1. Department of Soil Science, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, Pakistan;
2. Department of Geography, University of Calgary, Calgary, AB, Canada;
3. Institute of Horticultural Sciences, University of Agriculture Faisalabad, Faisalabad, Pakistan;
4. Department of Agronomy, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, Pakistan;
5. Department of Soil Science, The Islamia University of Bahawalpur, Bahawalpur, Pakistan