Microbial-enzymatic coupling drives nitrogen stabilization during static pile composting of rice straw amended with contrasting nitrogen sources.

Qingran Guo, Jiawei Li, Yutao Peng, Jing Li, Hongzhao Li, Xiao Chen, Baige Zhang

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Article in Frontiers in microbiology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

7 authors.

Qingran GuoKey Laboratory for New Technology Research of Vegetable, Vegetable Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou, China.

Jiawei Li *Key Laboratory for New Technology Research of Vegetable, Vegetable Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou, China.

Yutao Peng *School of Agriculture and Biotechnology, Sun Yat-sen University, Shenzhen, China.

Jing LiKey Laboratory for New Technology Research of Vegetable, Vegetable Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou, China.

Hongzhao LiKey Laboratory for New Technology Research of Vegetable, Vegetable Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou, China.

Xiao ChenKey Laboratory for New Technology Research of Vegetable, Vegetable Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou, China.

Baige ZhangKey Laboratory for New Technology Research of Vegetable, Vegetable Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Nitrogen loss during straw composting substantially undermines nutrient recycling efficiency and the agronomic value of finished compost products. Clarifying how different nitrogen sources mediate nitrogen transformation and nitrogen retention in organic fractions is therefore essential for improving compost maturity and nitrogen retention. This study evaluated how three nitrogen-rich amendments with divergent chemical characteristics (chicken manure, fish meal, and soybean powder) influenced nitrogen transformation, organic nitrogen fractionation, enzyme dynamics, and microbial succession during static pile composting of rice straw. Compost maturity varied significantly among treatments (

Indexed as

enzyme activitymicrobial communitynitrogen transformationorganic amendmentsstraw composting

Identifiers

PMID42404797

DOI10.3389/fmicb.2026.1839803

PMCPMC13328361

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