1. Department of Soil Science, University of Haripur, Haripur, Pakistan;
2. Land Resources Research Institute, National Agriculture Research Centre, Islamabad, Pakistan;
3. Department of Bio Sciences, University of Wah, Wah Cantonment, Pakistan;
4. Department of Botany, Hazara University, Dhodial, Pakistan;
5. Soil and Water Testing Laboratory, Rawalpindi, Pakistan