Image:Primary and secondary cotton roots.jpg

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Primary and secondary roots. [1]

Public domain This image is in the public domain because it contains materials that originally came from the Agricultural Research Service, the research agency of the United States Department of Agriculture.

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Date/TimeDimensionsUserComment
current06:05, 26 September 2006360×270 (49 KB)PDH (Primary and secondary roots. [http://www.csrl.ars.usda.gov/pswc/blm/root/root.html] {{PD-USGov-USDA-ARS}} category:Roots)
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