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Solubilidade de calcários em extratores químicos

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Repositório Institucional UNESP
Keywords
  • Calcário Agrícola
  • Solubilidade
  • Extrator Químico
  • Agricultural Limestone
  • Solubility
  • Chemical Extractant
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Abstract

The solubility of four limestones (sedimentar and methamorfic) separated in four granulometric fractions were studied using two chemical extractants (solutions of hydrochloric and acetic acids), under different conditions, with the objective of evaluating the efficiency of these materials by means of that criterion. The results, compared with others obtained by incubation with soils, showed that the chemical extractants can not be used to evaluate the agricultural limestones because there was no correlation between solubility, expressed in terms of equivalent of CaCO3, and the efficiency showed in the soil incubation study.

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