Auld D.L., Zanotto M.D., McKeon T., and John Morris B. 2009. Oil Crops. Springer Dordrecht Heidelberg, Germany, 548p.
Bandiera M., Mosca G., and Vamerali T. 2009. Humic acids affect root characteristics of fodder radish (Raphanus sativus L. var. oleiformis Pers.) in metal – polluted wastes. Desalination, 247: 78 – 91.
Chen Y. 1996. Organic Matter Reactions Involving Micronutrients in Soils and Their Effect on Plants. In: Piccolo, A. (Ed), Humic Substances in Terrestrial Ecosystems. Elsevier, Amsterdam. pp. 507–530.
Chen Y.X., Lin Q., Luo Y.M., He Y.F., Zhen S.J., Yu Y.L., Tian G.M., and Wong M.H. 2003. The role of citric acid on the phytoremediation of heavy metal contaminated soil. Chemosphere, 50: 807-811.
Dehno A.H., and Mohtadi A. 2018. The effect of different iron concentrations on lead accumulation in hydroponically grown Matthiola flavida Boiss. Ecological Research, 33: 757-765.
Duan D., Tong J., Xu Q., Dai L., Ye J., Wu H., Xu C., and Shi, J. 2020. Regulation mechanisms of humic acid on Pb stress in tea plant (Camellia sinensis L.). Environmental Pollution, 267: p.115546.
Evangelou M.W.H., Ebel M., and Schaeffer, A. 2006. Evaluation of the effect of small organic acids on phytoextraction of Cu and Pb from soil with tobacoo nicotiana tabacum. Chemosphere, 63: 996-1004.
Evangelou M.W.H., Daghan H., and Schaeffer A. 2004. The influence of humic acids on the phytoextraction of cadmium from soil. Chemosphere, 57:207-213.
Gan L., Yan Z., Ma Y., Zhu Y., Li X., Xu J., and Zhang, W. 2019. pH dependence of the binding interactions between humic acids and bisphenol A - A thermodynamic perspective. Environmental Pollution, 225: 113292.
Gee, G.W., and Bauder, J.W., 1986. Particle size analysis. In: Klute, A. (Ed.), Methods of Soil Analysis: Physical and Mineralogical Methods, Part 1, Second ed. Soil Science Society of America Inc., Madison, WI, pp. 383–409.
Ghosh M., and Singh S.P. 2005. A review on phytoremediation of heavy metal and utilization of its by-products. Applied ecology and environmental research, 3: 1-18.
Gitipour S., Akbarpour F.,Baghdadi M. and Mehrdadi N. 2022. Influence of the organic acids on the heavy metals mobility and distribution in the contaminated soils. Applied Soil Research, 9(4): 62-73.
Guo Y. and Marschner H. 1995. Uptake, distribution, and binding of cadmium and nickel in different plant species. Journal of Plant Nutrition, 18: 2691-2706.
Haberhauer G., Rafferty B., Strebl F., and Gerzabek, M.H. 1998. Comparison of the composition of forest soil litter derived from three different sites at various decompositional stages using FTIR spectroscopy. Geoderma, 83: 331-342.
Haghighi M., and Kafi M.
2010. Effect of humic acid on the accumulation of cadmium, nitrate and changes of nitrate reductase activity in lettuce. Journal of Horticulture Science (Agricultural Sciences and Technology)
, 1: 53-58. (In Persian)
Hamzenejad taghlidabad R. and Khodaverdiloo H. 2020. Quantitative assessment of soil heavy metals pollution. Applied Soil Research, 8(2): 37-52.
Jones, J.B., 2001. Laboratory Guide for Conducting Soils Tests and Plant Analysis. CRC Press, New York.
Kadem D., Rached O., Krika A., and Gheribi-Aoulmi, Z. 2004. Statistical analysis of vegetation incidence on contamination of soils by heavy metals (Pb, Ni and Zn) in the vicinity of an Iron steel industrial plant in Algeria. Environmetrics, 15: 447–462.
Kansara K., Paruthi A., Misra S.K., Karakoti A.S., and Kumar, A. 2019. Montmorillonite clay and humic acid modulate the behavior of copper oxide nanoparticles in aqueous environment and induces developmental defects in zebra fish embryo. Environmental Pollution, p. 113313.
Karimi A., Khodaverdiloo, H., and Rasouli-Sadaghiani M.H. 2018. Plant tolerance, accumulation and remediation of Pb by three rangeland plant species in a calcareous soil in West Azerbaijan Province. Journal of Natural Environment, 70: 907-922. (In Persian)
Khodaverdiloo H., Han F.X., Hamzenejad Taghlidabad R., Karimi A., Moradi N., and Kazery J. A. 2020. Potentially toxic element contamination of arid and semi-arid soils and its phytoremediation. Arid Land Research and Management, 34: 361-91.
Kim H.C., Yu M.J., and Han I. 2006. Multi-method study of the characteristic chemical nature
of aquatic humic substances isolated from the Han River, Korea. Applied Geochemistry, 21:
Komar L., Tu C., Zhang W., Cai Y., and Kennelley E.K. 2001. A fern that hyperaccumulates arsenic. Nature Journal, 409: 579-585.
