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No-Tillage and Soil-Profile Carbon Sequestration: An On-Farm Assessment

Carbon Management and Sequestration Center, FAES/OARDC, School of Natural Resources, 2021 Coffey Rd., Ohio State Univ., Columbus, OH 43210-1085

View larger version (24K): [in this window] [in a new window]   Fig. 1. Mean soil bulk density by management for each Major Land Resource Area across Kentucky, Ohio, and Pennsylvania. Error bars are the LSD values for each depth interval.

View larger version (22K): [in this window] [in a new window]   Fig. 2. Mean soil organic C concentration on a mass basis by management for each Major Land Resource Area across Kentucky, Ohio, and Pennsylvania. Error bars are the LSD values for each depth interval.

View larger version (23K): [in this window] [in a new window]   Fig. 3. Mean soil organic C concentration on an area basis by management for 5-cm soil depth within each sampling depth interval (0–5, 5–10, 10–30, 30–50, and 50–60 cm) for each Major Land Resource Area across Kentucky, Ohio, and Pennsylvania. Error bars represent the LSD values for each depth interval.

View larger version (32K): [in this window] [in a new window]   Fig. 4. Mean soil organic C concentration on an area basis for the whole soil profile (0–60 cm) for no-tillage (NT), plow tillage (PT), and woodlot (WL) management within each selected Major Land Resource Area across Kentucky, Ohio, and Pennsylvania. Bars with the same lowercase letter within each MLRA are not significantly different.