Economic and Environmental Geology

Fig. 3.

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Fig. 3. Concentration of As and PO43- in Okdong and Buguk soil with phosphoric fertilizer and limestone supply conditions. (a) As extraction from Okdong soil, (b) As extraction from Buguk soil, (c) PO43- extraction in Okdong soil, (d) PO43- extraction in Buguk soil.
Econ. Environ. Geol. 2022;55:209-17 https://doi.org/10.9719/EEG.2022.55.2.209
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