1. Department of Forestry Technologies and Constructions, Faculty of Forestry and Wood Sciences, Czech University of Life Sciences Prague, Kamýcka 129, Prague 6, 165 00 Suchdol, Czech Republic
2. Department of Environmental Management, School of Environmental Sciences, Federal University of Technology, Owerri, P.M.B. 1526, Owerri 460114, Imo State, Nigeria
3. Department of Soil Science “Luiz de Queiroz”, College of Agriculture, University of São Paulo, 11 Pádua Dias Avenue, Piracicaba 13418-900, SP, Brazil