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ARS Home Office of Communications Images Photos Nov13





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Image Number D1621-5 Using closed-vented chambers, biological science aide Rochelle Jansen (right) and soil scientist Jane Johnson collect gas emissions from soil at a research farm. Samples will be analyzed for carbon dioxide, nitrous oxide, and methane.  Photo by Stephen Ausmus.  640 pixels wide: (d1621-5.jpg)   Please visit our Image Gallery


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