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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2024.8
- 수록면
- 245 - 252 (8page)
이용수
초록· 키워드
오류제보하기
Reclaimed tideland (RTL) soils, which are created in the coastal area may play a sink role of atmospheric CO₂ with cultivation due to their low soil organic carbon (SOC) content. The wet oxidation method with an oxidizing reagent (e.g., K₂Cr₂O₇) and the dry combustion method using elemental analyzers are conventionally used to determine the SOC content of RTL soils. The RTL soils are characterized by the presence of inorganic carbonate and chloride (Cl⁻), which may potentially interfere with the SOC analysis. In this study, we explored the potential limitation of SOC determination using these methods to suggest a suitable method for the determination of SOC of RTL soils. Using wet oxidation, SOC is specifically determined by ruling out the potential interference of carbonate. However, Cl- is also oxidized to Cl₂ by consuming the oxidizing reagent, leading to an overestimation of SOC. Therefore, the removal of Cl via precipitation with Ag₂SO₄ is required. Dry combustion is a quick and simple method for the analysis of SOC. However, not only SOC but also inorganic C is combusted to CO₂, resulting in an overestimation of SOC. Although several methods for the removal of carbonate using acids are proposed, the procedure is time-consuming and inaccurate, and the residual acid may cause instrument failure. Most critically, acid treatment may deteriorate SOC to cause an underestimation of SOC. Given the advantages and disadvantages of the methods, we suggest that the wet oxidation after the removal of Cl⁻ interference is the most suitable procedure for the determination of SOC for RTL soils.
목차
ABSTRACT
Introduction
Principles of Soil Carbon Analysis Methods
Suggestions for the Analysis of Organic Carbon of Reclaimed Tideland Soils
Conclusions
References
참고문헌 (29)
참고문헌 신청
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Batjes NH. 1996. Total carbon and nitrogen in the soils of the world. Eur. J. Soil Sci. 47:151-163. https://doi.org/10.1111/j.1365-2389.1996.tb01386.x
Bisutti I, Hilke I, Raessler M. 2004. Determination of total organic carbon – an overview of current methods. TRAC-Trend. Anal. Chem. 23:716-726. https://doi.org/10.1016/j.trac.2004.09.003
Blanco-Canqui H, Shapiro CA, Wortmann CS, Drijber RA, Mamo M, Shaver TM, Ferguson RB. 2013. Soil organic carbon: The value to soil properties. J. Soil Water Conserv. 68:129A-134A. https://doi.org/10.2489/jswc.68.5.129A
De Vos B, Lettens S, Muys B, Deckers JA. 2007. Walkley–Black analysis of forest soil organic carbon: recovery, limitations and uncertainty. Soil Use Manage. 23:221-229. https://doi.org/10.1111/j.1475-2743.2007.00084.x
Batjes NH. 1996. Total carbon and nitrogen in the soils of the world. Eur. J. Soil Sci. 47:151-163. https://doi.org/10.1111/j.1365-2389.1996.tb01386.x
Bisutti I, Hilke I, Raessler M. 2004. Determination of total organic carbon – an overview of current methods. TRAC-Trend. Anal. Chem. 23:716-726. https://doi.org/10.1016/j.trac.2004.09.003
Blanco-Canqui H, Shapiro CA, Wortmann CS, Drijber RA, Mamo M, Shaver TM, Ferguson RB. 2013. Soil organic carbon: The value to soil properties. J. Soil Water Conserv. 68:129A-134A. https://doi.org/10.2489/jswc.68.5.129A
De Vos B, Lettens S, Muys B, Deckers JA. 2007. Walkley–Black analysis of forest soil organic carbon: recovery, limitations and uncertainty. Soil Use Manage. 23:221-229. https://doi.org/10.1111/j.1475-2743.2007.00084.x
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