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Registro Completo |
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Biblioteca(s): |
Embrapa Amazônia Oriental. |
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Data corrente: |
31/05/2016 |
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Data da última atualização: |
19/05/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
CONTRERAS ESPINAL, F. S.; SILVA, E. C. da; MURAOKA, T.; FRANZINI, V. I.; TRIVELIN, P. C. O.; TEIXEIRA, M. B.; SAKADEVAN, K. |
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Afiliação: |
Freddy Sinencio Contreras Espinal, Dominican Institute for Agriculture, Livestock and Forest (IDIAF); Edson Cabral da Silva, USP/CENA; Takashi Muraoka, USP/CENA; VINICIUS IDE FRANZINI, CPATU; Paulo César Ocheuze Trivelin, USP/CENA; Marconi Batista Teixeira, Instituto Federal Goiano – Campus Rio Verde; Karuppan Sakadevan, International Atomic Energy Agency. |
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Título: |
Utilization of nitrogen (15N) from urea and green manures by rice as affected by nitrogen fertilizer rate. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
African Journal of Agricultural Research, v. 11, n. 13, p. 1171-1180, Mar. 2016. |
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DOI: |
10.5897/AJAR2015.10684 |
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Idioma: |
Inglês |
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Conteúdo: |
The use of green manures (GMs) in combination with nitrogen (N) fertilizer application is a promising practice to improve N fertilizer management in agricultural production systems. The main objective of this study was to evaluate the N use efficiency (NUE) of rice plant, derived from GMs including sunn hemp (Crotalaria juncea L.), millet (Pennisetum glaucum L.) and urea in the greenhouse. The experimental treatments included two GMs (sunn hemp-15N and millet-15N), absence of N organic source (without GM residues in soil) and four N rates, as urea-15N (0, 28.6, 57.2 and 85.8 mg N kg-1). The results showed that both rice grain and straw biomass yields under sunn hemp were greater than that of millet or without the application of GM. The NUE of rice under sunn hemp was greater than that under millet (18.9 and 7.8% under sunn hemp and millet, respectively). The urea N application rates did not affect the fertilizer NUE by rice (53.7%) with or without GMs. The NUE of GMs by rice plants ranged from 14.1% and 16.8% for root and shoot, respectively. The study showed that green manures can play an important role in enhancing soil fertility and N supply to subsequent crops. |
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Palavras-Chave: |
Isotopic diluition; Nitrogen mineralization; Oryza sativa L. |
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Thesagro: |
Arroz; Nitrogênio. |
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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/143551/1/830BE3B57851.pdf
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Marc: |
LEADER 02016naa a2200265 a 4500
001 2045905
005 2022-05-19
008 2016 bl uuuu u00u1 u #d
024 7 $a10.5897/AJAR2015.10684$2DOI
100 1 $aCONTRERAS ESPINAL, F. S.
245 $aUtilization of nitrogen (15N) from urea and green manures by rice as affected by nitrogen fertilizer rate.$h[electronic resource]
260 $c2016
520 $aThe use of green manures (GMs) in combination with nitrogen (N) fertilizer application is a promising practice to improve N fertilizer management in agricultural production systems. The main objective of this study was to evaluate the N use efficiency (NUE) of rice plant, derived from GMs including sunn hemp (Crotalaria juncea L.), millet (Pennisetum glaucum L.) and urea in the greenhouse. The experimental treatments included two GMs (sunn hemp-15N and millet-15N), absence of N organic source (without GM residues in soil) and four N rates, as urea-15N (0, 28.6, 57.2 and 85.8 mg N kg-1). The results showed that both rice grain and straw biomass yields under sunn hemp were greater than that of millet or without the application of GM. The NUE of rice under sunn hemp was greater than that under millet (18.9 and 7.8% under sunn hemp and millet, respectively). The urea N application rates did not affect the fertilizer NUE by rice (53.7%) with or without GMs. The NUE of GMs by rice plants ranged from 14.1% and 16.8% for root and shoot, respectively. The study showed that green manures can play an important role in enhancing soil fertility and N supply to subsequent crops.
650 $aArroz
650 $aNitrogênio
653 $aIsotopic diluition
653 $aNitrogen mineralization
653 $aOryza sativa L
700 1 $aSILVA, E. C. da
700 1 $aMURAOKA, T.
700 1 $aFRANZINI, V. I.
700 1 $aTRIVELIN, P. C. O.
700 1 $aTEIXEIRA, M. B.
700 1 $aSAKADEVAN, K.
773 $tAfrican Journal of Agricultural Research$gv. 11, n. 13, p. 1171-1180, Mar. 2016.
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Registro original: |
Embrapa Amazônia Oriental (CPATU) |
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Classificação |
Cutter |
Registro |
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Registro Completo
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Biblioteca(s): |
Embrapa Cerrados. |
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Data corrente: |
27/04/2010 |
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Data da última atualização: |
04/07/2017 |
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Tipo da produção científica: |
Folder/Folheto/Cartilha |
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Autoria: |
CRUZ, C. J. D. da; VARGAS, L. M. P.; MUNIZ, D. H. de F. |
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Afiliação: |
UFLA; CPAC; CPAC. |
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Título: |
Estudo das características da composição química de solução de solo em área agrícola (2009). |
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Ano de publicação: |
2009 |
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Fonte/Imprenta: |
Planaltina, DF: Embrapa Cerrados, 2009. |
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Descrição Física: |
1 folder. |
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Idioma: |
Português |
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Palavras-Chave: |
Nutrientes; Savanna. |
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Thesagro: |
Cerrado; Solo. |
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Thesaurus NAL: |
soil chemistry; soil nutrients. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/78168/1/p2009-055.pdf
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Marc: |
LEADER 00580nam a2200205 a 4500
001 1736936
005 2017-07-04
008 2009 bl uuuu u0uu1 u #d
100 1 $aCRUZ, C. J. D. da
245 $aEstudo das características da composição química de solução de solo em área agrícola (2009).
260 $aPlanaltina, DF: Embrapa Cerrados$c2009
300 $c1 folder.
650 $asoil chemistry
650 $asoil nutrients
650 $aCerrado
650 $aSolo
653 $aNutrientes
653 $aSavanna
700 1 $aVARGAS, L. M. P.
700 1 $aMUNIZ, D. H. de F.
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Embrapa Cerrados (CPAC) |
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