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. 2022 Feb 2;158(1):39–72. doi: 10.1007/s10533-021-00884-7

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Fig. 1 — P speciation of the soils at sites Mangfallgebirge, Tuttlingen, Bärenthal, and Schänis. Presented are contents of different organic P species (left from vertical zero axis) and inorganic P species (right from vertical zero axis) in mg P kg⁻¹ soil