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The content of phosphorus, aluminium, and iron compounds soluble in an HCl solution and in ammonium oxalate varies widely in different horizons of the investigated gley-podzol soils. Phosphorus compounds accumulate in the surface organic and humus horizons, but they are also found in large quantities in the alluvial and gley horizons. The content of phosphorus compounds soluble in an HCl extract and...
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