Soil My Undies” Challenge Has Farmers Burying Underwear In Their

It's a test for healthy soil.

Soil Health and the Cotton Brief Challenge - Part 1 - Clackamas SWCD

Soil My Undies Challenge: Measuring Soil Biology with a Pair of

Soil Your Undies – SCCC

Soil Your Undies Challenge - Rhode Island

The Soil Your Undies Challenge- A Simple Home DIY Test for Soil

The Soil Your Undies Challenge- A Simple Home DIY Test for Soil

Soil Your Undies, PA Soil Health Coalition

Soil your undies!

The Tighty Whitey Challenge: Bury some old underwear to learn about soil health