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Title: Soil leachate responses during 10 years of induced whole-watershed acidification
Author: Edwards, Pamela J.; Kochenderfer, James N.; Coble, Dean W.; Adams, Mary Beth
Publication: Water, Air, and Soil Pollution. 140: 99-118.
Key Words: atmospheric deposition, charge pairing, leaching, lysimeters, soil solution chemistry
Abstract: Soil solution was collected from zero-tension lysimeters for 10 yr on two small central Appalachian watersheds in West Virginia, U.S.A. Ammonium sulfate fertilizer was applied to one catchment 3 times per year during each year. The other watershed was used as a reference to account for ambient baseline conditions. Ca and Mg concentrations collected below the A- and B-horizons of the treated watershed increased and then decreased over time as a result of the treatment. By contrast, Ca and Mg concentrations in the C-horizon continued to increase throughout the study period.
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