Soil-root interface: Physicochemical processes

Soil Chemistry and Ecosystem Health

Volumn , Issue , 2015, Pages 233-277

  McLaughlin, M J ^a   Smolders, E ^b   Merckx, R ^b  

^a CSIRO   (Australia)

^b UNIVERSITY OF LEUVEN   (Belgium)

Author keywords

Contaminant chemistry; Metal adsorption; Metal contaminant; Microbial activity; Physicochemical process; Redox reaction; Rhizosphere; Root exudation; Soil root interface; Solution concentration

Indexed keywords

EID: 85103047389     PISSN: None     EISSN: None     Source Type: Book    
DOI: 10.2136/sssaspecpub52.c9     Document Type: Chapter

References (226)

1. Adams, F. 1974. Soil solution, p. 441-481. In E.W. Carson (ed.) The plant root and its environment. Univ. of Virginia Press, Charlottesville.
2. Alloway, BJ. 1995. Soil processes and the behavior of metals, p. 11-37. In B.J. Alloway (ed.) Heavy metals in soils. Blackie Academic & Professional, London.
3. Barber, D.A., and J.K. Martin. 1976. The release of organic substances by cereal roots into soil. New Phytol. 76:69-80.
4. Barber, S.A. 1984. Soil nutrient bioavailability. A mechanistic approach. John Wiley & Sons, New York.
5. Barrow, N.J. 1987. Reactions with variable charge soils. Martinus Nijhoff, Dordrecht, the Netherlands.
6. Barrow, N.J. 1993. Mechanisms of retention of zinc with soil and soil components, p. 15-31. In A.D. Robson (ed.) Zinc in soils and plants. Kluwer Academic Publ., Dordrecht, the Netherlands.
7. Bartlett, R., and B.R. James. 1979. Behavior of chromium in soils: III. Oxidation. J. Environ. Qual. 8:31-35.
8. Bell, P.F., R.L. Chaney, and J.S. Angle 1991. Free metal activity and total metal concentrations as indices of micronutrient availability to barley (Hordeum vulgare L. ‘Klages’). Plant Soil 130:51-62.
9. 3 on adsorption behavior of Cd on oxide surfaces. Environ. Sci. Technol. 16:162-170.
10. Berggren, D. 1990. Speciation of cadmium (II) using donnan dialysis and differential-pulse anodic stripping voltammetry in a flow-injection system. Int. J. Environ. Anal. Chem. 41:133-148.
11. Beveridge, T.J. 1988. The bacterial surface: General considerations towards design and function. Can. J. Microbiol. 34:363-372.
12. Beveridge, T.J., S. Schultze-Lam, and J.B. Thompson. 1995. Detection of anionic sites on bacterial cell walls, their ability to bind toxic heavy metals and form sedimentable floes and their contribution to mineralization in natural freshwater environments, p. 183-205. In H.E. Allen et al. (ed.) Metal speciation and contamination of soil. Lewis Publ., Boca Raton, FL.
13. Bittel, J.E., and R.J. Miller. 1974. Lead, cadmium and calcium selectivity coefficients on a montmo-rillonite, illite and kaolinite. J. Environ. Qual. 3:250-253.
14. Bitton, G., and V. Freihofer. 1978. Influence of extracellular polysaccharide on the toxicity of copper and cadmium toward Klebsiella aerogenes. Microb. Ecol. 4:119-125.
15. Blanchar, R.W., and D.S. Lipton. 1986. The pe and pH in alfalfa seedling rhizospheres. Agron. J. 78:216-218.
16. Bleam, W.F., and M.B. McBride. 1986. The chemistry of adsorbed Cu(II) and Mn(II) on aqueous titanium dioxide suspensions. J. Colloid. Interface Sci. 103:124-132.
17. Boekhold, A.E., E.J.M. Temminghoff, and S.E.A.T.M. van der Zee. 1993. Influence of electrolyte composition and pH on cadmium sorption by an acid soil. J. Soil Sci. 44:85-96.
18. Borgmann, U. 1983. Metal speciation and toxicity of free metals ions to aquatic biota, p. 47-72. In J.O. Nriagu (ed.) Aquatic toxicology. John Wiley & Sons, New York.
19. Bouldin, D.R. 1989. A multiple ion uptake model. J. Soil Sci. 40:309-319.
20. Boyle, J.R., and G.K. Voigt. 1973. Biological weathering of silicate minerals. Implications for tree nutrition and soil genesis. Plant Soil 38:191-201.
21. Brewster, J.L., and P.B. Tinker. 1970. Nutrient cation flows around plant roots. Soil Sci. Soc. Am. Proc. 34:421-426.
22. Bromfield, S.M. 1958. The solution of y-Mn02 by substances released from soil and from the roots of oats and vetch in relation to manganese availability. Plant Soil 10:147-160.
