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United States Department of Agriculture

Agricultural Research Service

Image Number D2231-1

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Image Number D2231-1

Biological technician Steven Masterson (left) and geneticist Ken Vogel examine the near-infrared reflectance spectral profiles of switchgrass samples collected from switchgrass bales. The near-infrared sensing calibration equations developed for determining switchgrass composition and ethanol conversion are being used to determine the effects of switchgrass bale storage conditions on ethanol conversion. Masterson is holding a sample ring with the ground switchgrass sample.


Photo by Stephen Ausmus.

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Last Modified: 7/26/2011