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Registro Completo |
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
16/09/2013 |
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Data da última atualização: |
19/02/2015 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
MORALES, M. M.; COMERFORD, N.; GUERRINI, I. A.; FALCÃO, N. P. S.; REEVES, J. B. |
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Afiliação: |
MARINA MOURA MORALES, CNPF; UNIVERSITY OF FLORIDA; UNESP; INPA; ENVIRONMENTAL MANAGEMENT AND BYPRODUCTS UTILIZATION LAB. |
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Título: |
Sorption and desorption of phosphate on biochar and biochar-soil mixtures. |
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Ano de publicação: |
2013 |
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Fonte/Imprenta: |
Soil Use and Management, v. 29, p. 306-314, Sept. 2013. |
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Idioma: |
Inglês |
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Conteúdo: |
The term biochar refers to materials with diverse chemical, physical and physicochemical characteristics that have potential as a soil amendment. The purpose of this study was to investigate the P sorption/desorption properties of various slow biochars and one fast pyrolysis biochar and to determine how a fast pyrolysis biochar influences these properties in a degraded tropical soil. The fast pyrolysis biochar was a mixture of three separate biochars: sawdust, elephant grass and sugar cane leaves. Three other biochars were made by slow pyrolysis from three Amazonian tree species (Lacre, Inga and Embauba) at three temperatures of formation (400 °C, 500 °C, 600 °C). Inorganic P was added to develop sorption curves and then desorbed to develop desorption curves for all biochar situations. For the slow pyrolysis, the 600 ºC biochar had a reduced capacity to sorb P (4–10 times less) relative to those biochars formed at 400 °C and 500 °C. Conversely, biochar from Inga desorbed the most P. The fast pyrolysis biochar, when mixed with degraded tropical mineral soil, decreased the soil’s P sorption capacity by 55% presumably because of the high soluble, inorganic P prevalent in this biochar (909 mg P/kg of biochar). Phosphorus desorption from the fast pyrolysis biochar/soil mixture not only exhibited a common desorption curve but also buffered the soil solution at a value of ca. 0.2 mg/L. This study shows the diversity in P chemistry that can be expected when biochar is a soil amendment and suggests the potential to develop biochars with properties to meet specific objectives. MenosThe term biochar refers to materials with diverse chemical, physical and physicochemical characteristics that have potential as a soil amendment. The purpose of this study was to investigate the P sorption/desorption properties of various slow biochars and one fast pyrolysis biochar and to determine how a fast pyrolysis biochar influences these properties in a degraded tropical soil. The fast pyrolysis biochar was a mixture of three separate biochars: sawdust, elephant grass and sugar cane leaves. Three other biochars were made by slow pyrolysis from three Amazonian tree species (Lacre, Inga and Embauba) at three temperatures of formation (400 °C, 500 °C, 600 °C). Inorganic P was added to develop sorption curves and then desorbed to develop desorption curves for all biochar situations. For the slow pyrolysis, the 600 ºC biochar had a reduced capacity to sorb P (4–10 times less) relative to those biochars formed at 400 °C and 500 °C. Conversely, biochar from Inga desorbed the most P. The fast pyrolysis biochar, when mixed with degraded tropical mineral soil, decreased the soil’s P sorption capacity by 55% presumably because of the high soluble, inorganic P prevalent in this biochar (909 mg P/kg of biochar). Phosphorus desorption from the fast pyrolysis biochar/soil mixture not only exhibited a common desorption curve but also buffered the soil solution at a value of ca. 0.2 mg/L. This study shows the diversity in P chemistry that can be expected when biochar is a soil amendme... Mostrar Tudo |
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Palavras-Chave: |
Biocarvão. |
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Thesagro: |
Fósforo. |
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Thesaurus Nal: |
biochar; desorption; phosphorus; sorption. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02261naa a2200241 a 4500
001 1966320
005 2015-02-19
008 2013 bl uuuu u00u1 u #d
100 1 $aMORALES, M. M.
