1- Riaz, A., Batool, Z., Younas, A., and Abid, L. (2002). “Green areas source of healthy environmental for people and value addition to property.” Int. J. Agric. Biol., 4, 478-481.
2- Abedi-Koupai, J., Vossoughi-Shavari, M., Yaghmaei, S., Borghei, M., and Ezzatian, R. (2007). “The effects of microbial population on phytoremediation of petroleum contaminated soils using tall fescue.” Int. J. Agric. Biol., 9, 242-246.
3- Anonymous. (2001). “Salt contamination assessment and remediation guidelines.” <
http://environment. gov.ab.ca/info/library/6144.pdf.> (May 2011).
4- Canadian Council of Ministers of the Environment (CCME). (2001). “Canada-wide standards for petroleum hydrocarbons (PHC) in soil.” <
http://www.ccme.ca/ assets/pdf /phc_ standard_ 1.0_e.pdf.> (May 2011).
5- Meagher, R. B. (2000). “Phytoremediation of toxic elemental and organic pollutants.” Curr. Opin. Plant Biol., 3, 153-162.
6- Zakia, D. P., Kathrin M., and Schwab, A. (2005). “Assessment of contaminant labiality during phytoremediation of polycyclic aromatic hydrocarbon impact soil.” Environ. Pollut., 137, 187-197.
7- McNicoll, D. M., and Baweja, A. S. (1995). Bioremediation of petroleum-contaminated soils: An innovative, environmentally friendly technology, Ottawa, Ont: Environment Canada.
8- U.S. EPA. (2000). Introduction to Phytoremediation, EPA/600/R-99/107, Office of Research and Development, Washington, DC.
9- Abedi-Koupai, J., and Asadkazemi, J. (2006). “Effects of a hydrophilic polymer on the field performance of an ornamental plant (Cupressus arizonica) under reduced irrigation regimes.” J. Iran. Poly., 15, 715-725.
10- Frcik, C. M., Farrell, R. E., and Germida, J. J., (1999). “Assessment of phytoremediation as an in-situ technique for cleaning oil-contaminated site.” Calgary, Canada, Petroleum Technology Alliance of Canada.
11- Baldwin, I. L. (1992). “Modifications of the soil flora induced by application of crude petroleum.” Soil Sci., 14, 465-477.
12- Ferro, A. M., Sims, R. C., and Bugbee, B. (1994). “Hycrest crested wheatgrass accelerates the degradation of pentachlorophenol in soil.” J. Environ. Qual., 23, 272-279.
13- Reilley, K., Banks, M. K., and Schwab, A. P. (1996). “Organic chemicals in the environment: Dissipation of polycyclic aromatic hydrocarbons in the rhizosphere.” J. Environ. Qual., 25, 212-219.
14- Kasraian, A., Karimian, N., and Pazira, E. (2012). “Effect of sulfur application on spinach phytoremedaiton process of cadmium in contaminated calcareous soils.” J. of Water and Wastewater, 82, 52-58. (In Persian)
15- Fallahi, F., Ayati, B., and Ganjidoust, H. (2012). “Lab scale study of nitrate removal by phytoremediation.”
J. of Water and Wastewater, 81, 57-65. (In Persian)
16- Pradhan, S. P., Conrad, J. R., Paterek, J. R., and Srivastava, V. J. (1998). “Potential of phytoremediation for treatment of PAHs in soil at MGP sites.” J. Soil Contam., 7, 467-480.
17- Wiltse, C. C., Rooney, W. L., Chon, Z., Schwab, A. P., and Banks, M. K. (1998). “Greenhouse evaluation of agronomic and crude oil phytoremediation potential among alfalfa genotypes.” J. Environ. Qual., 27,
167-173.
18- Wiedemeier, T.H., Rifai, H.S., Newell, C. J., and Wilson, J. T. (1999). Natural attenuation of fuels and chlorinated solvents in the subsurface, John Wiley and Sons, New York, USA.
