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

Information

Field Value
Contact Name Randall Schaetzl
Contact Email soils@msu.edu
Last Updated 23 October 2023
Published 16 April 2020