1.Milijteknik,K.K ;Erik,K.;Fredriksen,V; Hibjerg,L.; Lindskov,Ch and Oemig,F.(2001)Remediation of mixed contamination soil and tar / PAH contaminated soil.
2.Lanaras,T.;Moustakas,M.;Symeonidis,L.;Diamantoglou,S.; Karataglis, S.(1993). Plant metal content, growth responses and some photosynthetic measurements on field-cultivated wheat growing on ore bodies enriched in Cu. Physiologia Plantarum. 88 : 307-314.
3.Youssef ,R.A.; Hegazy ,M.N and Abd-EL-Fattah ,A(1993).Effect of cadmium nitrogen and nitrogenon growth of corn in a clay loam soil . Annals Agric. Sci.,38(1):337-343.
4.Dudka, S. ; Piotrowska, M. and Chlopecka, A. (1994). Effect of elevated concentrations of Cd and Zn in soil on spring wheat yield and the metal contents of the plants. Water Air Soil Pollut. 76: 333-341.
5.Abdel-Aal, A.E. and Abdel-Nasser, L.E. (1995). Effect of cadmium and lead ions on the growth characteristics, chlorophyll content and some photosynthetic enzymes activity in maize (Zea mays L.) Seedings. Alex. J. Agric. Res. 40(1) : 317-338.
6.Athar Rana and Ahmad M.(2010). Heavy Metal Toxicity: Effect on PlantGrowth and Metal Uptake by Wheat, and on Free Living Azotobacter.water Air pollution .v.138.N.1-4.P:165-180.
7.Li,et al.,(2011). Cadmium pollution enhanced ozone damage to winter wheat: Biochemical and physiological evidences. Journal of Environmental Sciences 2011, 23(2) P: 1–11.
8.Black, G.R and Hartge, C (1986).Bulk density in methods of soil structure and migration of colloidal materials in soil .soil Sci . Soc . Am. Proc .,26:297-300.
9.Richard, I.A(1954). Diagnosis and Improvement of Salience and Alkali Soil . U.S.Dept. Agric.Handbook.
10.Jackson, M.L(1958).Soil chemical analysis (ed.).Prentice Hall .Inc.
11. صبحی، عبد الله ایمن(2000).تأثیر موعد الزراعة والکثافة النباتیة على الصفات وحاصل العلف الأخضر للذرة الصفراء. رسالة ماجستیر،کلیة الزراعة، جامعة تکریت.
12.Arnon, D.I (1949).Copper enzyme in isolated chloroplastes polyphenol oxidaes in Beta vulgaris., Plant Physiol., 24:1-15.
13.APHA,(American Public Health Association) (1998).Standard method for the examination of water and waste water,20thed.1015 fifteen street,N.W.,Washington DC,USA.
14. داود , خالد محمد والیأس, زکی عبد(1990). الطرق الإحصائیة للأبحاث الزراعیة, مدیریة دار الکتب للطباعة والنشر, جامعة الموصل, الموصل, العراق.
15.Wu, F.B.; Chen,F.; Wei,K and Zhang, G.P (2004). Effect of cadmium on free amino acid, glutathione and ascorbic acid concentration in two barley genotypes (Hordeum vulgare L.) differing in Cadmium tolerance. Chemosphere .,578:447-454.
16.Küpper , H ; Küpper, F and Spiller ,M(1996). Environmental relevance of heavy metal substituted chlorophylls using the example of water plants .J.Exp.Bot.47:259-266.
17.Sao,vibol; N. and paitipT.(2007).Cadmium accumulation by Axonopus compress us (sw.) P.Beauv and Cyperus rotundas L. inn growing in cadmium solution and cadmium-zinc contaminated soil. songklanakarin J.sci.Technol 29(3):881-892.
18.Das, M. and Maiti, S.K. (2007). Metal accumulation in 5 native plants growing on Abundoned Cu-Talling ponds. Applied Ecology and Environmental Research. 5(1): 27-35.