245 $aSorption and desorption of phosphate on biochar and biochar-soil mixtures.$h[electronic resource]
260 $c2013
520 $aThe term biochar refers to materials with diverse chemical, physical and physicochemical characteristics that have potential as a soil amendment. The purpose of this study was to investigate the P sorption/desorption properties of various slow biochars and one fast pyrolysis biochar and to determine how a fast pyrolysis biochar influences these properties in a degraded tropical soil. The fast pyrolysis biochar was a mixture of three separate biochars: sawdust, elephant grass and sugar cane leaves. Three other biochars were made by slow pyrolysis from three Amazonian tree species (Lacre, Inga and Embauba) at three temperatures of formation (400 °C, 500 °C, 600 °C). Inorganic P was added to develop sorption curves and then desorbed to develop desorption curves for all biochar situations. For the slow pyrolysis, the 600 ºC biochar had a reduced capacity to sorb P (4–10 times less) relative to those biochars formed at 400 °C and 500 °C. Conversely, biochar from Inga desorbed the most P. The fast pyrolysis biochar, when mixed with degraded tropical mineral soil, decreased the soil’s P sorption capacity by 55% presumably because of the high soluble, inorganic P prevalent in this biochar (909 mg P/kg of biochar). Phosphorus desorption from the fast pyrolysis biochar/soil mixture not only exhibited a common desorption curve but also buffered the soil solution at a value of ca. 0.2 mg/L. This study shows the diversity in P chemistry that can be expected when biochar is a soil amendment and suggests the potential to develop biochars with properties to meet specific objectives.
650 $abiochar
650 $adesorption
650 $aphosphorus
650 $asorption
650 $aFósforo
653 $aBiocarvão
700 1 $aCOMERFORD, N.
700 1 $aGUERRINI, I. A.
700 1 $aFALCÃO, N. P. S.
700 1 $aREEVES, J. B.
773 $tSoil Use and Management$gv. 29, p. 306-314, Sept. 2013.
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Embrapa Florestas (CNPF) |
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| Registros recuperados : 12 | |
| 2. |  | KUROZAWA, L. E.; EL-AOUAR, A. A.; SIMÕES, M. R.; AZOUBEL, P. M.; MURR, F. E. X. Determination of thermal conductivity and thermal diffusivity of papaya (Carica papaya L.) as a function of temperature. In: MERCOSUR CONGRESS ON CHEMICAL ENGINEERING, 2.; MERCOSUR CONGRESS ON PROCESS SYSTEMS ENGINEERING, 4., 2005, Rio de Janeiro. Proceedings... Rio de Janeiro: UFRJ, 2005. 1 CD-ROM.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Semiárido. |
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| 3. | | EL-AOUAR, A. A.; AZOUBEL, P. M.; KUROZAWA, L. E.; SIMÕES, M. R.; ANTONIO, G. C.; MURR, F. E. X. Study of shrinkage phenomenon during convective drying of papaya (Carica papaya L.). In: MERCOSUR CONGRESS ON CHEMICAL ENGINEERING, 2.; MERCOSUR CONGRESS ON PROCESS SYSTEMS ENGINEERING, 4., 2005, Rio de Janeiro. Proceedings... Rio de Janeiro: UFRJ, 2005. 1 CD-ROM.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Semiárido. |
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| 4. | | ANTONIO, G. C.; EL-AOUAR, A. A.; AZOUBEL, P. M.; SIMÕES, M. R.; MURR, F. E. X. Modeling of osmotic dehydration of sweet potato (Ipomoea batatas): determination of mass effective diffusivity coefficients. In: MERCOSUR CONGRESS ON CHEMICAL ENGINEERING, 2.; MERCOSUR CONGRESS ON PROCESS SYSTEMS ENGINEERING, 4., 2005, Rio de Janeiro. Proceedings... Rio de Janeiro: UFRJ, 2005. 1 CD-ROM.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Semiárido. |
