US Forest Service Soil Drainage and Productivity Indexes

This webpage provides information on the Drainage Index (DI) and Productivity Index (PI) of all soils that are classified within the US system of Soil Taxonomy. These data aid in the identification of areas at risk to various forest insects and diseases because of their ability to identify regions of potential tree stress.

Data and Resources

Additional Info

Field Value
Last Updated May 26, 2020, 15:16 (MDT)
Created April 16, 2020, 09:40 (MDT)
Update Interval
Data Owner Organization US Forest Service
Data Owner Contact Name Randall Schaetzl
Data Owner Contact Email soils@msu.edu