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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number D733-1

Soil scientist Liwang Ma (left) and agronomist David Nielsen view output from the RZWQM2 model and use the model to simulate crop-sequencing effects at Akron, Colorado.

Photo by Stephen Ausmus.

640 pixels wide: (d733-1.jpg)

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Last Modified: 2/27/2007
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