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ARS Home Office of Communications Images Photos Nov10





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Image Number D1975-41 Biologist Harry Godwin collects rainwater that had run down a tree to test it for tannins or other phenolic compounds. Behind him, technician Jennifer Harrah collects soil for experiments to determine whether the compounds affect soil organic matter and nutrient cycling.  Photo by Stephen Ausmus.  640 pixels wide: (d1975-41.jpg)   Please visit our Image Gallery


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