Extractable aluminium, iron and manganese in mineral soils I Dependence of extractability on the pH oxalate, pyrophosphate and EDITA extractants - Niskanen, Raina (Suomen maataloustieteellinen seura, 1989)
Keywords: Ka; kivennäismaat; alumiini; rauta; mangaani; pH; uutto; amorphous AI; Fe; Mn; acetate-extractable AI; complexing agents; protolysis constants; soil extraction