Challenges and opportunities in the phytoremediation of heavy metals contaminated soils: A review

Ecotoxicology and Environmental Safety

Volumn 126, Issue , 2016, Pages 111-121

  Mahar, Amanullah ^a,b   Wang, Ping ^a   Ali, Amjad ^a   Awasthi, Mukesh Kumar ^a,c   Lahori, Altaf Hussain ^a   Wang, Quan ^a   Li, Ronghua ^a   Zhang, Zengqiang ^a  

^a NORTHWEST A F UNIVERSITY   (China)

^b UNIVERSITY OF SINDH   (Pakistan)

^c AKS University Satna   (India)

Author keywords

Agromining; Metals contamination; Phytoextraction; Soil reclamation

Indexed keywords

HEAVY METAL; SOIL POLLUTANT;

CONTAMINATED LAND; HEAVY METAL; MINING; PHYTOREMEDIATION; SOIL POLLUTION; TOXIC SUBSTANCE;

BIOACCUMULATION; CONCENTRATION (PARAMETERS); ENVIRONMENTAL RECLAMATION; MINING; NONHUMAN; PHYTOEVAPORATION; PHYTOEXTRACTION; PHYTOREMEDIATION; PHYTOSTABILIZATION; REVIEW; RHIZODEGRADATION; RISK ASSESSMENT; SOIL AMENDMENT; SOIL POLLUTION; SPECIES DIVERSITY; BIOREMEDIATION; HUMAN; METABOLISM; PLANT; POLLUTION; PREVENTION AND CONTROL; SOIL POLLUTANT;

BIODEGRADATION, ENVIRONMENTAL; ENVIRONMENTAL POLLUTION; HUMANS; METALS, HEAVY; PLANTS; SOIL POLLUTANTS;

EID: 84951784298     PISSN: 01476513     EISSN: 10902414     Source Type: Journal    
DOI: 10.1016/j.ecoenv.2015.12.023     Document Type: Review

References (135)

