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논문 기본 정보

자료유형
학술저널
저자정보
Nuri Baek (Chonnam National University) Husna Israt Pia (Chonnam National University) Seo-Woo Park (Chonnam National University) Eun-Seo Shin (Chonnam National University) Sun-Il Lee (Rural Development Administration) Woo-Jung Choi (Chonnam National University)
저널정보
한국토양비료학회 한국토양비료학회지 한국토양비료학회지 제57권 제3호
발행연도
2024.8
수록면
238 - 244 (7page)

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초록· 키워드

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This study investigated the benefits and potential risks of biochar application using literature data on CH₄ emission from paddy fields (n = 107) and N₂O from upland fields (n = 174). Literature data indicated that biochar application decreases a substantial amount of CH₄ (by 14.4%) from paddy and N₂O (by 22.9%) from upland fields. However, the regression analysis between biochar application and greenhouse gas (GHG) mitigation was not significant, suggesting that the performance of biochar on GHG reduction is not additive due to the diminished capacity of unit-weight biochar to mitigate GHG with increased biochar application rate. Besides, it is also warned that heavy application of biochar may cause soil and food contamination and ecological toxicity because of toxic compounds such as polycyclic aromatic hydrocarbon and heavy metals contained in biochar. An optimal biochar application rate by considering these potential risks of biochar needs to be established to take full advantage of biochar to mitigate GHG and enhance soil carbon sequestration.

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ABSTRACT
Introduction
Materials and Methods
Results and Discussion
Conclusions
References

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