Healthy soil means hungry soil. Check your Soil Biology with a pair of Skivvies.
Soil Your Undies for Science - Chesapeake Bay Foundation
Soil Your Undies – SCCC
The Soil Your Undies Challenge- A Simple Home DIY Test for Soil Health@judyschickens
This Year
Healthy Soils Eat Underpants
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Gotchies for your garden? How soiling your undies can determine the health of your soil
Plant your pants for soil health (yes, really)
Soil Your Undies Challenge: Part 1
NCC: Land Lines Digging into soil health
Plant your pants for soil health (yes, really)
The Soil Your Undies Challenge