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July 15, 2026Geoderma RegionalOpen Access

Spatial arrangement of livestock-forest integration systems enhances soil organic carbon associated with aggregates in a Cambisol in the Brazilian semi-arid region

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Authors

TSThamirys Suelle da SilvaCSCrislâny Canuto dos SantosRSRodrigo Gregório da Silva

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Overview

Randomized trial demonstrates improved soil organic carbon stocks in integrated livestock-forest systems, indicating a sustainable land-use strategy.

Key Points

  • This study aims to evaluate the impact of integrated livestock–forest systems on soil organic carbon stocks associated with soil aggregates.
  • Implemented four integrated livestock–forest systems with different crops: sorghum, forage cactus, massai grass, and buffel grass.
  • Collected soil samples from depths of 0–10, 10–20, 20–30, and 30–50 cm; conducted dry combustion for SOC analysis.
  • Compared spacing of native vegetation strips at 7 m and 28 m.
  • Sorghum and buffel grass in 28 m spacing increased SOC stocks in macroaggregates (>2 mm) by 55% and 46% in the 0–10 cm layer, respectively.
  • Conversion from native vegetation to ILF systems altered aggregate fraction distribution and SOC stocks.
  • The 28 m spacing significantly increased macroaggregate-associated SOC compared to 7 m spacing.

Cite This Study

Silva et al. (2026) studied this question.

synapsesocial.com/papers/6a57231a88b21df87547fd85https://doi.org/10.1016/j.geodrs.2026.e01114
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