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United States Department of Agriculture

Agricultural Research Service

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AFSRC Picture of the Week, January 8, 2007
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Employees extracting soil columns

Soil columns from an abandoned grass-land were extracted by Charles Lynch (Biological Science Technician) and Edward Lester (Agricultural Science Research Technician) for use in a greenhouse study to evaluate effects of goat urine and limestone on nitrogen transformations.

The study details are available at:
Ritchey, K. D., D. G. Boyer, K. E. Turner, J. D. Snuffer. 2003.
Surface Limestone Application Increases Ammonia Volatilization from Goat Urine in Abandoned Pastures. Journal of Sustainable Agriculture, 23(2):111-125.

Photo by K. Dale Ritchey

AFSRC Picture of the Week Index


Last Modified: 1/11/2007
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