1. Dep. of Soil Science and Engineering, Faculty of Agriculture Univ. of Maragheh Maragheh Iran
2. Agrosphere Institute IBG‐3, Forschungszentrum Jülich Jülich 52425 Germany
3. Research Area 1 “Landscape Functioning,” Working Group “Hydropedology,” Leibniz Centre for Agricultural Landscape Research (ZALF) Müncheberg 15374 Germany