%0 Conference Proceedings
%T Using GIS to map soil organic matter and nitrogen content to prevent cultivation effects on soil quality
%A محمدجواد بیدادی
%A  مجید سردقی
%A  نسیم مقدادی
%A  Kamkar, Behnam
%J 8th International Soil Science Congress \\\"Land degradation and Challenges in Soil management
%D 2012