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United States Department of Agriculture

Agricultural Research Service

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AFSRC Picture of the Week, April 24, 2006
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 Employees use capacitance probe to test soil water levels

Soil amendments are important for improving and maintaining soil productivity. AFSRC has a long history of studying soil amendments to overcome soil acidity problems. Mojtaba Zaifnejad (formerly, collaborator with Virginia Polytechnic and State University) and Barry Harter (Biological Science Technician) use a capacitance probe to measure soil water levels in a study of coal combustion byproducts as a soil amendment.

Photo by K. Dale Ritchey

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Last Modified: 6/29/2006
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