Abstract

The presence of organic C in soil is a key determinant for soil quality and productivity. Soil, being the largest C sinks, also controls the global warming. In this regard, this review focused onto the soil C dynamics, C sequestration potential of soil and related C pools. Detailed discussion of several researches depicted that, C sequestration depends onto soil C saturation deficit, presence of biochemically protected recalcitrant C fractions, aggregation and aggregate associated physically shielded C. On the other hand, labile organic C is the soil nutrient reservoir and is closely related with diversified soil biology. For the sustainable and holistic soil resource management and to mitigate climate change, this study also highlighted the possible management practices towards longer residence time of C in soil.

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