19- Schnoor, J. L., Licht, L. A., McCutcheon, S. C., Wolf, N. L., and Carriera., L. H. (1995). “Phytoremediation of organic and nutrient contaminants.” Environ. Sci. Thecnol., 29, 318-323.
20- Schnoor, J. L. (1997). “Phytoremediation.” The University of Iowa, Department of Civil and Environmental Engineering and Center for Global and Regional Environmental Research. <
http://www.gwrtac.org.
(May, 2011)
21- Xu, R., Lau, N. L. A., Ng, K. L., and Obbard, J. P. (2004). “Application of slow-release fertilizer for oil bioremediation in beach sediment.” J. Environ. Qual., 33, 1210-1216.
22- Klute, A. (1986). Methods of soil analysis: Physical and mineralogical methods, American Society of Agronomy, USA.
23- Rhoades, J. D. (1996). “Salinity: Electrical conductivity and total dissolved solids.” Sparks, D. L. (Ed.), Methods of soil analysis. Part 3, Chemical Methods, SSSA, Madison, WI.
24- Thomas, G. W. (1996). “Soil pH and soil acidity.” Sparks, D. L. (Ed.), Methods of soil analysis, Chemical Methods, SSSA, Madison, WI.
25- Emami, A. (1996). The methods of plant analysis, Soil and Water Research Institute, Publication No. 982, Vol. 1.
26- Christopher, S. H., Marsden, P. J., and Sharleff, A. S. (1988). Evaluation of methods 3540 (Soxhlet) and 3550 (Sonication) for evaluation of appendix IX analyses from solid samples, S-CUBED, Report for EPA Contract 68-03-33-75, Work Assignment No.03, Document No. SSS-R-88-9436.
27- Cunningham, S. D., Anderson, T. A., Schwab, A. P., and Hsu, F. C. (1996). “Phytoremediation of soils contaminated with organic pollutants.” Adv. Agron, 56, 55-114.
28- Gunther, T., Dornberger, U., and Frische, W. (1996). “Effect of ryegrass on biodegradation of hydrocarbons in soil.” Chemosphere, 33, 203-215.
29- Medinsky, M. A., and Valentine, J. L. (2003). “Toxico-kinetics.” Klassen, C.D., and Watkins, J.B. III (Eds.), Essentials of Toxicology, McGraw-Hill, New York.
30- Venosa, A. D., Suidan, M. T., King, D., and Wrenn, B. A. (1997). “Use of hopane as a conservative biomarker for monitoring the bioremediation effectiveness of crude oil contaminating a sandy beach.” J. Ind. Microbiol. Biotechnol., 18,131-139.
31- Huang, X. D., El-Alawi, Y., Penrose, D., Glick, B. R., and Greenberg, B. M. (2004). “A multi-process phytoremediation system for removal of polycyclic aromatic hydrocarbons from contaminated soils.” Environ. Pollut., 130, 465-476.
32- Hutchinson, S. L., Banks, M. K., and Schwab, A. P. (2001). “Phytoremediation of aged petroleum sludge: Effect of inorganic fertilizer.” J. Environ. Qual., 30, 395-403.
33- Krutz, L. J., Beyrouty, C. A., Gentry, T. J., Wolf, D. C., and Reynolds, C. M. (2005). “Selective enrichment of a pyrene degrader population and enhanced pyrene degradation in Bermuda grass rhizosphere.” Biol. Fertil. Soils., 41, 359-364.
34- Gao, Y., Ling, W., and Wong, M. H. (2006). “Plant-accelerated dissipation of phenanthrene and pyrene from water in the presence of a nonionic-surfactant.” Chemosphere, 63, 1560-1567.
35- Vinas, M., Sabate, J., Espuny, M. J., and Solanas, A. M. (2005). “Bacterial community dynamics and polycyclic aromatics hydrocarbon degradation during bioremediation of heavily creosote-contaminated soil.” Appl. Environ. Microbiol., 71, 7008-7018.