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Biblioteca(s): |
Embrapa Rondônia. |
Data corrente: |
06/06/2022 |
Data da última atualização: |
07/06/2022 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
MATOSO, S. C. G.; WADT, P. G. S.; SOUZA JÚNIOR, V. S. de; PÉREZ, X. L. O. |
Afiliação: |
PAULO GUILHERME SALVADOR WADT, CPAF-RO. |
Título: |
Soil mineralogy-controlled phosphorus availability in soils mixed with phosphate fertiliser and biochar. |
Ano de publicação: |
2022 |
Fonte/Imprenta: |
Environmental Technology, 2022. |
Idioma: |
Inglês |
Notas: |
Online First. |
Conteúdo: |
he biochar amendment to soil proved to be beneficial to improve soil quality and provide nutrients. However, the effect of biochar on the availability of P is still controversial. We aim to study the effect of adding phosphate fertiliser and biochar on the P bioavailability in soils of different mineralogies. Eight biochars derived from biomass (rice husk and coffee husk), soil (sandy and clayey), and phosphate fertiliser (triple superphosphate) were produced. The biochar enrichment process with superphosphate was carried out before and after pyrolysis. Thus, we tested two biochar groups: (1) enriched biochars prior to pyrolysis; (2) enriched biochars after pyrolysis. These biochars were tested as P sources in soils of three mineralogies (kaolinite/oxide, kaolinite, and smectite). Batch sorption-desorption experiments were conducted. The sorbed P was fractionated to examine the factors controlling the retention of applied P. In the three soil mineralogies the use of enriched biochars prior to pyrolysis results in lower availability of P. In contrast, the enriched biochars after pyrolysis increase the bioavailability of P. The coffee husk biochar is more suitable than rice husk biochar to protect P from soil retention reactions. The use of sandy soil rather than clayey soil in enriched biochars compositions results in higher P content availability when applied to soils. The factor that controls the retention of P is the reaction between P, organic compounds, and Fe and Al compounds. The greater the relationship between biochar and soluble P in the fertiliser, the higher the increase of P retention. Menoshe biochar amendment to soil proved to be beneficial to improve soil quality and provide nutrients. However, the effect of biochar on the availability of P is still controversial. We aim to study the effect of adding phosphate fertiliser and biochar on the P bioavailability in soils of different mineralogies. Eight biochars derived from biomass (rice husk and coffee husk), soil (sandy and clayey), and phosphate fertiliser (triple superphosphate) were produced. The biochar enrichment process with superphosphate was carried out before and after pyrolysis. Thus, we tested two biochar groups: (1) enriched biochars prior to pyrolysis; (2) enriched biochars after pyrolysis. These biochars were tested as P sources in soils of three mineralogies (kaolinite/oxide, kaolinite, and smectite). Batch sorption-desorption experiments were conducted. The sorbed P was fractionated to examine the factors controlling the retention of applied P. In the three soil mineralogies the use of enriched biochars prior to pyrolysis results in lower availability of P. In contrast, the enriched biochars after pyrolysis increase the bioavailability of P. The coffee husk biochar is more suitable than rice husk biochar to protect P from soil retention reactions. The use of sandy soil rather than clayey soil in enriched biochars compositions results in higher P content availability when applied to soils. The factor that controls the retention of P is the reaction between P, organic compounds, and Fe and Al com... Mostrar Tudo |
Palavras-Chave: |
Enriched biochar; Organo-mineral associations; Phosphorus availability. |
Thesaurus Nal: |
Biochar; Soil mineralogy. |
Categoria do assunto: |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1143745/1/095933302022-220601-174040.pdf
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Marc: |
