Trace Element Concentrations in Soil, Corn Leaves, and Grain after Cessation of Biosolids Applications
Thomas C. Granatoa,*,
Richard I. Pietza,
George J. Knaflb,
Carl R. Carlson, Jr.c,
Prakasam Tatad and
Cecil Lue-Hinga,d
a Research and Development Complex, 6001 West Pershing Road, Cicero, IL 60804
b Yale University, School of Nursing, New Haven, CT 06536-0740
c Metropolitan Water Reclamation District of Greater Chicago, Fulton County Laboratory, Canton, IL 61520
d Metropolitan Water Reclamation District of Greater Chicago, retired

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Fig. 1. Concentrations of Cd, Cu, Ni, and Zn in biosolids-amended soil during the 13-yr study period.
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Fig. 2. Concentrations of Cd, Cu, Ni, and Zn in corn leaves during the 13-yr study period.
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Fig. 3. Concentrations of Cd, Cu, Ni, and Zn in corn grain during the 13-yr study period.
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Fig. 4. Part 503 regulation risk assessment pathways that use plant uptake coefficients to model the transfer of trace elements from biosolids-amended soil to plant tissues.
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Copyright © 2004 by the American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America.