Water-soluble carbon (WSC), the most mobile and bioavailable fraction of soil organic carbon, is extracted using deionized water, and its concentration is determined through oxidation with potassium dichromate in the presence of sulfuric acid, followed by titration with ferrous ammonium sulfate. Measuring WSC provides insights into the immediate carbon supply for microbial processes and its implications for soil fertility and sustainability.

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Water-Soluble Carbon in Soils (WSC)

  • Santosh Kale,
  • Rakesh S,
  • Pushpajeet Choudhari,
  • Gajanan Sawargaonkar,
  • Ramesh Singh,
  • Mangi Lal Jat

摘要

Water-soluble carbon (WSC), the most mobile and bioavailable fraction of soil organic carbon, is extracted using deionized water, and its concentration is determined through oxidation with potassium dichromate in the presence of sulfuric acid, followed by titration with ferrous ammonium sulfate. Measuring WSC provides insights into the immediate carbon supply for microbial processes and its implications for soil fertility and sustainability.