Addition of Thermotolerant Nitrifying Bacteria During Pig Manure Composting Enhanced Nitrogen Retention and Modified Microbial Composition.

ABSTRACT: Preventing loss of nitrogen during aerobic manure composting is a critical challenge, and introducing microbial agents with specific functions offers a promising solution. This study aimed to explore how Bacillus subtilis F2 (a thermotolerant nitrifying bacterium) affects nitrogen conservation, microbial dynamics, and nitrogen conversion-associated gene abundance during pig manure composting. Relative to the uninoculated controls, adding F2 markedly raised the germination index, nitrate content, and total nitrogen in the final compost, resulting in reduced nitrogen loss. The inoculation led to a distinct succession of bacterial communities, enriching microorganisms associated with fermentation and hydrocarbon degradation, while the fungal communities did not change significantly bet

SUBMITTER: Liu B 

PROVIDER: S-EPMC12029871 | biostudies-literature | 2025 Mar

REPOSITORIES: biostudies-literature