1 Department of Environment and Soil Sciences, University of Lleida, Avinguda Alcalde Rovira Roure 191, 25198, Lleida, Spain. Electronic address: awais.shakoor@udl.cat.
2 Department of Soil and Environmental Sciences, College of Agriculture, University of Sargodha, Sargodha, 40100, Punjab, Pakistan.
3 College of Life Science and Technology, Central South University of Forestry and Technology, Changsha, 410004, Hunan, China.
4 Department of Chemistry, Lahore College for Women University, Lahore, Pakistan.