What Is CSR2, and Why Does It Matter When Pricing Iowa Farmland?

When buying or selling farmland in Iowa, one of the most important factors influencing value is soil productivity. Across the state, landowners, farmers, investors, lenders, and appraisers often rely on one number when comparing farms: CSR2.

While CSR2 is not the only factor that determines farmland value, it provides a standardized way to compare the productive potential of Iowa soils. Understanding what it means, how it is calculated, and how buyers use it can help landowners make more informed decisions when selling farmland.

What Is CSR2?

CSR2 stands for Corn Suitability Rating 2. Developed by Iowa State University, CSR2 is an index that measures the inherent productivity of Iowa soils for row crop production under average management practices. Ratings generally range from 5 to 100, with higher numbers indicating soils that have greater long-term production potential.

Unlike crop yields, CSR2 is not influenced by current farming practices or yearly weather conditions. Instead, it measures the natural capability of the soil itself.

How Is CSR2 Calculated?

Every soil type in Iowa has its own predetermined CSR2 value based on decades of soil research conducted by Iowa State University. The rating is calculated using several characteristics of the soil, including its soil series, natural drainage, water-holding capacity, rooting depth, slope, erosion potential, and climate.

Most farms contain multiple soil types, each with a different CSR2 rating. Rather than assigning one number to an entire property, the farm’s overall CSR2 is calculated as a weighted average based on how many acres each soil type occupies.

For example, if one soil type covers 50 acres with a CSR2 of 90 and another covers 50 acres with a CSR2 of 70, the farm would have an average CSR2 of 80. This standardized approach allows buyers, appraisers, and lenders to compare farmland productivity across Iowa using a common benchmark.

Why Does CSR2 Matter?

Iowa farmland is not valued simply by the number of acres. Two farms located only a few miles apart can have dramatically different values because of differences in soil productivity.

Buyers often use CSR2 to evaluate:

• Long-term yield potential
• Cash rent potential
• Production consistency
• Investment quality
• Future resale value

Higher CSR2 farms often attract more buyer interest because they represent highly productive farmland with reliable income potential. However, CSR2 should always be viewed as one piece of the overall evaluation.

How CSR2 Impacts Different Areas of Iowa

One of the unique aspects of Iowa farmland is how much the landscape changes across the state.

Northwest Iowa

Northwest Iowa is home to some of the state’s highest CSR2 ratings thanks to deep, fertile soils and relatively level topography. These farms are often among the most productive in Iowa and consistently generate strong buyer demand.

Central Iowa

Central Iowa farmland combines excellent soils with strong farming infrastructure, quality road systems, and access to grain markets. These factors help support some of the strongest farmland values in the Midwest.

Northeast Iowa

Northeast Iowa offers a much more diverse landscape consisting of rolling hills, valleys, timber, river corridors, and highly productive ridge tops. While CSR2 remains an important consideration, buyers also place significant emphasis on additional factors such as:

• Pattern tile
• Field shape
• Drainage improvements
• Accessibility
• Recreational opportunities
• Hunting potential

It is common for a farm with a moderate CSR2 rating but excellent drainage, field efficiency, and recreational appeal to command a premium in today’s market.

CSR2 Is Important, But It Is Not the Whole Story

Although CSR2 is one of the best tools available for comparing Iowa farmland, it should never be viewed as the only measure of value.

Additional factors that influence farmland prices include:

• Location
• Tillable acreage
• Drainage improvements
• Field size and shape
• Road frontage and access
• Cash rental history
• Conservation programs
• Development potential
• Recreational value

For example, a 100-acre farm with 90 highly productive tillable acres, extensive pattern tile, and excellent road access may sell for more than a larger farm with a similar CSR2 but poor layout or limited usability.

Every property has a unique combination of characteristics that ultimately determine its market value.

Why Landowners Should Understand CSR2 Before Selling

Understanding your farm’s CSR2 provides valuable insight into how buyers are likely to evaluate your property.

A strong farmland marketing package should include:

• Total acres
• Tillable acres
• Average CSR2
• Soil maps
• Drainage improvements
• Production history
• Rental information
• Location advantages

Today’s buyers are more informed than ever. Before scheduling a showing, many are already reviewing aerial imagery, soil maps, productivity reports, and county data online. Presenting this information professionally helps buyers understand the true value of a property before auction day or negotiations begin.

Final Thoughts

CSR2 has become the standard benchmark for evaluating Iowa farmland because it provides a consistent way to compare soil productivity across the state. While it is one of the most important measurements buyers consider, it is only one part of determining what farmland is truly worth.

The highest-value farms combine productive soils with strong management, efficient field layouts, quality drainage, excellent access, and desirable locations.

If you’re considering selling farmland or simply want to better understand your property’s value, a professional land evaluation can help you identify the factors that matter most in today’s market.

If you have questions about selling farmland or would like a no-obligation land evaluation, contact Ethan Stubbs at (608) 306-1788.