This study examined average annual changes in soil erosion from rainfall and wind forces, and trends in soil organic carbon (SOC). The diversity of geo-climatic land bases and potential feedstocks within the United States Central Great Plains (CGP) requires sustainable production that provides optimal resource utilization while maintaining or enhancing localized soil and environmental quality as much as possible. This study examined average annual changes in soil erosion from rainfall and wind forces and trends in soil organic carbon (SOC) as a function of commodity and/or bioenergy-based crop rotations, yield variations, and different field management practices, including residue removal across all land capability class (LCC) I-VIII soils in select areas of the CGP. Soil erosion and SOC (proxied by a soil conditioning index, or SCI) were analyzed on individual soil map unit components using the Revised Universal Soil Loss Equation, Version 2 (RUSLE2) and Wind Erosion Prediction System (WEPS) models.
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- JPEGFig. 1. USDA-NRCS Crop Management Zones (CMZs) used in this study
- CSVCrop Management Zone 5 2011 Yields
- CSVCrop Management Zone 5 2030 Yields
- CSVCrop Management Zone 15 2011 Yields
- CSVCrop Management Zone 15 2030 Yields
- CSVCrop Management Zone 19 2030 Yields
- CSVCrop Management Zone 19 2011 Yields
- CSVCrop Management Zone 24 2011 Yields
- CSVCrop Management Zone 24 2030 Yields
- CSVCrop Management Zone 40 2011 Yields
- CSVCrop Management Zone 40 2030 Yields
- CSVCrop Management Zone 48 2011 Yields
- CSVCrop Management Zone 48 2030 Yields
