The P-Index calculator tool, designed to assess the potential for phosphorus movement from fields based on soil and field characteristics and management practices, has been updated as of April 2024. Available for free on the RUSLE2 section of the IMMAG website, the tool incorporates the updated Iowa Technical Note Number 25 from March 2024. Users are encouraged to reference this updated document. For more information, contact Kapil Arora at Iowa State University Extension and Outreach at 515-291-0174 or pbtiger@iastate.edu.
