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Release Behavior of Copper and Zinc from Sandy Soils

^a Univ. of Florida, Institute of Food and Agricultural Sciences, Indian River Research and Education Center, Fort Pierce, FL 34945-3138
^b Ministry of Education Key Lab. of Environmental Remediation and Ecological Health, College of Natural Resource and Environmental Sciences, Zhejiang Univ., Huajiachi Campus, Hangzhou 310029, P.R. China

View larger version (22K): [in a new window]   Fig. 1. Changes of Cu and Zn released from the soils with extraction time. Error bars depict SE.

View larger version (21K): [in a new window]   Fig. 2. The amount of Cu and Zn released from the soils as a function of the soil/water ratio. Error bars depict SE.

View larger version (20K): [in a new window]   Fig. 3. Cumulative amount of Cu and Zn released from the soils as a function of leaching events. Error bars depict SE.

View larger version (40K): [in a new window]   Fig. 4. Effects of leaching solution pH on the amount of Cu and Zn leached from the soils. Error bars depict SE.

View larger version (25K): [in a new window]   Fig. 5. Effects of solution pH on cumulative amounts of Cu and Zn leached from three soils.

View larger version (35K): [in a new window]   Fig. 6. Effects of electrolyte type on the release of Cu and Zn from the soils. Error bars depict SE.