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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number D1242-5

In a Beltsville potato field, engineer Dave Fleischer (right) measures leaf photosynthesis as technician Jackson Fisher downloads lightbar data, which measures light interception in the crop. This information is used to develop models for potato production.


Photo by Stephen Ausmus.

640 pixels wide: (d1242-5.jpg)

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Last Modified: 9/30/2008