Soil Your Undies' asks Pennsylvania to bury underwear to test soil - EHN

Soil your undies for science

Tattered underwear means healthier soil

Soil Health Project - Upper Beult Farmer Cluster

Soil Your Undies Challenge Natural Resources Conservation Service

Soil Your Undies – SCCC

Soil Your Undies Challenge - ASCEND Initiative ASCEND Initiative

Boosting Soil Health and Rotted Underpants

Soil Your Undies, PA Soil Health Coalition

How to test your soil health with a pair of cotton underwear - Farm and Dairy

Soil Your Undies – SCCC

Boosting Soil Health and Rotted Underpants

Soil Your Undies Challenge Natural Resources Conservation Service