Journal or Book Title
Science Herald National University Life Environmental Sciences
The Iowa Corn Suitability Rating (CSR2) is a soil productivity rating system used primarily for taxation purposes on cropland in Iowa and is derived from its original version “CSR.” CSR2 was created using seven transparent parameters that allow for efficient calculation.
Burras, C. Lee and Owen, Rachel K., "CSR2- Soil Productivity Rating for Cropland in Iowa, USA" (2012). Agronomy Publications. 53.