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Registro Completo |
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Biblioteca(s): |
Embrapa Instrumentação. |
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Data corrente: |
20/09/2021 |
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Data da última atualização: |
10/06/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
KLAIC, R.; GAVA JUNIOR, M.; RIBEIRO, C.; FARINAS, C. S. |
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Afiliação: |
CAUE RIBEIRO DE OLIVEIRA, CNPDIA; CRISTIANE SANCHEZ FARINAS, CNPDIA. |
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Título: |
Biological solubilization of phosphate rock by solidstate cultivation to produce eco-friendly fertilizers. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, v. 56, e01441, 2021. |
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Páginas: |
1 - 10 |
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ISSN: |
1678-3921 |
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DOI: |
https://doi.org/10.1590/ S1678-3921.pab2021.v56.01441. |
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Idioma: |
Inglês |
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Conteúdo: |
The objective of this work was to evaluate the solubilization of phosphorus from a phosphate rock by Aspergillus niger, under solidstate cultivation (SSC) in sugarcane (Saccharum officinarum) bagasse, by maximizing the efficiency of citric acid production. The phosphate rock (IPR) chosen for the study is a type of igneous rock with a very low phosphorus solubility, obtained from the Itafós company, in Arraias, in the state of Tocantins, Brazil. The rotatable central composite design (RCCD) was used as a statistical tool to evaluate the effect of the concentrations of the carbon source (sucrose) and of the IPR on the SSC medium as a strategy to improve P solubilization. In the process without the IPR, there was a citric acid production of up to 300 g per kilogram of substrate. The experiments in the RCCD showed that the addition of the IPR affected citric acid production, with values of solubilized P ranging from 1.44 to 2.72 g per kilogram of substrate and of solubilized P yield from 12.96 to 48.94%. The analysis of the solubilized P/ sucrose ratio showed favorable conditions for P solubilization and citric acid production. The obtained solubilized P values are promising considering that the IPR has a very low solubilization, with only 8.6% P2O5. Overall, these findings could contribute to the development of biotechnological processes for producing eco-friendly phosphate fertilizers, as an alternative for a more sustainable agriculture |
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Palavras-Chave: |
Phosphate mineral; Phosphate rock; Solid-state cultivation. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/226184/1/P-Biological-solubilization-of-phosphate-rock-by-solid-....pdf
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Marc: |
LEADER 02185naa a2200229 a 4500
001 2134575
005 2022-06-10
008 2021 bl uuuu u00u1 u #d
022 $a1678-3921
024 7 $ahttps://doi.org/10.1590/ S1678-3921.pab2021.v56.01441.$2DOI
100 1 $aKLAIC, R.
245 $aBiological solubilization of phosphate rock by solidstate cultivation to produce eco-friendly fertilizers.$h[electronic resource]
260 $c2021
300 $a1 - 10
520 $aThe objective of this work was to evaluate the solubilization of phosphorus from a phosphate rock by Aspergillus niger, under solidstate cultivation (SSC) in sugarcane (Saccharum officinarum) bagasse, by maximizing the efficiency of citric acid production. The phosphate rock (IPR) chosen for the study is a type of igneous rock with a very low phosphorus solubility, obtained from the Itafós company, in Arraias, in the state of Tocantins, Brazil. The rotatable central composite design (RCCD) was used as a statistical tool to evaluate the effect of the concentrations of the carbon source (sucrose) and of the IPR on the SSC medium as a strategy to improve P solubilization. In the process without the IPR, there was a citric acid production of up to 300 g per kilogram of substrate. The experiments in the RCCD showed that the addition of the IPR affected citric acid production, with values of solubilized P ranging from 1.44 to 2.72 g per kilogram of substrate and of solubilized P yield from 12.96 to 48.94%. The analysis of the solubilized P/ sucrose ratio showed favorable conditions for P solubilization and citric acid production. The obtained solubilized P values are promising considering that the IPR has a very low solubilization, with only 8.6% P2O5. Overall, these findings could contribute to the development of biotechnological processes for producing eco-friendly phosphate fertilizers, as an alternative for a more sustainable agriculture
653 $aPhosphate mineral
653 $aPhosphate rock
653 $aSolid-state cultivation
700 1 $aGAVA JUNIOR, M.
700 1 $aRIBEIRO, C.
700 1 $aFARINAS, C. S.
773 $tPesquisa Agropecuária Brasileira$gv. 56, e01441, 2021.
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Embrapa Instrumentação (CNPDIA) |
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