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United States Department of Agriculture

Agricultural Research Service

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Image Number K9926-1

Biological technician Karena Schmidt holds greenhouse-grown alfalfa plants with 14-foot-long roots. Not only does this versatile crop provide livestock feed, but it also enriches and cleans soil and can be converted into ethanol.

Photo by Keith Weller.

640 pixels wide: (k9926-1.jpg)

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Last Modified: 8/13/2016
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