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United States Department of Agriculture

Agricultural Research Service

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AFSRC Picture of the Week, January 30, 2006
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 Employees working with percolation tubes

Acidic soils of the Appalachian Region continue to pose management challenges to the Region’s farmers. As part of a former AFSRC research program Charles Lynch (Biological Science Technician) and Sheila Zeto (formerly, AFSRC Microbiologist) collect samples from percolation tubes used to study the efficacy of coal-combustion byproducts for alleviating soil acidity.

Photo by K. Dale Ritchey


Last Modified: 2/22/2006
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