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United States Department of Agriculture

Agricultural Research Service

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Image Number K5801-14

Microbiologist Peter van Berkum compares growth of alfalfa plants (left) inoculated with Rhizobium with plants that haven’t been inoculated (right). 


Photo by Scott Bauer.

640 pixels wide: (k5801-14.jpg)

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Last Modified: 8/13/2016
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