1. Carbon sequestration in soils;Bruce;J Soil Water Conserv,1999
2. Predicted impact of management changes on soil carbon storage for each cropland region of the conterminous United States;Eve;J Soil Water Conserv,2002
3. Managing US cropland to sequester carbon in soil;Lal;J Soil Water Conserv,1999
4. The potential of US cropland to sequester carbon and mitigate the greenhouse effect;Lal,1998
5. [USDA] US Department of Agriculture, Soil Conservation Service, National Technical Information Service, SCS-TP-158, 1979.