Cores 11 through 26 by Gary B. Dr - University of Illinois at Urbana ...
Cores 11 through 26 by Gary B. Dr - University of Illinois at Urbana ...
Cores 11 through 26 by Gary B. Dr - University of Illinois at Urbana ...
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Sources <strong>of</strong> Trace Elementsin Soilsindustrial fallout/rainfallfertilizerorganic m<strong>at</strong>ter decompositionplant uptakeand releaseleachingparent m<strong>at</strong>erialReactionsprecipit<strong>at</strong>ion dissolutionadsorption desorptionfix<strong>at</strong>ion release (biota)complex<strong>at</strong>ion releasegaseous phase soil (e.g. selenium)variablespHEhkineticsbiological activitydecompositionrespir<strong>at</strong>ionorganics on clays, oxidesFigure 3 Schem<strong>at</strong>ic diagram <strong>of</strong> various input and ouput functions th<strong>at</strong> affect trace elements, reactions th<strong>at</strong> affect soilchemistry, and variables th<strong>at</strong> affect reactions.60