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| 6. | | CUNHA, T. J. F.; BASSOI, L. H.; RIBEIRO, P. R. de A.; SIMÕES, M. L.; MARTIN NETO, L.; PETRERE, V. G.; SANTANA, R. O. de. Características espectroscópicas de ácidos húmicos provenientes de fontes comerciais, em solo fertirrigado, no Vale do São Francisco. In: CONGRESSO BRASILEIRO DE CIÊNCIA DO SOLO, 31., 2007, Gramado. Conquistas e desafios da ciência do solo brasileira: anais. Porto Alegre: SBCS, 2007. 1 CD-ROM.| Tipo: Artigo em Anais de Congresso / Nota Técnica |
| Biblioteca(s): Embrapa Semiárido. |
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| 8. | | RIBEIRO, P. R. de A.; CUNHA, T. J. F.; BASSOI, L. H.; PETRERI, V. G.; SIMOES, M. L.; MARTIN NETO, L. Grau de humificação de ácidos húmicos extraídos de solo fertirrigado com diferentes fontes de fertilizantes. In: JORNADA DE INICIAÇÃO CIENTÍFICA DA EMBRAPA SEMI-ÁRIDO, 2., 2007, Petrolina. Anais... Petrolina: Embrapa Semi-Árido, 2007. (Embrapa Semi-Árido. Documentos 205)| Tipo: Artigo em Anais de Congresso / Nota Técnica |
| Biblioteca(s): Embrapa Semiárido. |
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| 9. | | STRALIOTTO, R.; PRADO, R. B.; FERRAZ, R. P. D.; SIMÕES, M.; FONTANA, A.; DENARDIN, J. E.; GIONGO, V.; AMARAL, A. J. do; BIANCHI, S. R.; BEDENDO, G. C. Intensificação da agricultura com sustentabilidade. In: TORRES, L. A.; CAMPOS, S. K. (ed.). Megatendências da Ciência do Solo 2030. Brasília, DF: Embrapa, 2022. E-book. cap. 5.| Tipo: Capítulo em Livro Técnico-Científico |
| Biblioteca(s): Embrapa Semiárido; Embrapa Solos; Embrapa Trigo. |
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| 10. | | CUNHA, T. J. F.; MADARI, B. E.; MARTIN NETO, L.; CANELLAS, L. P.; NOVOTNY, E. H.; MELO, V. B.; SIMÕES, M.; SILVA, W. T. L. da; MILORI, D.; PETRERE, V. G.; SANTOS, G. de A. Terra preta de indio "Dark Earth Soils": chemical and spectroscopic characterization of humic acids. In: INTERNATIONAL AGRICHAR INITIATIVE (IAI) 2007 CONFERENCE, 2007, Terrigal, Australia. [Abstracts]. Terrigal: IAI, 2007. p. 38.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Semiárido. |
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| 11. | | CUNHA, T. J. F.; MADARI, B. E.; MARTIN NETO, L.; CANELLAS, L. P.; SIMOES, M. L.; SILVA, W. T. L. da; MILORI, D. M. B. P.; RIBEIRO, L. P.; ANJOS, L. H. C.; SANTOS, G. de A. Humic Acids of the Amazonian Dark Earth Soils: Terra Preta De Índio. In: WORLD CONGRESS OF SOIL SCIENCE, 18., 2006, Philadelphia. Abstracts... Madison: ASA: CSSA: SSSA, 2006. 1 CD-ROM.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Semiárido. |
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| 12. | | FIGUEIREDO, A. H. de; OLIVEIRA, A. S. de; ABRAHÃO, A. A.; LAMBERT, A. C. A.; MIGUEL, B. S. A. S.; MANZATTO, C. V.; ANDRADE, C. A. de; BANDEIRA, D. S.; BOLFE, E. L.; BRITTO, F. G. A. de; NISIYAMA, F. L.; CASTRO, F. F. de; DIAS, F. P.; SILVA, G. B. S. da; ERVILHA, I. C.; SA, I. B.; REZENDE, J. A.; NASCIMENTO, J. A. S. do; POLIDORO, J. C.; HERNANI, L. C.; MORANDI, M. A. B.; SIMÕES, M.; ENRIQUEZ, M. A. da S.; GREEN, M. P. L.; DANIEL, M. H. B.; BASTOS, M. M. T.; FREITAS, P. L. de; BARIZON, R. R. M.; CLEMENTE, R. F.; FERRAZ, R. P. D.; PEREIRA, S. E. M.; PEINADO, T. G.; CAVENDISH, T. A.; FERREIRA, V. de P.; SOARES, W. L. Terra. In: IBAMA. Relatório de qualidade do meio ambiente: RQMA: Brasil 2020. Brasília, DF, 2022. cap. 3, p. 166-231.| Tipo: Capítulo em Livro Técnico-Científico |
| Biblioteca(s): Embrapa Agricultura Digital; Embrapa Meio Ambiente; Embrapa Semiárido; Embrapa Solos. |
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| Registros recuperados : 12 | |
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| Nenhum registro encontrado para a expressão de busca informada. |
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