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 | Acesso ao texto completo restrito à biblioteca da Embrapa Gado de Corte. Para informações adicionais entre em contato com cnpgc.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Gado de Corte. |
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Data corrente: |
15/01/2020 |
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Data da última atualização: |
16/06/2020 |
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Tipo da produção científica: |
Capítulo em Livro Técnico-Científico |
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Autoria: |
SILVA, E. F. da; MELO, M. F.; SOMBRA, K. E. S.; SILVA, T. S.; FRETIAS, D. F. de; COSTA, M. E. da; SANTOS, E. P. da S.; SILVA, L. F. da; SERRA, A. P.; NEITZKE, P. R. de M. C. |
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Afiliação: |
Eulene Francisco da Silva; Marlenildo Ferreira Melo; Kássio Ewerton Santos Sombra; Tatiane Severo Silva; Diana Ferreira de Freitas; Maria Eugênia da Costa; Eula Paula da Silva Santos; Larissa Fernandes da Silva; ADEMAR PEREIRA SERRA, CNPGC; Paula Romyne de Morais Cavalcante Neitzke. |
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Título: |
Organic nitrogen in agricultural systems. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
In: RIGOBELO, E. (Ed.). Nitrogen Fixation. London, UK: IntechOpen, 2019. |
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DOI: |
DOI: http://dx.doi.org/10.5772/intechopen.90242 |
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Idioma: |
Inglês |
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Conteúdo: |
This work summarizes information about organic nitrogen (N) in the agricultural system. The organic N forms in soils have been studied by identifying and quantifying the released organic compounds when soils are acid treated at high temperature, in which the following organic N fractions are obtained: hydrolyzable total N, subdivided into hydrolyzable NH4 +-N, amino sugars-N, amino acids-N, and unidentified-N and acid insoluble N, a fraction that remains associated with soil minerals after acid hydrolysis. Nitrogen mineralization and immobilization are biochemical processes in nature. This chapter summarizes how these processes occur in the agricultural system. Then, soluble organic nitrogen (SON), volatilization and denitrification processes, and biological nitrogen fixation (BNF) as a key component of the nitrogen cycle and how it makes N available to plants are also discussed. Finally, we discuss the use of organic fertilizers as N source to satisfy the worldwide demand for organic foods produced without synthetic inputs. |
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Palavras-Chave: |
Fertilização orgânica. |
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Thesagro: |
Fixação de Nitrogênio; Mineralização. |
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Thesaurus NAL: |
Mineralization; Organic foods; Soil organic nitrogen. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01977naa a2200313 a 4500
001 2118791
005 2020-06-16
008 2019 bl uuuu u00u1 u #d
024 7 $aDOI: http://dx.doi.org/10.5772/intechopen.90242$2DOI
100 1 $aSILVA, E. F. da
245 $aOrganic nitrogen in agricultural systems.$h[electronic resource]
260 $c2019
520 $aThis work summarizes information about organic nitrogen (N) in the agricultural system. The organic N forms in soils have been studied by identifying and quantifying the released organic compounds when soils are acid treated at high temperature, in which the following organic N fractions are obtained: hydrolyzable total N, subdivided into hydrolyzable NH4 +-N, amino sugars-N, amino acids-N, and unidentified-N and acid insoluble N, a fraction that remains associated with soil minerals after acid hydrolysis. Nitrogen mineralization and immobilization are biochemical processes in nature. This chapter summarizes how these processes occur in the agricultural system. Then, soluble organic nitrogen (SON), volatilization and denitrification processes, and biological nitrogen fixation (BNF) as a key component of the nitrogen cycle and how it makes N available to plants are also discussed. Finally, we discuss the use of organic fertilizers as N source to satisfy the worldwide demand for organic foods produced without synthetic inputs.
650 $aMineralization
650 $aOrganic foods
650 $aSoil organic nitrogen
650 $aFixação de Nitrogênio
650 $aMineralização
653 $aFertilização orgânica
700 1 $aMELO, M. F.
700 1 $aSOMBRA, K. E. S.
700 1 $aSILVA, T. S.
700 1 $aFRETIAS, D. F. de
700 1 $aCOSTA, M. E. da
700 1 $aSANTOS, E. P. da S.
700 1 $aSILVA, L. F. da
700 1 $aSERRA, A. P.
700 1 $aNEITZKE, P. R. de M. C.
773 $tIn: RIGOBELO, E. (Ed.). Nitrogen Fixation. London, UK: IntechOpen, 2019.
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