“…Selostus: Uuttavan ammoniumfluoridiliuoksen pH:n vaikutus
maan fosforin, alumiinin ja raudan uuttumiseen Release of P, Al and Fe of five mineral soils in four-hour extraction by 0.1 M NH4F, pH 4.2—8.6, generally increased with decreasing pH of the extractant. …”
Tallennettuna: