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The Walkley–Black method, a widely used technique for estimating soil organic carbon, offers rapid and cost-effective analysis despite incomplete oxidation, typically recovering 60–86% of SOC and requiring a correction factor for accuracy. Despite these drawbacks, the method continues to be a standard in soil testing laboratories for rapid SOC assessment. The dry combustion method, conducted at high temperatures, determines the total carbon content of soils using a CHN analyzer.

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Determination of Total Soil Organic Carbon (Dry Combustion Method)

  • 章节

  • 发表日期：

    2026年

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

摘要

The Walkley–Black method, a widely used technique for estimating soil organic carbon, offers rapid and cost-effective analysis despite incomplete oxidation, typically recovering 60–86% of SOC and requiring a correction factor for accuracy. Despite these drawbacks, the method continues to be a standard in soil testing laboratories for rapid SOC assessment. The dry combustion method, conducted at high temperatures, determines the total carbon content of soils using a CHN analyzer.