Kulikowska D., Gusiatin Z.M., Bułkowska K., and Klik B. 2015. Feasibility of using humic substances from compost to remove heavy metals (Cd, Cu, Ni, Pb, Zn) from contaminated soil aged for different periods of time. Journal of Hazardous Materials, 300: 882–891.
Lasat M.M. 2002. Phytoextraction of heavy metals: A review of biological mechanisms. Journal of Environmental Quality, 31: 109–120.
Li X., Peng P., Long J., Dong X., Jiang K., and Hou, H. 2020. Plant-induced insoluble Cd mobilization and Cd redistribution among different rice cultivars. Journal of Clean Production, 256: p. 120494.
Lindsay W.L., and Norvell W.A. 1978. Development of DTPA soil test for Zinc, Iron, manganese and copper. Soil Science Society of American Journal, 42:421–428.
Page, A.L., Miller R.H., and Keeney, D.R. 1982. Methods of Soil Analysis, Part 2, Chemical and Microbiological Properties. American Society of Agronomy, Inc. Soil Science of America, Inc. Madison, Wisconsin, USA, 1195 p.
Park S., Kim K.S., Kang D., Yoon H., and Sung K. 2013. Effects of humic acid on heavy metal uptake by herbaceous plants in soils simultaneously contaminated by petroleum hydrocarbons. Environmental Earth Sciences, 68: 2375-2384.
Rashid I., Murtaza G., Ahmed Dar A., and Wang Z. 2020. The influence of humic and fulvic acids on Cd bioavailability to wheat cultivars grown on sewage irrigated Cd-contaminated soils. Ecotoxicology and Environmental Safety, 205: 111347.
Rasouli-Sadaghiani M.H., Karimi H., Khodavediloo H., Moradi M., and Barin, N. The Role of Humic Acid on Phytoremediation of Pb through a Pasture Collar Plant (Xeanthium vetelus). Water and Soil Science, 27: 249-266 (In Persian)
Rauthan B.S., and Schnizer, M. 1981. Effects of soil fulvic acid on the growth and nutrient content of cucumber plant. Plant and soil, 63: 491-495.
Robinson B.H., Millis T.M., Petit D., Fung L.E., Green S.R, and Clothier B.E. 2000. Natural and induced cadmium accumulation poplar and willow: implications for phytoremediation. Plant Soil, 227: 301–306.
Rodríguez F.J., Schlenger P., and García-Valverde M. 2016. Monitoring changes in the structure and properties of humic substances following ozonation using UV–Vis, FTIR and 1H NMR techniques. Science of the Total Environment, 541: 623-637.
Rong Q., Zhong K., Huang H., Li C., Zhang C., and Nong X. 2020. Humic acid reduces the available cadmium, copper, lead, and zinc in soil and their uptake by tobacco. Applied Science, 10: p.1077.
Rothery E. 1988. Analytical methods for graphite tube atomizers. Varian Australia Pty Ltd, Mulgrave, p.193.
Salm M.A., Morton D.W., Johnson B.B., and Angove M.J. 2020. Adsorption of humic and fulvic acids onto a range of adsorbents in aqueous systems, and their effect on the adsorption of other species: A review, Separation and Purification Technology, p. 116949.
Schützendübel A., and Polle, A. 2002. Plant responses to abiotic stresses: Heavy metal‐induced oxidative stress and protection by mycorrhization. Journal of Experimental Botany, 53:1351–1365.
Senden M.H.M.N., Van Paassen F.J.M., VanDerMeer A.J.G.M., and Wolterbeek H.T.H. 1990. Cadmium–citric acid–xylem cell wall interactions in tomato plants. Plant, Cell and Environment, 15: 71–79.
Senesi N., D’Orazio V., and Ricca G. 2003. Humic acids in the first generation of Eurosoils. Geoderma, 116: 325–344.
Sun B., Zhao F. G., Lombi E., and Mc Grath, S.P. 2001. Leaching of heavy metals from contaminated soil using EDTA. Enviromental Pollution, 113: 111-120.
Ullah A., Heng S., Munis M.F.H., Fahad S., and Yang X. 2015. Phytoremediation of heavy metals assisted by plant growth promoting (PGP) bacteria: a review. Environmental and Experimental Botany, 117: 28-40.
Yu G., Jiang X., He W., and He Z. 2002. Effect of humic acids on species and activity of cadmium and lead in red soil. Acta Scientiae Circumstantiae, 22: 508-513.
Walkley, A., and Black. 1934. An examination of the dehligaroff method for determining organic matter and a proposed modification of the chromic acid titration method. Soil Science, 37: 29-38.
Wang Q., Li Zh., Cheng Sh., and Wu, Zh. 2010. Effects of humic acids on phytoextraction of Cu and Cd from sediment by Elodea nuttallii. Chemospher, 78: 604 – 608.
Zhang Y., Yang X., Zhang S., Tian Y., Guo W., and Wang J. 2013. The influence of humic acids on the accumulation of lead (Pb) and cadmium (Cd) in tobacco leaves grown in different soils. Journal of Soil Science and Plant Nutrition, 13: 43-53.