1. Department of Soil Science and Plant Nutrition, Faculty of Agriculture, Ankara University, Turkey
2. Department of Soil Science, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University Multan, Punjab, Pakistan
3. Department of Botany, University of Central Punjab, Lahore, Punjab, Pakistan
4. Department of Soil Science, Faculty of Crop Production, Sindh Agriculture University, Tandojam, Sindh, Pakistan