%0 Conference Proceedings %T Using EC-Based Maps to Manage Soil and Prevent Soil Degradation %A نسیم مقدادی %A محمدجواد بیدادی %A مجید سردقی %A Kamkar, Behnam %J 8th International Soil Science Congress \\\\\\\\\\\\\\\"Land degradation and Challenges in Soil management %D 2012