Technical Staff (works half time)

  • Analysis of total C and N concentrations in soil and plant samples, using CN analyzer (Elementar Vario EL; Elementar Analysis Systems GmbH, Hanau, Germany)

  • Extractions for effective cation exchange capacity of mineral soils by NH4Cl percolation

  • Extractions for total element concentrations of soil organic layer and plant samples by HNO3 pressure digestion

  • Oxalate extractions of mineral soils for active Si, Al and Fe (e.g. non-crystalline minerals, poorly crystalline oxides, interlayer and exchangeable Al or Fe, and partly organically-bound Al or Fe)

  • Pyrophosphate extractions of mineral soils for organically-bound Al and Fe