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United States Department of Agriculture

Agricultural Research Service

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Image Number K7531-3

At the derailment site, soil scientist Michael Russelle and plant geneticist JoAnn Lamb monitor the biological cleanup of nitrogen fertilizer with a unique alfalfa. Yellowing leaves in the foregound indicate an area of cleaner soil.

Photo by Bruce Fritz.

640 pixels wide: (k7531-3.jpg)

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Last Modified: 6/27/2017
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