Soils

The Iowa NRCS Soils Program provides quality soil, geographic, and resources information, products, and services to internal and external customers.

• Soil Health Website
• Iowa NRCS Soil Health Resources
• Iowa Soil Health Producer Profiles

Web Soil Survey

Web Soil Survey - Web Soil Survey provides soil data and information produced by the National Cooperative Soil Survey. It is operated by the USDA Natural Resources Conservation Service and provides access to the largest natural resource information system in the world.

• SoilWeb 2.0 App Fact Sheet (PDF)
• Published Soil Surveys for Iowa
• Available Soil Surveys and Formats
• Major Land Resource Area (MLRA) Regions Map of Iowa (PDF)
  • Iowa MLRA Soil Survey Offices (PDF, 306 KB)
• Iowa Soil Regions Map (html)
• Iowa Soil Regions Map (PDF, 1.6 MB)
• Official Soil Series Descriptions
• Soil Quality for Environmental Health
• Soil and Land Use - This Iowa State University Agronomy Extension site is intended to provide data related to the agricultural uses of Iowa land.
• Soil Survey & Digital Soil Data: Soil Suitabilities & Interpretation
• Soils Education
• Dig It! The Secrets of Soil

Videos

• How to Differentiate and Identify Soil Horizons (YouTube)
• Soils 101
• Soil Biology Movies

Other Technical Resources

• Cultural Resources
• Ecological Site Descriptions
• eFOTG
• Iowa Phosphorus Index
• RUSLE2
• Iowa Woodland Suitability Recommendations (by Soils Type) (PDF)
• Iowa Soil Survey Correlation Dates Map (PDF) - A map showing the age of all Iowa soil surveys. The dates listed on the map refer to when all work on the survey was completed.