1. Abhilash P.C., Powell J.R., Singh H.B., Singh B.K. Plant-microbe interactions: novel applications for exploitation in multipurpose remediation technologies. Trends Biotechnol. 2012, 30:416-420.
2. Aleksandra S.N., Galimska-Stypa R., Kucharski R., Zielonka U., Małkowski E., Gray L. Remediation aspect of microbial changes of plant rhizosphere in mercury contaminated soil. Environ. Monit. Assess. 2008, 137:101-109.
3. Alkorta I., Hernández A.J., Becerril J.M., Amezaga I., Albizu I., Onaindia M., Garbisu C. Chelate-enhanced phytoremediation of soils polluted with heavy metals. Rev. Environ. Sci. Biotechnol. 2004, 3:55-70.
4. Altinozlu H., Karagoz A., Polat T., Unver I. Nickel hyperaccumulation by natural plants in Turkish serpentine soils. Turk. J. Bot. 2012, 36:269-280.
5. Anderson C.W.N., Brooks R.R., Stewart R.B., Simcock R. Gold uptake by plants. Gold Bull. 1999, 32:48-52.
6. Antony V.D.E., Alan J.M., Baker, Roger, D.R., Rufus L.C., Christopher W.N., Anderson J.A., Meech P.D., Erskine M.O., Simonnot J.V., Vaughan J., Louis M., Guillaume E., Bruno F., Qiu R., David R.M. Agromining: farming for metals in the future?. Environ. Sci. Technol. 2015, 49:4773-4780.
7. Araceli P.S., Millan R., Sierra M.J., Alarcon R., Garcia P., Gil-Diaz M., Vazquez S., Lobo M.C. Mercury uptake by Silene vulgaris grown on contaminated spiked soils. J. Environ. Manag. 2012, 95:233-237.
8. Baker A.J.M., Brooks R.R. Terrestrial higher plants which hyperaccumulate metal elements: a review of their distribution, ecology, and phytochemistry. Biorecovery 1989, 1:81-126.
9. Baker A.J.M., Reeves R.D.A., Hajar S.M. Heavy metal accumulation and tolerance in British populations of the metallophyte Thlaspi caerulescens J. & C. Presl (Brassicaceae). New Phytol. 1994, 127:61-68.
10. Baldwin P.R., Butcher D.J. Phytoremediation of arsenic by two hyperaccumulators in a hydroponic environment. Microchem. J. 2007, 85:297-300.
11. Bani A., Pavlova D., Echevarria G., Mullaj A., Reeves R.D., Morel J.L., Sulce S. Nickel hyperaccumulation by the species of Alyssum and Thlaspi (Brassicaceae) from the ultramafic soils of the Balkans. Bot. Serb. 2010, 34:3-14.
12. Barcelo J., Poschenrieder C. Phytoremediation: principles and perspectives. Contrib. Sci. 2003, 2:333-344.
13. Bhargava A., Carmona F.F., Bhargava M., Srivastava S. Approaches for enhanced phytoextraction of heavy metals. J. Environ. Manag. 2012, 105:103-120.
14. Blaylock M., Salt D.E., Dushenkov S., Zakharova O., Gussman C., Kapulnik Y., Raskin I. Enhanced accumulation of Pb in Indian mustard by soil-applied chelating agents. Environ. Sci. Technol. 1997, 31:860-865.
15. Bolan N., Kunhikrishnan A., Thangarajana R., Kumpiene J., Park J., Makino T., Kirkham M.B., Scheckel K. Remediation of heavy metal (loid)s contaminated soils - to mobilizeor to immobilize?. J. Hazard. Mater. 2014, 26:141-166.
16. Bridgwater A.V., Meier M., Radlein D. An over view of fast pyrolysis of biomass. Org. Geochem. 1999, 30:1479-1493.
17. Brooks R.R., Lee J., Reeves R.D., Jaffrre T. Detection of nickel ferrous rocks by analysis of herbarium specimens of indicator plants. J. Geochem. Explor. 1977, 7:49-57.
18. Brooks R.R., Chambers M.F., Nicks L.J., Robinson, B.H.B.H. Phytomining. Trends Plant Sci. 1998, 1:359-362.
19. Brunner I., Luster J., Günthardt-Goerg M.S., Frey B. Heavy metal accumulation and phytostabilization potential of tree fine roots in a contaminated soil. Environ. Pollut. 2008, 152:559-568.
20. Chaney R.L. Plant uptake of inorganic waste constituents. Land Treatment of Hazardous Wastes 1983, 50-76. Noyes Data Corp., Park Ridge, NJ. J.F.E.A. Parr (Ed.).
21. Chaney R.L., Broadhurst C.L., Centofanti T. Phytoremediation of soil trace elements. Trace Elements in Soils 2010, 311-352. John Wiley & Sons, Chichester. P.S. Hooda (Ed.).
