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United States Department of Agriculture

Agricultural Research Service

Image Number D1510-11

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Image Number D1510-11

ARS soil scientist Dan Pote observes as ARS technician Stephen Haller operates their invention, the Poultry Litter Subsurfer—the first commercially viable machine for applying dry poultry litter below ground.


Photo by Stephen Ausmus.

640 pixels wide: (d1510-11.jpg)

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Last Modified: 7/29/2010