What question did this study set out to answer?

The central aim is to investigate the effectiveness of iron-modified biochar in reducing nitrogenous gas emissions during pig manure composting.

June 10, 2026Carbon ResearchOpen Access

Mitigating gaseous nitrogen emissions from pig manure composting via iron modified biochar: biotic and abiotic mechanisms

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Authors

DWDong WangChina Tobacco XWXinyuan WeiInstitute of Environment and Sustainable Development in Agriculture YLYu LiuInstitute of Environment and Sustainable Development in Agriculture

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Implication

Randomized trial shows reduced nitrogen emissions in pig manure composting using iron-modified biochar, indicating a promising approach for sustainable agriculture.

Key Points

The central aim is to investigate the effectiveness of iron-modified biochar in reducing nitrogenous gas emissions during pig manure composting.
Iron-modified biochar (FeBC) was compared with pristine biochar (BC) in composting experiments.
Metagenomic analysis was performed to examine microbial gene expression relevant to nitrogen transformation.
Microbial network analysis and structural equation modeling were conducted to assess interactions between variables.
FeBC reduced cumulative NH3 emissions by 46.68% and N2O emissions by 41.69% compared to control.
Metagenomic findings revealed upregulation of genes involved in nitrogen oxidation and denitrification processes.
FeBC led to changes in microbial community structure, enriching nitrogen-retaining functional taxa such as Pseudomonas and Truepera.

Cite This Study

Wang et al. (2026) studied this question.

synapsesocial.com/papers/6a28fe326f82f25be989b999 https://doi.org/10.1007/s44246-026-00271-7

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Implication

Randomized trial shows reduced nitrogen emissions in pig manure composting using iron-modified biochar, indicating a promising approach for sustainable agriculture.

Mitigating gaseous nitrogen emissions from pig manure composting via iron modified biochar: biotic and abiotic mechanisms

Discussion

Member takes

Implication

Key Points

Cite This Study

Mitigating gaseous nitrogen emissions from pig manure composting via iron modified biochar: biotic and abiotic mechanisms

Discussion

Member takes

Implication

Key Points

Cite This Study

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