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Image Number D1412-1

Soil scientist Guy Serbin (left) and remote sensing specialist Andy Russ calibrate a portable spectroradiometer over a white panel prior to measuring the reflectance of the crop residues and soils in a cornfield. These ground-based reflectance measurements are used to develop remote sensing tools for assessing soil tillage intensity using aircraft and satellite imagery.


Photo by Peggy Greb.

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