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Summary of Soil Orders in Iowa
Iowa-Soil-Order-Summary-3.0-2013Download… Read More

4 December 2022
Estimated Iowa Farmland by Slope Gradient
Estimated-Percent-and-Acreage-of-Iowa-Farmland-by-Soil-Slope-GradientDownload… Read More

4 December 2022
ISU CALS: “ISU Updates Method for Rating Soil Productivity”
CSR2-NR-3Download… Read More

3 December 2022
CSR2 Background, Update, and Frequently Asked Questions
CSR2-FAQ-FinalDownload… Read More

3 December 2022
A Comparison of Iowa’s Original CSR Index to the new CSR2 Index
CSR-vs-CSR2-PosterDownload… Read More

3 December 2022
CSR2 Equation and Component Values
ISU-CSR2-formula-with-values-V1.1-09Mar15Download… Read More

3 December 2022
Loess-Derived Soils of East-Central IA
Soil-Key-Loess-Derived-01-07Download… Read More

3 December 2022
Prairie-Derived Upland Soils of NW IA
Soil-Key-Prairie-Derived-UplandDownload… Read More

3 December 2022