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United States Department of Agriculture

Agricultural Research Service

Image Number D100-17

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Image Number D100-17

Agronomist David Nielsen (right) uses a neutron probe as technician Martin Walker uses time domain reflectometry to assess soil water used by winter wheat in an alternative crop rotation study.

 

Photo by Stephen Ausmus.


640 pixels wide: (d100-17.jpg)




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Last Modified: 12/17/2010
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