22. Chaney R.L., Angle J.S., Broadhurst C.L., Peters C.A., Tappero R.V., Sparks D.L. Improved understanding of hyperaccumulation yields commercial phytoextraction and phytomining technologies. J. Environ. Qual. 2007, 36:1429-1443.
23. Chaudhry T.M., Hayes W.J., Khan A.G., Khoo C.S. Phytoremediation-focusing on accumulator plants that remediate metal-contaminated soils. Aust. J. Ecotoxicol. 1998, 4:37-51.
24. Chehregani A., Malayeri B.E. Removal of heavy metals by native accumulator plants. Int. J. Agric. Biol. 2007, 9:462-465.
25. Clemens S. Developing tools for phytoremediation: towards a molecular understanding of plant metal tolerance and accumulation. Int. J. Occup. Med. Environ. Health 2001, 14:235-239.
26. Conesa H.M., Schulin R., Nowack B. A laboratory study on revegetation and metal uptake in native plant species from neutral mine tailings. Water, Air, Soil Pollut. 2007, 183:201-212.
27. Convard, Nancy S.A., Tomlinson, A., Welch, C., 2005. Strategies for preventing and mitigating land-based sources of pollution to trans-boundary water resources in the Pacific region. SPREP.
28. Cunningham S.D., Ow D.W. Promises and prospects of phytoremediation. Plant Physiol. 1996, 110:715-719.
29. De Sousa C., Ghoshal S. 6-Redevelopment of brownfield sites, Zeman, Frank. Metrop. Sustain. 2012, 99-117.
30. Dickinson N.M., Baker A.J.M., Doronila A., Laidlaw S., Reeves R.D. Phytoremediation of inorganics: realism and synergies. Int. J. Phytoremediat. 2009, 11:97-114.
31. Dipu S., Kumar A.A., Thanga S.G. Effect of chelating agents in phytoremediation of heavy metals. Remediat. J. 2012, 22:133-146.
32. Doty S.L., Shang Q.T., Wilson A.M., Moore A.L., Newman L.A., Strand S.E. Enhanced metabolism of halogenated hydrocarbons in transgenic plants containing mammalian P450 2E1. Proc. Natl. Acad. Sci. USA 2007, 97:6287-6291.
33. Environmental Protection Ministry, PR China, 2015. http://www.bbc.com/news/world-asia-china-27076645.
34. Erakhrumen A.A. Phytoremediation: an environmentally sound technology for pollution prevention, control and remediation in developing countries. Educ. Res. Rev. 2007, 2:151-156.
35. Ernst W.H.O. Phytoextraction of mine wastes - options and impossibilities. Chem. Erde 2005, 65:29-42.
36. Evangelou M.W., Ebel M., Schaeffer A. Chelate assisted phytoextraction of heavy metals from soil, effect, mechanism, toxicity, and fate of chelating agents. Chemosphere 2007, 68(6):989-1003.
37. Garbisu C., Alkorta I. Basic concepts on heavy metal soil bioremediation. Eur. J. Min. Process. Environ. Prot. 2003, 3:58-66.
38. Garcia-Salgado S., Garcia-Casillas D., Quijano-Nieto M.A., Bonilla-Simon M.M. Arsenic and heavy metal uptake and accumulation in native plant species from soils polluted by mining activities. Water, Air, Soil Pollut. 2012, 223:559-572.
39. Ghosh M., Singh S.P. A review on phytoremediation of heavy metals and utilization of its byproducts. Appl. Ecol. Environ. Res. 2005, 3:1-18.
40. Ghosh S. Wetland macrophytes as toxic metal accumulators. Int. J. Environ. Sci. 2010, 1:523-528.
41. Greipsson S. Phytoremediation. Nat. Educ. Knowl. 2011, 2:7.
42. Halim M., Conte P., Piccolo A. Potential availability of heavy metals to phytoextraction from contaminated soils induced by exogenous humic substances. Chemosphere 2003, 52:265-275.
43. Harris T., Naidoo K., Nokes J., Walker T., Orton F. Indicative assessment of the feasibility of Ni and Au phytomining in Australia. J. Clean. Prod. 2009, 17:194-200.
44. Huang J., Chen J., Berti W., Cunningham S. Phytoremediation of lead-contaminated soils: Role of synthetic chelates in lead phytoextraction. Environ. Sci. Technol. 1997, 31:800-805.
45. Huang J.W., Cunningham S.D. Lead phytoextraction: species variation in lead uptake and translocation. New Phytol. 1996, 134:75-84.
46. Jaffre T., Brooks R.R., Lee J., Reeves R.D. Sebertia acuminata: a nickel accumulating plant from New Caledonia. Science 1976, 193:579-580.
