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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number K4102-11

Wavelength of light affects plants both above ground and below. Plant physiologist Michael Kasperbauer (left) and Clemson University professor Bruce Fortnum examine the influence of light on cotton shoots.

Photo by Richard Nowitz.



640 pixels wide: (k4102-11.jpg)




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Last Modified: 5/23/2006