| |
|
|
|
Registro Completo |
|
Biblioteca(s): |
Embrapa Solos. |
|
Data corrente: |
10/11/2021 |
|
Data da última atualização: |
10/11/2021 |
|
Tipo da produção científica: |
Artigo em Periódico Indexado |
|
Autoria: |
VALLADARES, G. S.; PEREIRA, M. G.; BENITES, V. de M.; ANJOS, L. H. C. dos; EBELING, A. G.; GUARESCHI, R. F. |
|
Afiliação: |
GUSTAVO SOUZA VALLADARES, UFPI; MARCOS GERVASIO PEREIRA, UFRRJ; VINICIUS DE MELO BENITES, CNPS; LÚCIA HELENA CUNHA DOS ANJOS, UFRRJ; ADIERSON GILVANI EBELING, INCRA; RONI FERNANDES GUARESCHI, UFRRJ. |
|
Título: |
Carbon and nitrogen stocks and humic fractions in Brazilian organosols. |
|
Ano de publicação: |
2016 |
|
Fonte/Imprenta: |
Revista Brasileira de Ciência do Solo, v. 40, e0151317, 2016. |
|
DOI: |
https://doi.org/10.1590/18069657rbcs20151317 |
|
Idioma: |
Inglês |
|
Conteúdo: |
Despite limited geographic expression of Organosols in Brazil, their high carbon storage capacity and natural environmental vulnerability justifies further studies on C and N stocks in these soils and their relationship to the nature of organic matter. Evaluation of physical and chemical properties of organic soils and their ability to store C is important so as to develop sustainable management practices for their preservation. The objectives of the study were to measure the total organic carbon stock (OCst), total nitrogen stock (Nst), and humic fractions in Organosols from different environments and regions of Brazil, and to correlate the data with soil chemical (pH, P, K, Ca2+, Mg2+, Al3+, H+Al, CEC, V) and physical properties (soil bulk density, Bd; organic matter density, OMd; total pore space, TPS; minimum residue, MinR; and proportion of mineral matter, MM), and degree of organic matter decomposition (rubbed fiber content; pyrophosphate index, PyI; and von Post index). For that purpose, 18 Organosol profiles, in a total of 49 horizons, were sampled under different land usage and plant coverage conditions. The profiles were located in the following Brazilian states - Alagoas, Bahia, Distrito Federal, Espírito Santo, Mato Grosso do Sul, Minas Gerais, Paraná, Rio de Janeiro, Rio Grande do Sul, Santa Catarina, and São Paulo. The OCst and Nst varied significantly among horizons and profiles. The Organosols exhibited, on average, 203.59 Mg ha-1 OCst and 8.30 Mg ha-1 Nst, and the highest values were found in profiles with pasture usage. The content of the humic fraction (humin, HUM; fulvic acid, FAF; and humic acid, HAF) and C storage varied in the soil horizons and profiles according to the degree of decomposition and other factors of soil formation. The OCst, Nst, OMd and the C stocks in the humic fractions were positively correlated. The values of acidity were lower in the soils with higher contents of mineral material, and low pH values were related to a high C/N ratio. The OCst and Nst were correlated with different soil properties, the most important being the degree of soil organic matter decomposition, which was inversely correlated. MenosDespite limited geographic expression of Organosols in Brazil, their high carbon storage capacity and natural environmental vulnerability justifies further studies on C and N stocks in these soils and their relationship to the nature of organic matter. Evaluation of physical and chemical properties of organic soils and their ability to store C is important so as to develop sustainable management practices for their preservation. The objectives of the study were to measure the total organic carbon stock (OCst), total nitrogen stock (Nst), and humic fractions in Organosols from different environments and regions of Brazil, and to correlate the data with soil chemical (pH, P, K, Ca2+, Mg2+, Al3+, H+Al, CEC, V) and physical properties (soil bulk density, Bd; organic matter density, OMd; total pore space, TPS; minimum residue, MinR; and proportion of mineral matter, MM), and degree of organic matter decomposition (rubbed fiber content; pyrophosphate index, PyI; and von Post index). For that purpose, 18 Organosol profiles, in a total of 49 horizons, were sampled under different land usage and plant coverage conditions. The profiles were located in the following Brazilian states - Alagoas, Bahia, Distrito Federal, Espírito Santo, Mato Grosso do Sul, Minas Gerais, Paraná, Rio de Janeiro, Rio Grande do Sul, Santa Catarina, and São Paulo. The OCst and Nst varied significantly among horizons and profiles. The Organosols exhibited, on average, 203.59 Mg ha-1 OCst and 8.30 Mg ha-1 Nst, a... Mostrar Tudo |
|
Palavras-Chave: |
Histic horizon; Physical and chemical properties. |
|
Thesagro: |
Matéria Orgânica; Solo. |
|
Thesaurus Nal: |
Humic substances; Soil organic matter. |
|
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
|
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/227591/1/Carbon-and-nitrogen-stocks-and-humic-fractions-in-Brazilian-organosols-2016.pdf
|
|
Marc: |
LEADER 03003naa a2200265 a 4500
001 2135980
005 2021-11-10
008 2016 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1590/18069657rbcs20151317$2DOI
100 1 $aVALLADARES, G. S.
