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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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Soil carbon (T-C) consists of approximately 60% of soil organic carbon (SOC) and 40% of soil inorganic carbon (SIC), but many researches has focused mainly on SOC. This study aimed to evaluate the effects of soil chemical properties on SOC and SIC contents in three different agricultural soils. The soils in an organic farming, calcareous, and reclaimed tidal soil were sampled for analysis of T-C, SOC, SIC and other chemical parameters such as soil pH, total nitrogen (T-N), 4-cations, and CEC. We applied the correlation analysis to identify the chemical parameters affecting the SOC and SIC contents in the organic farming, calcareous, and reclaimed tidal soils. Organic farming soil showed the highest SOC content (1.98%), followed by calcareous (1.46%) and reclaimed tidal soils (0.24%) although calcareous soil had the highest T-C content (2.87%), followed by organic farming (2.09%) and reclaimed tidal soil (0.81%), respectively. These were attributed to the difference of SIC contents between the soils since the organic farming, calcareous, and reclaimed tidal soils showed 0.21%, 1.41%, and 0.57% of SIC contents, respectively. The proportions of SOC and SIC contents were 93% and 7% in organic farming soil, 57% and 43% in calcareous soil, and 30% and 70% in reclaimed tidal soil, respectively. The different proportions of SOC and SIC between the soils were influenced by the chemical parameters (Ca<sup>2+</sup> and Mg<sup>2+</sup> and soil pH) since these parameters were significantly correlated with SIC contents.
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ABSTRACT
Introduction
Materials and Methods
Results and Discussion
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