Depth function of stored and sequestered carbon under cotton growing soils of South Gujarat in India
by Suresh M. Bambhaneeya; A. Das; V.P. Usadadia
International Journal of Global Warming (IJGW), Vol. 19, No. 4, 2019

Abstract: Mean SOC stock at 0-15, 15-30, 30-60, 60-90 and 90-120 cm soil depth of irrigated profiles were 15.0, 12.6, 21.5, 19.3 and 15.3 t ha⁻¹, respectively. Similarly, mean SOC stock at above various soil depth of rainfed profiles were 12.2, 10.0, 19.3, 15.6 and 12.7 t ha⁻¹, respectively. SOC stored/sequestered in micro-WSA (<0.25 mm) in irrigated profiles varied widely from 1.7 to 11.7 t ha⁻¹, while the same in rainfed profile soils varied from 1.4 to 20.5 t ha⁻¹. Mean of irrigated profiles with respect to carbon stock associated with micro-WSA <0.25 mm was found slightly lower (5.7 t ha⁻¹) than that of rainfed profiles (6.0 t ha⁻¹). Thus, WSA <0.25 mm size acts as storing/sequestering C within it for long periods.

Online publication date: Mon, 23-Dec-2019

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