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June 19, 2026Geoderma RegionalOpen Access

Soil carbon accrual in Opuntia ficus-indica orchards despite texture-related constraints

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Authors

GGGiuseppe GrecoUniversity of PalermoJDJosé Carlos Batista DubeuxAve Maria UniversityFGFrancesco GarganoUniversity of Palermo

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Overview

Randomized trial evaluates soil carbon storage in Opuntia ficus-indica orchards, suggesting resilience under dry conditions.

Key Points

  • This research investigates how soil texture affects soil organic carbon dynamics in Opuntia ficus-indica orchards over time.
  • Analyzed a 30-year chronosequence of Opuntia ficus-indica agroecosystems.
  • Used depth-normalized and stable isotope analyses to measure SOC accumulation and distribution.
  • Compared SOC gains in clay loam and sandy loam soils.
  • SOC storage increased by approximately 30-40 Mg C ha−1 over 30 years.
  • Relative SOC increases were 50-75% for clay loam and 90-120% for sandy loam soils.
  • Isotope analysis revealed strong incorporation of cactus-derived carbon into soil organic matter.

Cite This Study

Greco et al. (2026) studied this question.

synapsesocial.com/papers/6a34dc5265a5b0777af2c8cahttps://doi.org/10.1016/j.geodrs.2026.e01104
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