| Registro completo |
| Provedor de dados: |
Rev. Bras. Ciênc. Solo
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| País: |
Brazil
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| Título: |
Evaluation of Sikora instead of SMP buffer to estimate the potential acidity of brazilian soils
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| Autores: |
Santanna,Maria Alice
Kaminski,João
Rheinheimer,Danilo dos Santos
Toledo,Jaderson dos Anjos
Casali,Carlos Alberto
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| Data: |
2011-10-01
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| Ano: |
2011
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| Palavras-chave: |
Soil acidity
Liming
Hazardous chemicals
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| Resumo: |
Despite the efficiency of the Shoemaker, McLean, Pratt (SMP) buffer method in estimating soil acidity, the presence of p-nitrophenol and potassium chromate in the solution, both hazardous substances, has caused increasing environmental concerns. The purpose of this study was to test Sikora method (Sikora, 2006) as an alternative to the adapted SMP buffer method, generally used to estimate potential acidity of Southern Brazilian soils. For the test, 21 soils in the South and Cerrado regions of Brazil were sampled. (1) The potential acidity values of these soils range from 35.95 to 4.02 cmol c kg-1 of soil, reflecting a wide acidity variation. The Sikora buffer does not mimic the adapted SMP buffer used in Southern Brazil, since the former has a low ability to distinguish soils with different acidity from each other, probably due to the higher buffer capacity than of the adapted SMP solution.
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| Tipo: |
Info:eu-repo/semantics/article
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| Idioma: |
Inglês
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| Identificador: |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832011000500025
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| Editor: |
Sociedade Brasileira de Ciência do Solo
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| Relação: |
10.1590/S0100-06832011000500025
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| Formato: |
text/html
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| Fonte: |
Revista Brasileira de Ciência do Solo v.35 n.5 2011
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| Direitos: |
info:eu-repo/semantics/openAccess
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