1. Institute for Environmental Sciences, Group of Environmental and Soil Chemistry, University of Koblenz‐Landau, Campus Landau, 76829 Landau, Germany
2. current address: Department of Chemistry, N.S.S. College, Manjeri, 676122 Malappuram, Kerala, India
3. UFZ – Helmholtz Centre for Environmental Research, Department of Environmental Biotechnology, Permoserstraße 15, 04318 Leipzig, Germany
4. current address: Chair of Soil Science, Technische Universität München, Emil‐Ramann‐Straße 2, 85354 Freising‐Weihenstephan, Germany