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The central aim is to assess the impact of koohbanan organic biochar on microbial activity and enzyme activities during in-vessel co-composting of animal manures.

March 10, 2026Results in EngineeringOpen Access

Assessing Compost Stability: Microbial Activity and Maturity Indices in In-Vessel Co-Composting of Animal Manure

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The central aim is to assess the impact of koohbanan organic biochar on microbial activity and enzyme activities during in-vessel co-composting of animal manures.
Analyzed 12 treatments with three cow manure/poultry manure mixtures (50:50, 25:50, 75:25).
Applied varying levels of biochar (5%, 10%, 15%) to each treatment.
Measured enzymatic activities (dehydrogenase, alkaline phosphatase, urease) over time.
Optimal enzyme activities occurred at 75% poultry manure with 15% biochar.
Enzyme activity increased significantly with biochar amendments, particularly dehydrogenase and alkaline phosphatase.
Up to a 210% increase in alkaline phosphatase activity was observed at 10% biochar.

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Implication

Evaluates enzyme activity and compost maturity in in-vessel co-composting of animal manures, suggesting effective waste management strategies.

Cite This Study

Mohammadi et al. (2026) studied this question.

synapsesocial.com/papers/69af958570916d39fea4d2af https://doi.org/10.1016/j.rineng.2026.109864

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Implication

Evaluates enzyme activity and compost maturity in in-vessel co-composting of animal manures, suggesting effective waste management strategies.

Assessing Compost Stability: Microbial Activity and Maturity Indices in In-Vessel Co-Composting of Animal Manure

Key Points

Discussion

Implication

Cite This Study

Assessing Compost Stability: Microbial Activity and Maturity Indices in In-Vessel Co-Composting of Animal Manure

Key Points

Discussion

Implication

Cite This Study

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