Replicate Information: 1: pore water sample from pore water pressA: pore water sample from pore water pressRh: pore water sample from rhizonsZ: sample centrifugedGB: sample...
Methods:Sampling:• Rhizon technique (Seeberg-Elverfeldt et al. 2005)SO42-:• Ion chromatography (Metrohm IC Net 2.3)Fe2+:• Ferrozine method (Stookey 1970)NH4+:• spectrophotometrically using a Multiskan