Abstract
A collection of phosphorous (P) fertilizers used in Germany (N = 75) and southern Brazil (N = 39) was analyzed for cadmium (Cd) and uranium (U). Both collections show high mean concentrations of Cd (12.0 and 18.6 mg/kg respectively) and U (61.3 and 70.16 mg/kg respectively), while maximum concentrations of 56 mg Cd/kg and up to 200 mg U/kg were found. Currently, up to 42 t Cd and 228 t U are distributed annually on German and 611 t Cd and 1614 t on Brazilian agricultural soils by mineral P fertilizers.
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Smidt, G. A., Landes, F. C., Machado de Carvalho, L., Koschinsky, A., & Schnug, E. (2012). Cadmium and uranium in German and Brazilian phosphorous fertilizers. In Springer Geology (pp. 167–175). Springer. https://doi.org/10.1007/978-3-642-22122-4_20
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