Abad-Valle, P., Alvarez-Ayuso, E., Murciego, A. and Pellitero E. (2016). Assessment of the use of sepiolite amendment to restore heavy metal polluted mine soil. Geoderma, 280, 57-66.
Al-Degs, A., Kharasheh, M.A.M. and Tutunji, M.F. (2001). Sorption of lead ions on diatomite and manganes oxides modified diatomite. Water Research, 35, 3724-3728.
Anegbe, B., Okuo, J. M., Ewekay, E. O. and Ogbeifun, D. E. (2014). Fractionation of lead-acid battery soil amended with Biochar. Bayero Journal of Pure and Applied Sciences, 7(2), 36-43.
Angin, I., Kose, M. and Aslantas, R. (2011). Effect of diatomite on growth of strawberry. Pakistan Journal of Botany, 43(1), 573-577.
Bilgin, M. and Tulun, S. (2015). Use of diatomite for the removal of lead ions from water: thermodynamics and kinetics. Biotechnology and Biotechnological Equipment, 29(4), 696-704, DOI: 10.1080/13102818.2015.1039059.
Caliskan, N., Kul, A.R., Alkan, S., Sougut, E.G. and Alacabey, I. (2011). Adsorption of zinc (II) on diatomite and manganese-oxide-modified diatomite: A kinetic and equilibrium study. Journal of Hazardous Materials, 193, 27-36.
Cabral, A. R. and Lefebvre, G. (1998). Use of sequential extraction in the study of heavy metal retention by silty soils. Water, Air and Soil Pollution, 102, 329–344.
Chapman, H. D. (1965) Cation exchange capacity. In C. A. Black (Ed.), Methods of soil analysis (Part 2). (pp. 891–90). AI, Agron. Madison, WI.
Feng, M. H., Shan, X. Q., Zhang, S. and Wen, B. (2005). Comparison of rhizosphere-based method with other one-step extraction methods for assessing the bioavailability of soil metals to wheat. Chemosphere, 59(7), 939–949.
Flores-Cano J.V., Layva-Ramos R., Padilla-Ortega, E. and Mendoza-Barron. (2013). Adsorption of heavy metals on diatomite: Mechanism and effect of operating variabbles. Adsorption Science and Technology, 213(31), 275-291.
Gee, G. W. and Bauder, J. W. (1986). Particle-size analysis. In: A. Klute (ed.), Methods of Soil Analysis (Part 1). 2nd ed. (pp. 383–412). Agron. Monogr. 9. ASA and SSSA, Madison, WI.
Hamzenejad Taghlidabad and R., Sepehr, E. (2017). Heavy metals immobilization in contaminated soil by rape-pruning-residue biochar, Archives of Agronomy and Soil Science, DOI:10.1080/03650340.2017.1407872.
Han, F. X., Banin, A., Kingery, W. L., Triplett, G. B., Zhou, L. X. and Zheng, S. J. (2003). New approach to studies of heavy metal redistribution in soil. Advances in Environmental Research, 8(1), 113-120.
Hossam, E. G. M. M. (2010). Diatomite: Its characterization, modifications and application. Asia journal of materials science, 2(3), 121-136.
Illera, V., Walter, I., Souza, P. and Cala, V. (2000). Short-term effects of biosolid and municipal solid waste applications on heavy metals distribution in a degraded soil under a semi-arid environment. The Science of the TotalEnvironment, 255, 29-44.
Irani. M., Amjadi, M. and Mousavian, M.A. (2011). Comparative study of lead sorption onto natural perlite, dolomite and diatomite, Chemical Engineering Journal, 178, 317- 323.
Khraisheh, M.A.M., Al-degs, Y. and Meminn. (2004). Remediation of wastewater containing heavy metals using raw and modified diatomite. Chemical Engineering, 99, 177-184.
Li, H., Ye, X., Geng, Z., Zhou, H., Guo, X., Zhang, Y., Zhao, H. and Wang, G. (2016). The inﬂuence of biochar type on long-term stabilization for Cd and Cu in contaminated paddy soils. Journal of Hazardous Materials, 304: 40–48.
Lindim, C., de Varennes, A. Torres, M.O. and Mota, A.M. (2001). Remediation of sandy soil artificially contaminated with cadmium using a polyacrylate polymer. Communications in Soil Science and Plant Analysis, 32, 1567-1574.
Lindsay, W. L. and Norvell, W. A. (1978). Development of a DTPA soil test for zinc, iron, manganese and copper. Soil Science Society of America Journal, (42): 421-428.
Malandrino M, Abollino O, Buoso S, Giacomino A, La Gioia C, Mentasti E. (2011). Accumulation of heavy metals from contaminated soil to plants and evaluation of soil remediation by vermiculite. Chemosphere, 82(2), 169–178.
Mashal, K., Al-Qinna, M., and Ali, Y. (2009). Spatial distribution and environmental implications of lead and zinc in urban soils and street dusts samples in Al-Hashimeyeh Municipality. Jordan Journal of Mechanical and Industrial Engineering, 2, 141-150.
Morgan, J. J. and Stumm, W. (1995) Chemical processes in the environment, relevance of chemical speciation. In E. Merian (Ed.), Metals and Their Compounds in the environment. (pp. 67–103).
Nelson, D. W. and Sommers, L. E. (1982) Total carbon, organic carbon, and organic matter. In A. L. Page et al. (Ed.), Methods of Soil Analysis. (Part 2). 2nd ed. (pp. 539–579). Agron. Monogr. 9. ASA and SSSA, Madison, WI.
