Distribution of Available Silicon of Volcanic Ash Soils in Jeju Island

<div>Frequency (a) and regional distribution (b) of available Si in topsoils on Jeju Island extracted using 1 N sodium acetate buffer (NaOAc) solution.</div>

Applied and Environmental Soil Science

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Figure 2

Figure 2: Distribution of Available Silicon of Volcanic Ash Soils in Jeju Island 