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논문 기본 정보

자료유형
학술저널
저자정보
Nuri Baek (Chonnam National University) Se-In Lee (Chonnam National University) Husna Israt Pia1 (Chonnam National University) Seo-Woo Park (Chonnam National University) Eun-Seo Shin (Chonnam National University) Jiyu Lee (Chonnam National University) Han-Yong Kim (Chonnam National University) Woo-Jung Choi (Chonnam National University)
저널정보
한국토양비료학회 한국토양비료학회지 한국토양비료학회지 제58권 제1호
발행연도
2025.2
수록면
133 - 143 (11page)

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초록· 키워드

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The effects of biochar (BC) on methane (CH4) emission may vary with nitrogen (N) fertilization rate, organic inputs, and water management. In this short review, we studied the changes in the direction and magnitude of CH4 emission by BC under these different conditions. Literature data indicated that co-application of BC with N fertilizer may increase or decrease CH₄ emission depending on the N fertilization rates. Although the threshold N fertilization rate for the enhanced CH₄ emission by BC is unclear, it was suggested that N fertilization may enhance BC-induced CH₄ oxidation via the supply of N to methanotrophs. Although organic inputs stimulate CH₄ emission, co-application of BC with organic inputs efficiently decreases CH₄ emission by reducing C substrate availability for methanogens via sorption onto BC particles. The application of BC also enhances CH₄ oxidation under water-saving irrigation to stimulate the methanotroph activity under aerobic conditions. Our study suggests that application of BC may be a measure to mitigate CH₄ emission from paddy soils amended with organic inputs and it may further enhance CH₄ oxidation under water-saving irrigation.

목차

ABSTRACT
Introduction
Literature Search and Data Analysis
N fertilization effects on the changes in CH₄ emission by biochar
Organic Inputs Effects on the Changes in CH₄ Emission by Biochar
Conclusions
References

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