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The hot water extractable carbon (HWEC) refers to the fraction of soil organic carbon that is soluble in hot water. It serves as an indicator for labile carbon, preserving the easily decomposable portion of organic matter. This labile carbon can be readily decomposed by soil microorganisms and plays a crucial role in nutrient cycling and microbial activity in the soil (Strosser 2010). HWEC is primarily used as a key indicator of soil health and quality, and it also reflects the dynamic changes in the organic carbon content of the soil in response to management practices.

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Hot Water Extractable Carbon (HWEC)

  • 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 hot water extractable carbon (HWEC) refers to the fraction of soil organic carbon that is soluble in hot water. It serves as an indicator for labile carbon, preserving the easily decomposable portion of organic matter. This labile carbon can be readily decomposed by soil microorganisms and plays a crucial role in nutrient cycling and microbial activity in the soil (Strosser 2010). HWEC is primarily used as a key indicator of soil health and quality, and it also reflects the dynamic changes in the organic carbon content of the soil in response to management practices.