47. Jean L., Bordas F., Gautier-Moussard C., Vernay P., Hitmi A., Bollinger J.C. Effect of citric acid and EDTA on chromium and nickel uptake and translocation by Datura innoxia. Environ. Pollut. 2008, 153:555-563.
48. Jian C., Safwan S., Fengxiang X.H., David L.M., Charles A.W., Zhimin Y., Yi S. Bioaccumulation and physiological effects of mercury in Pteris vittata and Nephrolepis exaltata. Ecotoxicology 2009, 18:110-121.
49. Jianxu W., Xinbin F., Christopher W.N.A., Ying X., Lihai S. Remediation of mercury contaminated sites - a review. J. Hazard. Mater. 2012, 221-222:1-18.
50. Kalve S., Sarangi B.K., Pandey R.A., Chakrabarti T. Arsenic and chromium hyperaccumulation by an ecotype of Pteris vittata - prospective for phytoextraction from contaminated water and soil. Curr. Sci. 2011, 100:888-894.
51. Karami A., Shamsuddin Z.H. Phytoremediation of heavy metals with several efficiency enhancer methods. Afr. J. Biotechnol. 2010, 9:3689-3698.
52. Kawahigashi H. Transgenic plants for phytoremediation of herbicides. Curr. Opin. Biotechnol. 2009, 20:225-230.
53. Keeling S.M., Stewart R.B., Anderson C.W.N., Robinson B.H. Nickel and cobalt phytoextraction by the hyperaccumulator Berkheya coddii: implications for polymetallic phytomining and phytoremediation. Int. J. Phytoremediat. 2003, 5(3):235-244.
54. Koopmans G.F., Romkens P.F.A.M., Song J., Temminghoff E.J.M., Japenga J. Predicting the phytoextraction duration to remediate heavy metal contaminated soils. Water, Air, Soil Pollut. 2007, 181:355-371.
55. Koptsik G.N. Problems and prospects concerning the phytoremediation of heavy metal polluted soils: a review. Eurasian Soil Sci. 2014, 47:923-939.
56. Kos B., Leštan D. Soil washing of Pb, Zn and Cd using biodegradable chelator and permeable barriers and induced phytoextraction by Cannabis sativa. Plant Soil 2004, 263:43-51.
57. Kotrba P., Najmanova J., Macek T., Ruml T., Mackova M. Genetically modified plants in phytoremediation of heavy metal and metalloid soil and sediment pollution. Biotechnol. Adv. 2009, 27:799-810. 10.1016/j.biotechadv.2009.06.003.
58. Kryuchkov, V.V., 1985. Rehabilitation of Disturbed Lands in the North, Priroda, No. 7, pp. 68-77.
59. Kucharski R., Sas Nowosielska A., Ma kowski E., Japenga J., Kuperberg J.M., Pogrzeba M., Krzyzak J. The use of indigenous plant species and calcium phosphate for the stabilization of highly metal polluted sites in southern Poland. Plant Soil 2005, 273:291-305.
60. Lasat M.M. Phytoextraction of toxic metals: a review of biological mechanisms. J. Environ. Qual. 2002, 31:109-120.
61. Leštan D., Luo C., Li X. The use of chelating agents in the remediation of metal contaminated soils: a review. Environ. Pollut. 2008, 153:3-13.
62. LeDuc D.L., Terry N. Phytoremediation of toxic trace elements in soil and water. J. Ind. Microbiol. Biotechnol. 2005, 32:514-520.
63. Li N., Li R., Feng J., Zhang Z., Shen F. Remediation effects of heavy metals contaminated farmland using fly ash based on bioavailability test. Trans. Chin. Soc. Agric. Eng. 2015, 31:203-2019.
64. Li Y.M., Chaney R., Brewer E., Roseberg R., Angle J.S., Baker A., Reeves R., Nelkin J. Development of a technology for commercial phytoextraction of nickel: economic and technical considerations. Plant Soil 2003, 249:107-115.
65. Liu X.M., Wu Q.T., Banks M.K. Effect of simultaneous establishment of Sedum alfridii and Zea mays on heavy metal accumulation in plants. Int. J. Phytoremediat. 2005, 7:43-53.
66. Lombi E., Zhao F.J., Dunham S.J., McGrath S.P. Phytoremediation of heavy metal-contaminated soils: natural hyperaccumulation versus chemical enhanced phytoextraction. J. Environ. Qual. 2001, 30:1919-1926.
67. Lone M.I., Peter Z.L.H., Stoffella J., Xiao E.Y. Phytoremediation of heavy metal polluted soils and water: progresses and perspectives. J. Zhejiang Univ. Sci. B 2008, 9:210-220.
