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USDA Soil Resources

 
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This is just a thread to collect some of the awesome resources on the USDA Natural Resources Conservation Service - SOILS in one place.
 
Jennifer Wadsworth
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Get a FREE DOWNLOAD of the Soil Biology Primer by Elaine R. Ingham, Andrew R. Moldenke, Oregon State University and Clive A. Edwards, The Ohio State University.

Please respect their copyright rules.


 
Jennifer Wadsworth
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How To Differentiate and Identify Soil Horizons In The Field

 
All of the world's problems can be solved in a garden - Geoff Lawton. Tiny ad:
Rocket Mass Heater Manual - now free for a while
https://permies.com/goodies/8/rmhman
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