Nenadovic, S., Kljajević, Lj. Marković, S. Omerašević, M. Jovanović, U. Andrić V. and Vukanac, I. (2015). Natural Diatomite (Rudovci, Serbia) as Adsorbent for Removal Cs from Radioactive Waste Liquids. Science of Sintering, 47, 299-309.
Oustan, S., Heidari, S., Neyshabouri, M.R., Reyhanitabar, A., Bybordi, A. (2011). Removal of heavy metals from a contaminated calcareous soil using oxalic and acetic acids as chelating agents. International Conference on Environment Science and Engineering, 8,152-155.
Paradelo, R., Cambier, P., Jara-Miranda, A., Jaulin A., Doublet J. and Houot S. (2015). Mobility of Cu and Zn in Soil Amended with Composts at Different Degrees of Maturity. Waste Biomass Valor, DOI 10.1007/s12649-016-9641-y.
Puga, A.P., Melo, L.C.A., de Abreu, C.A., Coscione, A.R. and Paz-Ferreiro, J. (2016). Leaching and fractionation of heavy metals in mining soils amended with biochar. Soil and Tillage Research, 164, 25–33.
Rayment, G. E. and Higginson, F. R. (1992) Australian laboratory handbook of soil andwater chemical methods. Melbourne, Inkata Press.
Raskin, I. and Ensley, B.D. (2000). Phytoremediation of Toxic Metals: Using Plants to Clean Up the Environment. John Wiley and Sons, Inc. New York, 304p.
Saffari, M., Karimian, N., Ronaghi, A., Yasrebi, J., Ghasemi-Fasaei, R. (2015). Stabilization of nickel in a contaminated calcareous soil amended with low-cost amendments. Journal of Soil Science and Plant Nutrition, 15 (4), 896-913.
Saffari, M., Yasrebi, J., Karimian, N.A., Shan, X. Q. (2009). Effect of Calcium Carbonate Removal on the Chemical Forms of Zinc in Calcareous Soils by Three Sequential Extraction Methods. Research Journal of Biological Sciences, 4, 858-865.
Selim, A.Q., El-Midany, A.A. and Ibrahim, S.S. (2010). Microscopic evaluation of diatomite for advanced applications: Case study. Science, Technology, Applications and Education, 2174-2181.
Sheng, G., Wang, S. Hu, J. Lu, Y. Li, J. Dong Y. and Wang, X. (2009). Adsorption of Pb (II) on diatomite as affected via aqueous solution chemistry and temperature. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 339, 159–166.
Shi, W., Shao, H., Li, H., Shao, M. and Du, S. (2009). Progress in the remediation of hazardous heavy metal-polluted soils by natural zeolite. Journal of Hazardous Materials, 170, 1-6.
Sipos, P. (2009). Distribution and sorption of potentially toxic metals in four forest soils from Hungary. Central European Journal of Geosciences, 1(2),183 -192.
Soon, Y. K. and Abboud, S. (1993) Cadmium, chromium, lead and nickel. Soil sampling and method of analysis. (pp. 103 – 107). Lewis puplishers.
Sun Y B, Sun G H, Xu Y M, Wang L, Lin D S, Liang X F, Shi X. (2012). Insitu stabilization remediation of cadmium contaminated soils of wastewater irrigation region using sepiolite. Journal of Environmental Sciences-China, 24(10), 1799–1805.
Tessier, A., Campbell, P.G.C. and Bisson, M. (1979). Sequential extraction procedure for the speciation of particulate trace-metals. Analytical Chemistry, 51, 844–851.
Thomas, G. W.(1982). Exchangeable cations. pp 159-164. In: Page, A. L. et al. (Eds). Methods of Soil Analysis, ASA, SSSA, Madison, WI.Vassileva, P.S., Apostolova, M.S., Detcheva, A.K.
Vassileva, P.S., Apostolova, M.S., Detcheva, A.K. and Ivanova, E.H. (2013). Bulgarian natural diatomites: modiﬁcation and characterization. Journal of Chemistry and Chemical Engineering. 67: 342–349.
Wang, Y., Lu, Y.F., Chen, R. Z., Ma, L., Jiang, Y. and Wang, H. (2014). Lead ions sorption from waste solution using aluminum hydroxide modified diatomite. Journal of Environmental Protection, 5, 509-516.
Ye X., Kang S., Wang H., Li H. and Zhang Y. (2015). Modified natural diatomite and its enhanced immobilization of lead, copper and cadmium in simulated contaminated soils. Journal of Hazardous Materials, 289:210-218.
Yuan, X.Z., Huang, H.J., Zeng, G.M., Li, H., Wang, J.Y., Zhou, C.F., Zhu, H.N., Pei, X.K., Liu, Z.F. and Liu, Z.T. (2011). Total concentrations and chemical speciation of heavy metals in liquefaction residues of sewage sludge. Bioresource Technology, 102, 4104–4110.
Zhang F., Romheld V and Marschner H. (1989). Effet of zinc deﬁciency in wheat on the release of zinc and iron mobilization rootexudates. Z. Journal of Plant Nutrition and Soil Science, 152, 205–210.
Zhuravlev, L.T. (2000). The surface chemistry of amorphous silica. Zhuravlev model. Colloids and Surfaces A, 173,1-38.
Zhaolum, W., Yuxiang, Y., Xuping, Q., Jianbo, Z., Yaru, C. and Linxi, N. 2005. Decolouring mechanism of zhejiang diatomite. Application to printing and dyeing wastewater. Environmental Chemistry Letters. 3: 33-37.