1. Ecological Modelling, BayCEER; University of Bayreuth; Dr.-Hans-Frisch-Straße 1-3; 95448 Bayreuth; Germany
2. Faculty of Agriculture, Natural Resources and Environment Institute; Yasouj University; Yasouj; Iran
3. UMR EMMAH, INRA; Domaine St Paul, Agroparc; 84914 Avignon Cedex 9; France
4. Soil Physics Group, BayCEER; University of Bayreuth; 95440 Bayreuth; Germany