Soil Your Undies
In this simple experiment, learn about soil health with just a pair of underpants. It's okay to Soil Your Undies.
UNE Discovery Soil Your Undies – Wrap it Up!
Underwear Underscores Soil Health
Clackamas County officials urge you to 'Soil Your Undies', News
Soil Your Undies' for Science: Part 2
Gotchies for your garden? How soiling your undies can determine the health of your soil
USDA: Soil Your Undies” — ediblegardens52
Soil Your Undies in the Sandy River Watershed! - Clackamas SWCD
Soil Your Undies
Soil Your Undies Challenge - Rhode Island
Soil Your Undies – SCCC
Soil My Undies Challenge: Measuring Soil Biology with a Pair of Briefs
Soil Your Undies exhibit at New Hanover County Arboretum