Image Number D1410-1

In a cornfield at Beltsville, Maryland, agronomist Craig Daughtry (left) and remote-sensing specialist Andy Russ use a portable spectroradiometer to measure reflectance of crop residues and soil. To improve regional assessments of soil tillage intensity, the group is developing remote-sensing tools to measure crop residue cover using aircraft and satellite imagery. 

Photo by Peggy Greb.

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