68. Luis R., Lopez-Bellido F., Carnicer A., Alcalde-Morano V. Phytoremediation of mercury-polluted soils using crop plants. Fresenius Environ. Bull. 2003, 12:967-971.
69. Luis R., Rincon J., Asencio I., Rodriguez-Castellanos L. Capability of selected crop plants for shoot mercury accumulation from polluted soils: phytoremediation perspectives. Int. J. Phytoremediat. 2007, 9:1-13.
70. Luo L.M.Y., Zhang S., Wei D., Zhu Y.G. Inventory of trace element inputs to agricultural soils in China. J. Environ. Manag. 2009, 90:2524-2530.
71. Mahar A., Wang P., Li R., Zhang Z. Immobilization of lead and cadmium in contaminated soil using amendments: a review. Pedosphere 2015, 25:555-568.
72. Martínez M., Bernal P., Almela C., Vélez D., García-Agustín P., Serrano R., Navarro-Avi ó J. An engineered plant that accumulates higher levels of heavy metals than Thlaspi caerulescens, with yields of 100 times more biomass in mine soils. Chemosphere 2006, 64:478-485.
73. McGrath S.P., Zhao F.J. Phytoextraction of metals and metalloids from contaminated soils. Curr. Opin. Biotechnol. 2003, 14(3):277-282.
74. McGrath S.P., Zhao F.J., Lombi E. Plant and rhizoshphere processes involved in phytoremediation of metal-contaminated soils. Plant Soil 2001, 232:207-214.
75. McIntyre T. Phytoremediation of heavy metals from soils. Adv. Biochem. Eng. Biotechnol. 2003, 78:97-123.
76. Meers E., Tack F.M.G., Van S.S., Ruttens A.G., Du L.G., Vangronsveld J., Verloo M.G. Chemically assisted phytoextraction: a review of potential soil amendments for increasing plant uptake of heavy metal. Int. J. Phytoremediat. 2008, 10(5):390-414.
77. Meers E., Slycken S.V., Adriaensen K., Ruttens A., Vangronsveld J., Laing G.D., Witters N., Thewys T., Tack F.M.G. The use of bio-energy crops (Zea mays) for 'phytoremediation' of heavy metals on moderately contaminated soils: a field experiment. Chemosphere 2010, 78:35-41.
78. Memon A.R., Schroder P. Implications of metal accumulation mechanisms to phytoremediation. Environ. Sci. Pollut. Res. 2009, 16:162-175.
79. Memon A.R., Aktoprakligil D., Ozdemir A., Vertii A. Heavy metal accumulation and detoxification mechanisms in plants. Turk. J. Bot. 2001, 25:111-121.
80. Merkle S.A. Engineering forest trees with heavy metal resistance genes. Silvae Genet. 2006, 55:263-268.
81. Mesjasz-Przyby O.J., Nakonieczny M., Migula P., Augustyniak M., Tarnawska M.M., Reimold W.U., Koeberl C., Przyby O.W., Owacka E.G. Uptake of cadmium, lead, nickel and zinc from soil and water solutions by the nickel hyperaccumulator Berkheya coddii. Acta Biol. Cracov. Ser. Bot. 2004, 46:75-85.
82. Moradi A.B., Oswald S.E., Nordmeyer-Massner J.A., Pruessmann K.P., Robinson B.H., Schulin R. Analysis of nickel concentration profiles around the roots of the hyperaccumulator plant Berkheya coddii using MRI and numerical simulations. Plant Soil 2010, 328:291-302.
83. Mukhopadhyay S., Maiti S.K. Phytoremediation of metal enriched mine waste: a review. Glob. J. Environ. Res. 2010, 4:135-150.
84. Naees M., Ali Q., Shahbaz M., Ali F. Role of rhizobacteria in phytoremediation of heavy metals: an overview. Int. Res. J. Plant Sci. 2011, 2:220-232.
85. Naser Z., Liu J.S., Wang Q.C., Liang Z.Z. Mercury contamination due to zinc smelting and chlor-alkali production in NE China. Appl. Geochem. 2011, 26:188-193.
86. Nazir A., Malik R.N., Ajaib M., Khan N., Siddiqui M.F. Hyperaccumulators of heavy metals of industrial areas of Islamabad and Rawalpindi. Pak. J. Bot. 2011, 43:1925-1933.
87. Nowack E., Schulin R., Robinson B.H. Critical assessment of chelant-enhanced metal phytoextraction. Environ. Sci. Technol. 2006, 40(17):5225-5232.
88. Odjegba V.J., Fasidi I.O. Phytoremediation of heavy metals by Eichhornia crassipes. Environmentalist 2007, 27:349-355.
89. Orooj S., Sayeda S.S., Kinza W., Alvina G.K. Phytoremediation of soils: prospects and challenges. Soil Remediat. Plants 2015, 10.1016/B978-0-12-799937-1.00001-2.
