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Published online 24 October 2007
Published in J Environ Qual 36:1775-1783 (2007)
DOI: 10.2134/jeq2007.0071
© 2007 American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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Soil Carbon and Nitrogen in 28-Year-Old Land Uses in Reclaimed Coal Mine Soils of Ohio

Raj K. Shrestha* and Rattan Lal

School of Environment and Natural Resources, The Ohio State Univ., 2021 Coffey Road, Columbus, Ohio 43210


Figure 1
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  		Fig. 1. Soil inorganic carbon concentration at different land use areas in Morgan County, Ohio. Land uses with the same letters are not different at 0.05%.

 

Figure 2
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  		Fig. 2. The soil organic carbon (SOC) determination for reclaimed mine soil by direct method by analyzing in a CN analyzer after removing inorganic C and indirect method by subtracting inorganic carbon (IC) from total carbon (TC).

 

Figure 3
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  		Fig. 3. Soil organic carbon pool for different land uses in reclaimed mine soil in southeastern Ohio. Land uses with the same letters are not different at 0.05. NS, not significant.

 

Figure 4
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  		Fig. 4. Soil nitrogen pool for different land uses in reclaimed mine soil in southeastern Ohio. Land uses with the same letters are not different at 0.05. NS, not significant

 

Figure 5
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  		Fig. 5. Relationship of soil aggregate size fraction (0- to 5-cm depth) with total nitrogen and organic carbon concentrations for different postreclamation land uses. *Significant at 0.01. **Significant at 0.02.

 

Figure 6
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  		Fig. 6. Relationship of soil organic carbon concentration with root biomass, bulk density, and electrical conductivity.

 




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Copyright © 2007 by the American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America.