Healthy soil means hungry soil. Check your Soil Biology with a pair of Skivvies.
Soil Your Undies Challenge - ASCEND Initiative ASCEND Initiative
Underpants experiments are taking place in Australian paddocks and gardens — all in the name of soil health - ABC News
Soil Your Undies for Science - Chesapeake Bay Foundation
Are Your Eco-Friendly Secretly SOILING Their Underwear?
Frontiers Grounding United States policies and programs in soil carbon science: strengths, limitations, and opportunities
NCC: Land Lines Digging into soil health
Soil Your Undies Lesson: By Rachel Wilson - Seed St. Louis
Little Green Radicals Children's Organic Cotton Outer Space Underwear Briefs Pants Set - 3 Pack
Soil Your Undies Soil Health Check Up