LEADER 02316naa a2200229 a 4500 001 2143745 005 2022-06-07 008 2022 bl uuuu u00u1 u #d 100 1 $aMATOSO, S. C. G. 245 $aSoil mineralogy-controlled phosphorus availability in soils mixed with phosphate fertiliser and biochar.$h[electronic resource] 260 $c2022 500 $aOnline First. 520 $ahe biochar amendment to soil proved to be beneficial to improve soil quality and provide nutrients. However, the effect of biochar on the availability of P is still controversial. We aim to study the effect of adding phosphate fertiliser and biochar on the P bioavailability in soils of different mineralogies. Eight biochars derived from biomass (rice husk and coffee husk), soil (sandy and clayey), and phosphate fertiliser (triple superphosphate) were produced. The biochar enrichment process with superphosphate was carried out before and after pyrolysis. Thus, we tested two biochar groups: (1) enriched biochars prior to pyrolysis; (2) enriched biochars after pyrolysis. These biochars were tested as P sources in soils of three mineralogies (kaolinite/oxide, kaolinite, and smectite). Batch sorption-desorption experiments were conducted. The sorbed P was fractionated to examine the factors controlling the retention of applied P. In the three soil mineralogies the use of enriched biochars prior to pyrolysis results in lower availability of P. In contrast, the enriched biochars after pyrolysis increase the bioavailability of P. The coffee husk biochar is more suitable than rice husk biochar to protect P from soil retention reactions. The use of sandy soil rather than clayey soil in enriched biochars compositions results in higher P content availability when applied to soils. The factor that controls the retention of P is the reaction between P, organic compounds, and Fe and Al compounds. The greater the relationship between biochar and soluble P in the fertiliser, the higher the increase of P retention. 650 $aBiochar 650 $aSoil mineralogy 653 $aEnriched biochar 653 $aOrgano-mineral associations 653 $aPhosphorus availability 700 1 $aWADT, P. G. S. 700 1 $aSOUZA JÚNIOR, V. S. de 700 1 $aPÉREZ, X. L. O. 773 $tEnvironmental Technology, 2022.
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Embrapa Rondônia (CPAF-RO) |
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Biblioteca(s): |
Embrapa Instrumentação. |
Data corrente: |
28/03/2005 |
Data da última atualização: |
28/03/2005 |
Autoria: |
GOMES, J.; DICK, D.; SIMÕES, M. L.; MARTIN-NETO, L. |
Título: |
Caracterização de substâncias húmicas de diferentes ambientes pedogênicos. |
Ano de publicação: |
2003 |
Fonte/Imprenta: |
In: ENCONTRO BRASILEIRO DE SUBSTÂNCIAS HÚMICAS, 5., 2003, Curitiba, PR. Grupo Brasileiro da IHSS. Anais... Curitiba: Grupo Brasileiro da IHSS, 2003. p. 87-88. |
Idioma: |
Português |
Conteúdo: |
A matéria orgânica influencia as propriedades físicas, químicas e biológicas do solo, e participa da dinâmica de nutrientes e xenobióticos no ambiente. O processo de formação da matéria orgânica está condicionado pelos fatores pedogênicos, tais como umidade e temperatura. A caracterização química e espectroscópica das substâncias húmicas tem contribuído para a compreensão das transformações na sua composição química e estrutural e nas suas interaçães com a matriz do solo e compostos antropogênicos |
Palavras-Chave: |
Ácido húmico; espéctroscopia; Humina. |
Categoria do assunto: |
-- |
Marc: |
LEADER 01164naa a2200193 a 4500 001 1028903 005 2005-03-28 008 2003 bl --- 0-- u #d 100 1 $aGOMES, J. 245 $aCaracterização de substâncias húmicas de diferentes ambientes pedogênicos. 260 $c2003 520 $aA matéria orgânica influencia as propriedades físicas, químicas e biológicas do solo, e participa da dinâmica de nutrientes e xenobióticos no ambiente. O processo de formação da matéria orgânica está condicionado pelos fatores pedogênicos, tais como umidade e temperatura. A caracterização química e espectroscópica das substâncias húmicas tem contribuído para a compreensão das transformações na sua composição química e estrutural e nas suas interaçães com a matriz do solo e compostos antropogênicos 653 $aÁcido húmico 653 $aespéctroscopia 653 $aHumina 700 1 $aDICK, D. 700 1 $aSIMÕES, M. L. 700 1 $aMARTIN-NETO, L. 773 $tIn: ENCONTRO BRASILEIRO DE SUBSTÂNCIAS HÚMICAS, 5., 2003, Curitiba, PR. Grupo Brasileiro da IHSS. Anais... Curitiba: Grupo Brasileiro da IHSS, 2003. p. 87-88.
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