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Table 1 Soil types chosen for the study

From: Biochar’s effect on the ecosystem services provided by sandy-textured and contaminated sandy soils: a systematic review protocol

Common names of soils Sand (%) Silt (%) Clay (%) Textural class
Sandy soils (Coarse textured) 86–100 0–14 0–10 Sand
70–86 0–30 0–15 Loamy sand
Loamy soils (Moderately coarse textured) 50–70 0–50 0–20 Sandy loam
Loamy soils (Moderately fine texture) 45–80 0–28 20–35 Sandy clay loam