%0 Conference Proceedings %T Mapping the Nutrients Distribution to Reduce Cultivation Practices and Land Degradation Using Geospatial Information System (GIS) %A مجید سردقی %A نسیم مقدادی %A محمدجواد بیدادی %A Kamkar, Behnam %A مرضیه یوسفی %J 8th International Soil Science Congress \\\\\\\\\\\\\\\"Land degradation and Challenges in Soil management %D 2012