Extractable aluminium, iron and manganese in mineral soils III Comparison of extraction methods - Niskanen, Raina (Suomen maataloustieteellinen seura, 1989)
Keywords: Ka; uutto; erotusmenetelmät; alumiini; rauta; mangaani; acetate-extractable AI; EDTA-extractable metals; oxalate-extractable metals; orcanic carbon content; clay content; soil pH