Soil Your Undies
In this simple experiment, learn about soil health with just a pair of underpants. It's okay to Soil Your Undies.
Hey Canada: It's time to soil your undies…again - Tree Frog creative
Soil Your Undies Challenge Natural Resources Conservation Service
Soiled Undies? Biology Article for Students
How to test your soil health with a pair of cotton underwear - Farm and Dairy
Volunteer Gardener
Soil My Undies Challenge: Measuring Soil Biology with a Pair of Briefs
UNE Discovery Soil Your Undies
Farmers embrace challenge to soil their undies in the name of science
Why some people are soiling their underwear to help the earth, Environment News
Farmers Have Been Soiling Their Undies. Here's Why - Hundred Percent Cotton
Time to Dig Up Your Soiled Undies - - Local news, Weather, Sports, and Job Listings for Okotoks, Alberta, and area.
Underpants experiments are taking place in Australian paddocks and gardens — all in the name of soil health - ABC News
Soil Your Undies Challenge - Rhode Island