Faculty & Staff
Dr. Riaz Ahmad

(HEC Approved Supervisor)

PhD, Adelaide University, Australia (Herold Woolhouse Award for the Best PhD)
Department of Soil Science
Phone : +92-51-4422625,
Mobile : +92-332-7059706
Fax : +92-51-4422625
Email : riaz@uaar.edu.pk
Address : Department of Soil Science & SWC, PMAS-Arid Agriculture University Rawalpindi; Quality Enhancement Cell, PMAS-Arid Agriculture University Rawalpindi
Work Experience : 27 Year(s)
Research Interest :
  • Structural and molecular fingerprinting of soil organic matter and biochars using state-of-the-art 13C NMR and Pyrolysis GC/MS in conjunction with Molecular Mixing Model and role of the chemistry of soil organic matter in binding affinities and behaviour of organic contaminants in soil
  • Carbon sequestration through biochar as amendment
  • Ageing and sequestration of pesticides/organic contaminants in long-term contaminated soils and their enhanced release & remediation
  • Chemical residues of pesticides in soils; fruits and vegetables
  • Ecological risk assessment of xenobiotics
  • Total Publications : 70
    Publications (Latest Ten)
    1. Mahmood, S., A. Khalid, T. Mahmood, M. Arshad and R. Ahmad. 2013. Potential of newly isolated bacterial strains for simultaneous removal of hexavalent chromium and reactive black-5 azo dye from tannery. Journal of Chemical Technology & Biotechnology (IF=2.17; in Press).

    2. Zafar, S., A. Ahmed, R. Ahmad, M. A. Randhawa, M. Gulfraz, A. Ahmad, and F. Siddique. 2012. Chemical residues of some pyrethroid insecticides in eggplant and okra fruits: effect of processing and chemical solutions. Journal of the Chemical Society of Pakistan, 34, 1169-1175 (IF=1.38).

    3. Ahmad, R. and Rahman, A. 2009. Sorption Characteristics of atrazine and imazethapyr in soils of New Zealand: Importance of independently determined sorption data. Journal of Agricultural and Food Chemistry 57, 10866-10875 (IF=2.82).

    4. Ahmad, R., P. N. Nelson and R. S. Kookana. 2006. The molecular composition of soil organic matter as determined by 13C NMR and elemental analyses and correlation with pesticide sorption. European Journal of Soil Science 57, 883-893 (IF=2.34).

    5. Ahmad, R., H. Katou and R. S. Kookana. 2005. Measuring sorption of hydrophilic organic compounds in soils by an unsaturated transient flow method. Journal of Environmental Quality 34, 1045-1054 (IF=2.32).

    6. Ahmad, R., R. S. Kookana, M. Megharaj and A. M. Alston. 2004. Aging reduces the bioavailability of even weakly sorbed pesticide (carbaryl) in soil. Environmental Toxicology and Chemistry 23, 2084-2089 (IF=2.81).

    7. Ahmad, R., R. S. Kookana and A. M. Alston. 2004. Surfactant-enhanced release of carbaryl and ethion from two long-term contaminated soils. Journal of Environmental Science and Health B39, 565-576 (IF=0.89).

    8. Sarmah, A. K., K. Muller and R. Ahmad. 2004. Fate and behaviour of pesticides in the agroecosystem a review with a New Zealand perspective. Australian Journal of Soil Research 42, 125-154 (IF=1.53).

    9. Ahmad, R., T.K. James, A. Rahman, and P. T. Holland. 2003. Dissipation of the herbicide clopyralid in an allophanic soil: Laboratory and field studies. Journal of Environmental Science and Health B38, 683-695 (IF=0.89).

    10. Ahmad, R., R. S. Kookana, A. M. Alston and J. O. Skjemstad. 2001. The nature of soil organic matter affects sorption of pesticides 1. Relationships with carbon chemistry as determined by 13C CPMAS NMR spectroscopy. Environmental Science and Technology 35, 878-884 (IF=5.23).

    Department of Soil Science
    Professor / Chairman
    Phone #: +92-51-9290473
    Mobile #: +92-300-9543958
    Fax #: +92-51-447060
    khalidsaifullah@uaar.edu.pk, khan_ks@hotmail.com