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Each teaspoonful of health soil contains billions of soil microorganisms like the soil fungus seen here. Photo credit: USDA-ARS, Electron & Confocal Microscopy Unit, Beltsville, MD USA
Each teaspoonful of health soil contains billions of soil microorganisms like the soil fungus seen here. Photo credit: USDA-ARS, Electron & Confocal Microscopy Unit, Beltsville, MD USA
Original public domain image from Flickr
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