1. Laboratory of Soils and Agricultural Chemistry, Department of Natural Resources and Agricultural Engineering, Agricultural University of Athens, Athens, Greece
2. Department of Agrobiotechnology, Agricultural Research Institute, Nicosia, Cyprus
3. Applied Research Center, Florida International University, Miami, FL, USA
4. Department of Environmental and Biological Sciences, University of Eastern Finland, Kuopio, Finland
5. Hephaestus Advanced Laboratory, Eastern Macedonia and Thrace Institute of Technology, Kavala, Greece