245 $aCarbon and nitrogen stocks and humic fractions in Brazilian organosols.$h[electronic resource]
260 $c2016
520 $aDespite limited geographic expression of Organosols in Brazil, their high carbon storage capacity and natural environmental vulnerability justifies further studies on C and N stocks in these soils and their relationship to the nature of organic matter. Evaluation of physical and chemical properties of organic soils and their ability to store C is important so as to develop sustainable management practices for their preservation. The objectives of the study were to measure the total organic carbon stock (OCst), total nitrogen stock (Nst), and humic fractions in Organosols from different environments and regions of Brazil, and to correlate the data with soil chemical (pH, P, K, Ca2+, Mg2+, Al3+, H+Al, CEC, V) and physical properties (soil bulk density, Bd; organic matter density, OMd; total pore space, TPS; minimum residue, MinR; and proportion of mineral matter, MM), and degree of organic matter decomposition (rubbed fiber content; pyrophosphate index, PyI; and von Post index). For that purpose, 18 Organosol profiles, in a total of 49 horizons, were sampled under different land usage and plant coverage conditions. The profiles were located in the following Brazilian states - Alagoas, Bahia, Distrito Federal, Espírito Santo, Mato Grosso do Sul, Minas Gerais, Paraná, Rio de Janeiro, Rio Grande do Sul, Santa Catarina, and São Paulo. The OCst and Nst varied significantly among horizons and profiles. The Organosols exhibited, on average, 203.59 Mg ha-1 OCst and 8.30 Mg ha-1 Nst, and the highest values were found in profiles with pasture usage. The content of the humic fraction (humin, HUM; fulvic acid, FAF; and humic acid, HAF) and C storage varied in the soil horizons and profiles according to the degree of decomposition and other factors of soil formation. The OCst, Nst, OMd and the C stocks in the humic fractions were positively correlated. The values of acidity were lower in the soils with higher contents of mineral material, and low pH values were related to a high C/N ratio. The OCst and Nst were correlated with different soil properties, the most important being the degree of soil organic matter decomposition, which was inversely correlated.
650 $aHumic substances
650 $aSoil organic matter
650 $aMatéria Orgânica
650 $aSolo
653 $aHistic horizon
653 $aPhysical and chemical properties
700 1 $aPEREIRA, M. G.
700 1 $aBENITES, V. de M.
700 1 $aANJOS, L. H. C. dos
700 1 $aEBELING, A. G.
700 1 $aGUARESCHI, R. F.
773 $tRevista Brasileira de Ciência do Solo$gv. 40, e0151317, 2016.
Download
Esconder MarcMostrar Marc Completo |
|
Registro original: |
Embrapa Solos (CNPS) |
|
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
URL |
Voltar
|
|
|
| Registros recuperados : 26 | |
| 8. |  | EBELING, A. G.; ANJOS, L. H. C. dos; PEREZ, D. V.; PEREIRA, M. G.; GOMES, F. W. de F. Atributos químicos, carbono orgânico e substâncias húmicas em Organossolos háplicos de várias regiões do Brasil. Revista Brasileira de Ciência do Solo, v. 35, n. 2, p. 325-336, abr. 2011.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
| Biblioteca(s): Embrapa Solos. |
|    |
| 9. | | PEREIRA, M. G.; VALLADARES, G. S.; ANJOS, L. H. C.; EBELING, A. G.; BENITES, V. de M. Characterization of histosol: proposal to the brazilian soil classification system. In: WORLD CONGRESS OF SOIL SCIENCE, 18th., 2006, Philadelphia. Abstracts... Philadelphia, USA, 2006. p.59| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Territorial. |
| |
| 13. | | EBELING, A. G.; PEREZ, D. V.; ANJOS, L. H. C. dos; PEREIRA, M. G.; VALLADARES, G. S. Interação do alumínio com as frações orgânicas de Organossolos em ambientes altimontanos e de várzea. In: CONGRESSO BRASILEIRO DE CIÊNCIA DO SOLO, 32., 2009, Fortaleza. O solo e a produção de bioenergia: perspectivas e desafios. [Viçosa, MG]: SBCS; Fortaleza: UFC, 2009. 1 CD-ROM.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Solos. |
| |
| 17. | | GOMES, F. W. de F.; EBELING, A. G.; ANJOS, L. H. C. dos; PEREIRA, M. G.; PEREZ, D. V. Fracionamento químico da matéria orgânica de Organossolos no estado do Rio de Janeiro. In: CONGRESSO BRASILEIRO DE CIÊNCIA DO SOLO, 32., 2009, Fortaleza. O solo e a produção de bioenergia: perspectivas e desafios. [Viçosa, MG]: SBCS; Fortaleza: UFC, 2009. 1 CD-ROM.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Solos. |
| |
| 18. | | EBELING, A. G.; ANJOS, L. H. C. dos; PEREZ, D. V.; PEREIRA, M. G.; VALLADARES, G. S. Relação entre acidez e outros atributos químicos em solos com teores elevados de matéria orgânica. Bragantia, Campinas, v. 67, n. 2, p. 261-266, 2008.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: Nacional - A |
| Biblioteca(s): Embrapa Solos; Embrapa Territorial. |
| |
| 20. | | ANJOS, L. H. C.; JÚNIOR EBELING, A. G.; PEREZ, D. V.; VALLADARES, G. S.; PEREIRA, M. G. A Spectrophotometric method for aluminum in histosols. In: WORLD CONGRESS OF SOIL SCIENCE, 18th., 2006, Philadelphia. Abstracts... Philadelphia, USA, 2006. p. 94.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Territorial. |
| |
| Registros recuperados : 26 | |
|
| Nenhum registro encontrado para a expressão de busca informada. |
|
|
