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United States Department of Agriculture

Agricultural Research Service

Image Number D2398-1

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Image Number D2398-1

Technician Kent Heikens prepares a large core sampler to take a core sample of the wood chip bioreactor beneath a soybean field for lab analysis of denitrification rates and bacterial populations.

 

Photo by Peggy Greb.


640 pixels wide: (d2398-1.jpg)




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Last Modified: 1/31/2012