The marginal costs of carbon sequestration: implications of one greenhouse gas mitigation activity.(APPLIED RESEARCH)(Report)

Journal of Soil and Water Conservation, November, 2007 by Sperow, M.

Research suggests that carbon (C) sequestration in agricultural soils could play a meaningful, though not predominant, role in helping mitigate greenhouse gas increases (Bruce et al. 1999; Flach et al. 1997; Lal et al. 1998; Paustian et al. 1997a, 1997b; Sperow et al. 2003). Soil C sequestration may be increased on agricultural land through adoption of activities such as setting aside highly erodible land (HEL) (plant to grass and/or legumes), reducing tillage intensity, including winter cover crops, and decreasing summer fallow. Lal et al. (1998, 1999) estimated that potential soil C sequestration from improved management on US cropland is 75 to 208 Tg C [yr.sup.-1] (82.7 to 229.3 Mtn [yr.sup.-1]) for several decades. Bruce et al. (1999) estimated that US agricultural...

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