Abstract
The concentrations of rare earth elements (REs) in atmospheric particles, soil, soil water, surface runoff, and different parts of corn in an experimental plot in the suburb of Beijing, China were measured and the flux of REs was estimated. The concentration of REs in air particles with diameter less than 10 µm is 36 ng/m3 and, by ratio analysis, the origin of REs in the atmosphere was likely local soil. The concentration of soluble REs is 0.69 µg/L in rainwater, 5–7 µg/L in surface runoff, as well as 1–4 µg/L in soil water and the application of RE mixture has no observed influences on their concentrations. The concentration of soluble REs in surface runoff and soil water was dominated by aqueous-solid-phase partitioning. By estimation of the flux, most of the REs applied will remain in the soil phase and continued application of REs will cause an accumulation of REs in agricultural soil.
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Wang, Z., Wang, C., Lu, P. et al. Concentrations and flux of rare earth elements in a semifield plot as influenced by their agricultural application. Biol Trace Elem Res 84, 213–226 (2001). https://doi.org/10.1385/BTER:84:1-3:213
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DOI: https://doi.org/10.1385/BTER:84:1-3:213