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United States Department of Agriculture

Agricultural Research Service

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Image Number D193-1

Research associate Zhao Duli (left) and soil scientist Patrick J. Starks use a hyperspectral spectroradiometer to measure light reflectance from a forage canopy.

Photo by Peggy Greb.



640 pixels wide: (d193-1.jpg)




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Last Modified: 8/12/2016
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