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United States Department of Agriculture

Agricultural Research Service

Image Number D1637-20

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Image Number D1637-20

Reaching into a soil-plant-atmosphere chamber, agricultural engineer David Fleisher measures potato leaf chlorophyll content. Results from these and similar studies are used in developing field models for estimating agricultural productivity in the eastern seaboard region.

 

Photo by Stephen Ausmus.


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Last Modified: 11/24/2009