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March 6, 2026MicroorganismsOpen Access

Effects of Microbial Inoculants on Carbon, Nitrogen, and Phosphorus Stoichiometry of Soil Aggregates

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Authors

RXRengui XueCLChong LiXLXin Liu

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Overview

Experiments reveal microbial inoculants alter nutrient availability in soil aggregates, indicating their potential in restoration efforts.

Key Points

  • This research aims to investigate how microbial inoculants affect nutrient cycling in soil aggregates over time and plant conditions.
  • Conducted 1-year and 3-year pot experiments with Bacillus thuringiensis and Gongronella butleri.
  • Evaluated aggregate size distribution, mean weight diameter, soil nutrients, microbial biomass, and enzyme activities.
  • Tested conditions with and without plants to assess microbial effects.
  • Under 3-year plant-present conditions, NL-11 and NL-15 increased macroaggregate proportions and stability.
  • NL-15 enhanced organic carbon and total nitrogen by 55–59% in macro- and meso-aggregates without plants.
  • In 1-year no-plant macroaggregates, NL-11 increased microbial biomass phosphorus and reduced C/P and N/P ratios.
  • Both inoculants boosted invertase activity and plant presence increased acid phosphatase activity.

Cite This Study

Xue et al. (2026) studied this question.

synapsesocial.com/papers/69aa70e7531e4c4a9ff5b29ehttps://doi.org/10.3390/microorganisms14030583
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