Surface Runoff Losses of Copper and Zinc in Sandy Soils
Mingkui Zhanga,
Zhenli He*,a,b,
David V. Calvertb,
Peter J. Stoffellab and
Xiaoe Yanga
a Dep. of Natural Resource Sciences, College of Natural Resource and Environmental Sciences, Zhejiang Univ., Huajiachi Campus, Hangzhou 310029, China
b Univ. of Florida, Institute of Food and Agricultural Sciences, Indian River Research and Education Center, Fort Pierce, FL 34945-3138

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Fig. 1. Mean monthly rainfall at the 11 sites in 2001.
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Fig. 2. Variations of Cu and Zn concentrations in runoff from 11 field sites in 2001. The term n refers to the number of water samples. Standard deviations are placed above each bar.
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Fig. 3. Mean soluble Cu and Zn concentrations in six sequential samples of runoff water. The term n = 11 and 13 for Sites 1 and 9, respectively. Bars represent standard deviations.
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Fig. 4. Discharges and dissolved Cu and Zn loads in surface runoff from the 11 sites in 2001.
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Copyright © 2003 by the American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America.