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United States Department of Agriculture

Agricultural Research Service

Image Number D2091-12

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Image Number D2091-12

At an experimental watershed in Beltsville, Maryland, ARS scientists measure the movement of agrichemicals from a corn field to the riparian buffer in the background. Agronomist Craig Daughtry (left) operates the water pump while soil scientist Timothy Gish (center) takes field notes and soil scientist Gregory McCarty collects a groundwater sample.


Photo by Stephen Ausmus.

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Last Modified: 1/27/2011
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