Effectiveness of the soil conditioning index as a carbon management tool in the southeastern USA based on comparison with EPIC.(Erosion Productivity-Impact Calculator, Environmental Policy Integrated Climate)
Journal of Soil and Water Conservation, March, 2007 by Abrahamson, D.A.; Causarano, H.J.; Franzluebbers, A.J.; Norfleet, M.L.; Shaw, J.N.; Williams, J.R.
Models are being developed and utilized by scientists and government agencies to quantify the potential for carbon storage in soil. The Environmental Policy Integrated Climate (EPIC) v. 3060 model is a process-based model requiring detailed inputs. The soil conditioning index (SCI) is a simpler tool to predict relative change in soil organic carbon (SOC) using table values for three management components (i.e., organic matter, field operations, and erosion) within the framework of the Revised Universal Soil Loss Equation 2 model. Our objective was to determine whether SOC sequestration from no-tillage cropping systems in the southeastern USA could be simply predicted with SCI compared with detailed simulations using EPIC. Four management systems were evaluated: (1) cotton...
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