90. Padmavathiamma P.K., Li L.Y. Phytoremediation technology: hyperaccumulation metals in plants. Water, Air, Soil Pollut. 2007, 184:105-126.
91. Perez, J., 2012. The Soil Remediation Industry in Europe: The Recent Past and Future Perspectives, pp. 2-22.
92. Pilon-Smits E. Phytoremediation. Annu. Rev. Plant Biol. 2005, 56:15-39.
93. Postrigan B.N., Knyazev A.V., Kuluev B.R.O., Yakhin I., Chemeris A.V. The activity of synthetic pseudophytochelating gene in tobacco plants. Fiziol. Rastenii 2012, 59(2):303-308.
94. Prasad M.N.V. Phytoremediation of metal-polluted ecosystems: hype for commercialization. Russ. J. Plant Physiol. 2003, 50:686-700.
95. Prasad M.N.V. Nickelophilous plants and their significance in phytotechnologies. Braz. J. Plant Physiol. 2005, 17:113-128.
96. Prasad M.N.V., Freitas H.M.O. Metal hyperaccumulation in plants biodiversity prospecting for phytoremediation technology. Electron. J. Biotechnol. 2003, 6(3):285-321.
97. Pulford I., Watson C. Phytoremediation of heavy metal-contaminated land by trees - a review. Environ. Int. 2003, 29:529-540.
98. Rai P.K. Phytoremediation of Hg and Cd from industrial effluents using an aquatic free floating macrophyte Azolla pinnata. Int. J. Phytoremediat. 2008, 10:430-439.
99. Ramamurthy A.S., Memarian R. Phytoremediation of mixed soil contaminants. Water, Air, Soil Pollut. 2012, 223:511-518.
100. Raskin I., Smith R.D., Salt D.E. Phytoremediation of metals: using plants to remove pollutants from the environment. Curr. Opin. Biotechnol. 1997, 8(2):221-226.
101. Reeves R.D. Hyperaccumulation of nickel by serpentine plants. The Vegetation of Ultramafic (Serpentine) Soils 1992, 253-277. Intercept, Andover UK. A.J.M. Baker, J. Proctor, R.D. Reeves (Eds.).
102. Robinson B.H., Brooks R.R., Howes A.W., Kirkman J.H., Gregg P.E.H. The potential of the high biomass nickel hyperaccumulator Berkheya coddii for phytoremediation and phytomining. J. Geochem. Explor. 1997, 60:115-126.
103. Robinson B.H., Leblanc M., Petit D., Brooks R.R., Kirkman J.H.P., Gregg E.H. The potential of Thlaspi caerulescens for phytoremediation of contaminated soils. Plant Soil 1998, 203:47-56.
104. Saier M.H., Trevors J.T. Phytoremediation. Water, Air, Soil Pollut. 2010, 205:61-63.
105. Sakakibara M., Ohmori Y., Ha N.T.H., Sano S., Sera K. Phytoremediation of heavy metal contaminated water and sediment by Eleocharis acicularis. Clean: Soil, Air, Water 2011, 39:735-741.
106. Sarma H. Metal hyperaccumulation in plants: a review focusing on phytoremediation technology. J. Environ. Sci. Technol. 2011, 4:118-138.
107. Sheoran V., Sheoran A.S., Poonia P. Phytomining: a review. Min. Eng. 2009, 22:1007-1019.
108. Sheoran V., Sheoran A., Poonia P. Role of hyperaccumulators in phytoextraction of metals from contaminated mining sites: a review. Crit. Rev. Environ. Sci. Technol. 2011, 41:168-214.
109. Singh A., Prasad S.M. Reduction of heavy metal load in food chain: technology assessment. Rev. Environ. Sci. Biotechnol. 2011, 10:199-214.
110. Srivastava M., Ma L.Q., Santos J.A.G. Three new arsenic hyperaccumulating ferns. Sci. Total Environ. 2006, 364:24-31.
111. Suresh B., Ravishankar G.A. Phytoremediation - a novel and promising approach for environmental clean-up. Crit. Rev. Biotechnol. 2004, 24:97-124.
112. Tlustoš P., Pavlíková D., Száková J., Fischerová Z., Balík J. Exploitation of fast growing trees in metal remediation. Phytoremediation. Rhizoremediation 2006, 83-102. Springer. M. Mackova (Ed.).
113. Tong Y.P., Kneer R., Zhu Y.G. Vacuolar compartmentalization: a second-generation approach to engineering plants for phytoremediation. Trends Plant Sci. 2004, 9:7-9.
114. Turan M., Esringu A. Phytoremediation based on canola (Brassica napus L.) and Indian mustard (Brassica juncea L.) planted on spiked soil by aliquot amount of Cd, Cu, Pb, and Zn. Plant Soil Environ. 2007, 53:7-15.
