE FRUTAS E HORTALIÇAS, 5., 2008, Lavras. Palestras, mini-cursos e resumos. Lavras: UFLA, 2008. p. 107. |
Idioma: |
Português |
Palavras-Chave: |
Milho verde doce. |
Thesagro: |
Processamento Mínimo; Segurança Alimentar; Zea Mays. |
Categoria do assunto: |
-- |
Marc: |
LEADER 00805naa a2200217 a 4500 001 1416862 005 2009-04-14 008 2008 bl --- 0-- u #d 100 1 $aMAMEDE, A. M. G. N. 245 $aAvaliação microbiológica do milho verde doce (Embrapa HT1) minimamente processado armazenado sob atmosfera controlada e refrigeração. 260 $c2008 650 $aProcessamento Mínimo 650 $aSegurança Alimentar 650 $aZea Mays 653 $aMilho verde doce 700 1 $aCHITARRA, A. B. 700 1 $aFONSECA, M. J. de O. 700 1 $aSOARES, A. G. 700 1 $aPEREIRA FILHO, I. A. 700 1 $aMACHADO, E. G. 773 $tIn: ENCONTRO NACIONAL SOBRE PROCESSAMENTO MÍNIMO DE FRUTAS E HORTALIÇAS, 5., 2008, Lavras. Palestras, mini-cursos e resumos. Lavras: UFLA, 2008. p. 107.
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