23. Brown, R.M., C.J. Pickford, and W.L. Davison. 1984. Speciation of metals in soils. Int. J. Environ. Anal. Chem. 18:135-141.
24. Bruckert, S. 1970. Influence des composés organiques solubles sur la pédogenese en milieu acide: II. Expériences de laboratoire. Ann. Agron. 21:725-757.
25. Brummer, G.W., J. Gerth, and K.G. Tiller. 1988. Reaction kinetics of the adsorption and desorption of nickel, zinc and cadmium by goethite: II. Adsorption and diffusion of metals. J. Soil Sci. 39:37-52.
26. Brummer, G.W., K.G. Tiller, U. Herms, and P.M. Clayton. 1983. Adsorption-desorption and/or precipitation-dissolution processes of zinc in soils. Geoderma 31:337-354.
27. Campbell, R., and M.P. Greaves. 1990. Anatomy and community structure of the rhizosphere. p. 11-34. In J.M. Lynch (ed.) The rhizosphere. John Wiley & Sons, New York.
28. Cavallaro, N., and M.B. McBride. 1978. Copper and cadmium adsorption characteristics of selected acid and calcareous soils. Soil. Sci. Soc. Am. J. 42:550-556.
29. Chairidchai, P., and G.S.P. Ritchie. 1990. Zinc adsorption by a lateritic soil in the presence of organic ligands. Soil Sci. Soc. Am. J. 54:1242-1248.
30. Chaney, R.L., and S.B. Hornick. 1978. Accumulation and effects of cadmium on crops, p. 125-140. In Proc. of the Int. Cadmium Conf., 1st, San Francisco. 1977. Metals Bulletin, London.
31. Checkai, R.T., R.B. Corey, and PA. Helmke. 1987b. Effects of ionic and complexed metal concentrations on plant uptake of cadmium and micronutrient metals from solution. Plant Soil 99:335-345.
32. Checkai, R.T., L.L. Hendrickson, R.B. Corey, and RA. Helmke. 1987a. A method for controlling the activities of free metal, hydrogen and phosphate ions in hydroponic solutions using ion exchange and chelating resins. Plant Soil 99:321-334.
33. Christensen, T.H. 1984. Cadmium soil sorption at low concentrations: II. Reversibility, effect of changes in solute composition, and effect of soil aging. Water Air Soil Pollut. 21:115-125.
34. Christensen, T.H. 1987. Cadmium soil sorption at low concentrations: V. Evidence of competition by other heavy metals. Water Air Soil Pollut. 34:293-303.
35. Chubin, R.G., and J.J. Street. 1981. Adsorption of cadmium on soil constituents in the presence of complexing ligands. J. Environ. Qual. 10:225-228.
36. Comans, R.N.J. 1990. Sorption of cadmium and cesium at mineral/water interfaces. Reversibility and its implications for environmental mobility. Ph.D. diss. Rijksuniversiteit Utrecht, the Netherlands.
37. Cooper, K.M., and P.B. Tinker. 1978. Translocation and transfer of nutrients in vesicular-arbuscular mycorrhizas: II. Uptake and translocation of phosphorus, zinc and sulphur. New Phytol. 73:901-912.
38. Coughtrey, P., and M. Thorne. 1983. Radionuclide distribution and transport in terrestrial and aquatic ecosystems. A critical review of data. A.A. Balkema Publ., Rotterdam, the Netherlands.
39. Coulson, C.B., R.I. Davies, and D.A. Lewis. 1960. Polyphenols in plant, humus and soil: I. Polyphenols of leaves, litter and superficial humus from mull and mor sites. J. Soil Sci. 11:20-29.
40. Cremers, A., E. Elsen, P. De Preter, and A. Maes. 1988. Quantitative analysis of radiocaesium retention in soils. Nature (London) 335:247-249.
41. Davies, R.J. 1971. Relation of polyphenols to decomposition of organic matter and to pedogenic processes. Soil Sci. 111:80-85.
42. 2+ and subsequent solid solution formation. Geochim. Cosmochim. Acta 51:1477-1490.
43. DeKock, PC. 1956. Heavy metal toxicity and iron chlorosis. Ann. Bot. 20:133-141.
44. DeKock, PC, and R.L. Mitchell. 1957. Uptake of chelated metals by plants. Soil Sci. 84:55-62.
45. Delhaize, E., PR. Ryan, and P.J. Randall 1993. Aluminum tolerance in wheat (Triticum aestivum L.): II. Aluminum-stimulated excretion of malic acid from root apices. Plant Physiol. 103:695-702.
46. De Preter, P. 1990. Radiocesium retention in aquatic, terrestrial and urban environments: A quantitative and unifying analysis. Dissertations de Agricultura no. 190, Katholieke Universiteit Leuven, Belgium.