115. Van Aken B. Transgenic plants for enhanced phytoremediation of toxic explosives. Curr. Opin. Biotechnol. 2009, 20:231-236.
116. van der Ent A., Baker A.J.M., Reeves R.D., Pollard A.J., Schat H. Hyperaccumulators of metal and metalloid trace elements: facts and fiction. Plant Soil 2013, 362:319-334.
117. Vangronsveld J., van A.F., Clijsters H. Reclamation of a bare industrial area contaminated by non-ferrous metals: in situ metal immobilization and revegetation. Environ. Pollut. 1995, 87:51-59.
118. Vangronsveld J., Herzig R., Weyens N., Boulet J., Adriaensen K., Ruttens A., Thewys T., Vassilev A., Meers E., Nehnevajova E., Van der Lelie D., Mench M. Phytoremediation of contaminated soils and groundwater: lessons from the field. Environ. Sci. Pollut. Res. 2009, 16:765-794.
119. Vassil A.D., Kapulnik Y., Raskin I., Salt D.E. The role of EDTA in lead transport and accumulation by Indian mustard. Plant Physiol. 1998, 117:447-453.
120. Verbruggen N., Hermans C., Schat H. Molecular mechanisms of metal hyperaccumulation in plants. New Phytol. 2009, 181:759-776.
121. Vishnoi, S.R., Srivastava, P.N., 2008. Phytoremediation-green for environmental clean. In: Proceedings of the 12th World Lake Conference, pp. 1016-1021.
122. Vithanage M., Dabrowska B.B., Mukherjee B., Sandhi A., Bhattacharya P. Arsenic uptake by plants and possible phytoremediation applications: a brief overview. Environ. Chem. Lett. 2012, 10:217-224.
123. Wang S., Li R., Zhang Z., Feng J., Shen F. Assessment of the heavy metal pollution and potential ecological hazardous in agricultural soils and crops of Tongguan, Shaanxi Province. J. Environ. Sci. China 2014, 34:2313-2320.
124. Wang Y., Stauffer C., Keller C. Changes in Hg fractionation in soil induced by willow. Plant Soil 2005, 275:67-75.
125. Wei S., da Silva J.A.T., Zhou Q. Agro-improving method of phytoextracting heavy metal contaminated soil. J. Hazard. Mater. 2008, 150:662-668.
126. Wenzel W.W., Unterbrunner R., Sommer P., Sacco P. Chelate-assisted phytoextraction using canola (Brassica napus L.) in outdoors pot and lysimeter experiments. Plant Soil 2003, 249:83-96.
127. Wieshammer G., Unterbrunner R., Baares G.T., Zivkovic M.F., Puschenreiter M., Wenzel W.W. Phytoextraction of Cd and Zn from agricultural soils by Salix Ssp. and intercropping of Salix caprea and Arabidopsis halleri. Plant Soil 2007, 298:255-264.
128. Winterhalder K. Environmental degradation and rehabilitation of the landscape around Sudbury, a major mining and smelting area. Environ. Rev. 1996, 4. (185-122).
129. Wu L.H., Luo Y.M., Christie P., Wong M.H. Effects of EDTA and low molecular weight organic acids on soil solution properties of a heavy metal polluted soil. Chemosphere 2003, 50:819-822.
130. Wuana R.A., Okieimen F.E. Heavy metals in contaminated soils: a review of sources, chemistry, risks and best available strategies for remediation. ISRN Ecol. 2011, 2011:1-20.
131. Xiao R., Sun X., Wang J., Feng J., Li R., Zhang Z., Wang J., Ali A. Characteristics and phytotoxicity assay of biochars derived from a Zn-rich antibiotic residue. J. Anal. Appl. Pyrol. 2015, 113:575-583.
132. Yang S.X., Deng H., Li M.S. Manganese uptake and accumulation in a woody hyperaccumulator, Schima superba. Plant Soil Environ. 2008, 54:441-446.
133. Yang X., Feng Y., He Z., Stoffella P.J. Molecular mechanisms of heavy metal hyperaccumulation and phytoremediation. J. Trace Elem. Med. Biol. 2005, 18:339-353.
134. Zhang X., Xia H., Li Z., Zhuang P., Gao B. Identification of a new potential Cd-hyperaccumulator Solanum photeinocarpum by soil seed bank-metal concentration gradient method. J. Hazard. Mater. 2011, 189:414-419.
135. Zhao F.J., Dunham S.J., McGrath S.P. Arsenic hyperaccumulation by different fern species. New Phytol. 2002, 156:27-31.