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Median ECe values were calculated for each layer.||تم تقييم ملوحة طبقتي التربة 0-50 سم و50-100 سم باستخدام التوصيل الكهربائي، وهو مؤشر لتركيز الأملاح القابلة للذوبان. تؤثر الأملاح العالية على امتصاص الماء والعناصر الغذائية. تم حساب المتوسط المرجح لقيم EC (1:1) حسب سمك الأفق، وتحويله إلى ECe بالضرب في 3. ثم احتُسبت القيم الوسيطة لطبقات التربة.", "geometryType": "esriGeometryPolygon", "sourceSpatialReference": { "wkid": 4326, "latestWkid": 4326, "xyTolerance": 8.98315284119521E-9, "zTolerance": 0.001, "mTolerance": 0.001, "falseX": -400, "falseY": -400, "xyUnits": 9.999999999999999E8, "falseZ": 0, "zUnits": 1, "falseM": 0, "mUnits": 1 }, "copyrightText": "Created by Environment Agency Abu Dhabi as part of the Abu Dhabi Soil Survey project. 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