47. Doner, H.E. 1978. Chloride as a factor in mobilities of Ni(II), Cu(II) and Cd(II) in soil. Soil Sci. Soc. Am. J. 42:882-885.
48. Dueck, Th.A., P. Visser, W.H.O. Ernst, and H. Schat. 1986. Vesicular-arbuscular mycorrhizae decrease zinc-toxicity to grasses growing in zinc-polluted soil. Soil Biol. Biochem. 18:331-333.
49. Egozy, Y. 1980. Adsorption of cadmium and cobalt on montmorillonite as a function of solution composition. Clays Clay Min. 28:311-318.
50. El-Sayed, M.H., R.G. Burau, and K.L. Babcock. 1970. Thermodynamics of copper (Il)-calcium exchange on bentonite clay. Soil Sci. Soc. Am. Proc. 34:397-400.
51. Elliott, H.A., and CM. Denneny. 1982. Soil adsorption of cadmium from solutions containing organic ligands. J. Environ. Qual. 11:658-662.
52. Elliott, H.A., and CP. Huang. 1979. The adsorption characteristics of Cu(II) in the presence of chelating agents. J. Colloid Interface Sci. 70:29-25.
53. Eriksson, J.E. 1990. Effects of nitrogen-containing fertilizers on solubility and plant uptake of cadmium. Water Air Soil Pollut. 49:355-368.
54. Farrah, H., and W.F. Pickering. 1977. The sorption of lead and cadmium species by clay minerals. Aust. J. Chem. 30:1417-1422.
55. Fitch, A., and P.A. Helmke. 1989. Donnan equilibrium/graphite furnace atomic absorption estimates of soil extract complexation capacities. Anal. Chem. 61:1295-1298.
56. Forstner, U. 1981. Metal transfer between solid and aqueous phases, p. 197-270. In U. Forstner and G.T.W. Wittman (ed.) Metal pollution in the aquatic environment. Springer-Verlag, New York.
57. 137Cs to micaceous minerals in contaminated freshwater sediment. Nature (London) 260:511-513.
58. Fujii, R., L.L. Hendrickson, and R.B. Corey. 1983. Ionic activities of trace metals in sludge-amended soils. Sci. Total Environ. 28:179-190.
59. Gahoonia, T.S., and N.E. Nielsen. 1992. The effect of root-induced pH changes on the depletion of inorganic and organic phosphorus in the rhizosphere. Plant Soil 143:185-191.
60. Galli, U., H. Schuepp, and C. Brunold. 1994. Heavy metal binding by mycorrhizal fungi. Physiol. Plant. 92:364-368.
61. Garcia-Miragaya, J., and A.L. Page. 1976. Influence of ionic strength and inorganic complex formation on the sorption of trace amounts of Cd by montmorillonite. Soil Sci. Soc. Am. J. 40:658-663.
62. Garcia-Miragaya, J., and A.L. Page. 1977. Influence of exchangeable cations on the sorption of trace amounts of cadmium by montmorillonite. Soil Sci. Soc. Am. J. 41:718-721.
63. Geesey, G.G., L. Lang, J.G. Jolley, M.R. Hankins, T. Iawoka, and P.R. Griffiths. 1968. Binding of metal ions by extracellular polymers of biofilm bacteria. Water Sci. Technol. 20:161-165.
64. Gerth, J., and G. Brummer. 1983. Adsorption and immobilization of nickel, zinc and cadmium by goethite (a-FeOOH). Fresenius J. Anal. Chem. 316:616-620.
65. Gessa, C, M.L. de Cherchi, P. Melis, G. Micera, and S.L. Strina Erre 1984. Anion-induced metal binding in amorphous aluminum hydroxide. Colloids Surf. 11:109-117.
66. Godo, G.H., and H.M. Reisenauer 1980. Plant effects on soil manganese availability. Soil Sci. Soc. Am. J. 44:993-995.
67. Gries, D., S. Brunn, D.E. Crowley, and D.R. Parker 1995. Phytosiderophore release in relation to micronutrient metal deficiencies in barley. Plant Soil 172:299-308.
68. Hahne, H.C.H., and W. Kroontje. 1973. Significance of pH and chloride concentration on behavior of heavy metal pollutants, mercury (II), cadmium (II), zinc (II) and lead (II). J. Environ. Qual. 2:444-450.
69. Hale, M.G., C.L. Foy, and F.J. Shay. 1971. Factors affecting root exudation. Adv. Agron. 23:89-109.
70. Halvorson, A.D., and W.L. Lindsay 1977. The critical Zn2+ concentration for corn and the nonabsorption of chelated zinc. Soil Sci. Soc. Am. J. 41:531-534.
71. Hamon, R.E. 1995. Identification of factors governing cadmium and zinc bioavailability in polluted soils. Ph.D. diss. Univ. of Nottingham, England.
