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United States Department of Agriculture

Agricultural Research Service

Image Number D1620-1

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Image Number D1620-1

ARS soil scientists Jane Johnson and Don Reicosky (retired) look for signs of erosion on plots used to test rates of biomass removal. In the background, technician Rochelle Jansen collects trace gas samples to test for carbon dioxide, nitrous oxide, and methane.

 

Photo by Stephen Ausmus.


640 pixels wide: (d1620-1.jpg)




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Last Modified: 11/24/2009
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