Soil Your Undies Campaign

The Northern Virginia Soil and Water Conservation District is challenging residents all across Fairfax County to bury a pair of cotton underwear as part of a campaign to promote soil health awareness. How does it work? Just bury a pair of cotton underwear and dig it back up after at least 60 days. It’s the quick and dirty way to test the microbial activity in your soil. The more the underwear is deteriorated, the healthier your soil!

Although you can use the Soil Your Undies Challenge to check your soil health at any time, the 2020 NVSWCD Soil Your Undies Challenge runs from July to September 2020.

JOIN THE CHALLENGE!
Step 1: Look for a place where you want to study the health of the soil. Make sure you are only studying sites on your property or with the permission of the landowner.
Step 2: Bury a pair of white cotton undies (or any white cotton clothing item) 3 inches under the soil’s surface. Be sure to take a “before” photo.
Step 3: Don’t forget to mark your study site with a flag or other easily-identifiable marker!
Step 4: Wait at least 60 days (this is the hard part…)
Step 5: Locate your marked study site and dig up your cotton undies. Be sure to take an “after” photo.
Step 6: How healthy is your soil? Healthier soils have a lot of microbial activity, and the healthy fungi and bacteria in the soil will break down your cotton undies. The more degraded your undies are, the more microbial activity you have in your soil, and the healthier your soil is.
Step 7: Share the results of your citizen science project! Email your photos and any notes you may have to conservationdistrict@fairfaxcounty.gov, and share your results with us on Facebook @nvswcd and on Instagram @NorthernVirginiaSWCD. We’ll be sharing our results with you, too!

Learn more about the challenge and soil health here.

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