72. Hamon, R.E., S.E. Lorenz, P.E. Holm, T.H. Christensen, and S.P. McGrath. 1995. Changes in trace metal species and other components of the rhizosphere during growth of radish. Plant Cell Environ. 18:749-756.
73. Harter, R.D., and R. Naidu. 1996 Role of metal-organic complexation in metal sorption by soils. Adv. Agron. 55:219-264.
74. Hatch, D.J., L.H.P. Jones, and R.G. Bürau. 1988. The effect of pH on the uptake of cadmium by four plant species grown in flowing solution culture. Plant Soil 105:121-126.
75. Heggo, A., J.S. Angle, and R.L. Chaney. 1990. Effects of vesicular-arbuscular mycorrhizal fungi on heavy metal uptake by soybeans. Soil Biol. Biochem. 22:865-869.
76. Helmke, P.A., and R. Naidu. 1996. Fate of contaminants in the soil environment: Metal contaminants, p. 69-93. In R. Naidu et al. (ed.) Contaminants and the soil environment in the Australasia-Pacific region. Kluwer Academic Publ., Dordrecht, the Netherlands.
77. Helmke, P.A., A.B. Salam, and Y. Li. 1998. Measurement and behavior of indigenous levels of the free, hydrated cations of Cu, Zn and Cd in the soil-water system. In R. Prost (ed.) Proc. of the Int. Conf. on the Biogeochemistry of Trace Elements in the Environment, 3rd. INRA, Versailles, France, (in press).
78. Hendrikson, L.L., and R.B. Corey. 1981. Effect of equilibrium metal concentrations on apparent selectivity coefficients of soil complexes. Soil Sci. 131:163-171.
79. Hiltner, L. 1904. Uber neuere Erfahrungen und Proleme auf dem Gebeit der Bodenbakteriologie und unter besonderer Berücksichtigung der Gründüngung und Brache. Arb. Dsch. Landwirt. Ges. 98:59-78.
80. Hirsch, D., and A. Banin. 1990. Cadmium speciation in soil solutions. J. Environ. Qual. 19:366-372.
81. Hodgson, J.F., H.R. Geering, and W.A. Norvell. 1965. Micronutrient cation complexes in soil solution: Partition between complexed and uncomplexed forms by solvent extraction. Soil. Sci. Soc. Am. Proc. 29:665-669.
82. Hodgson, J.F., K.G. Tiller, and M. Fellows. 1964. The role of hydrolysis in the reaction of metals with soil forming materials. Soil Sci. Soc. Am. Proc. 28:42-46.
83. Hoffland, E. 1992. Quantitative evaluation of the role of organic acid exudation in the mobilization of rock phosphate by rape. Plant Soil 140:279-289.
84. Hoffland, E., G.R. Findenegg, and J.A. Nelemans 1989. Solubilization of rock phosphate by rape: II. Local root exudation of organic acids as a response to P-starvation. Plant Soil 113:161-165.
85. Hoins, U., L. Charlet, and H. Sticher. 1993. Ligand effect on the adsorption of heavy metals: The sul-fate-cadmium-goethite case. Water Air Soil Pollut. 68:241-255.
86. Holm, P.E., T.H. Christensen, J.C. Tjell, and S.R McGrath. 1995. Speciation of cadmium and zinc with application to soil solutions. J. Environ. Qual. 24:183-190.
87. Homann, P.S., and R.J. Zasoski. 1987. Solution composition effects on cadmium sorption by forest soil profiles. J. Environ. Qual. 16:429-433.
88. Huang, P.M., and A. Violante. 1986. Influence of organic acids on crystallization and surface properties of precipitation products of aluminum, p. 159-221. In P.M. Huang and M. Schnitzer (ed.) Interactions of soils minerals with natural organics and microbes. SSSA, Madison, WI.
89. Huang, W.H., and W.D. Keller. 1972. Dissolution of clay minerals in dilute organic acids at room temperature. Am. Mineral. 56:1082-1095.
90. Hughes, M.N., and R.K. Poole. 1989. Metal mimicry and metal limitation in studies of metal-microbe interactions, p. 1-17. In R.K. Poole and G.M. Gadd (ed.) Metal-microbe interactions. IRL Press, Oxford.
91. Inskeep, W.P., and J. Baham. 1983. Competitive complexation of Cd(II) and Cu(II) by water-soluble organic ligands and Na-montmorillonite. Soil Sci. Soc. Am. J. 47:1109-1115.
92. Irving, H., and R.J.P. Williams. 1948. Order of stability of metal complexes. Nature (London) 162:746-747.
93. James, B.R., and R.J. Bartlett. 1983. Behavior of chromium in soils: VI. Interactions between oxidation-reduction and organic complexation. J. Environ. Qual. 12:173-176.
94. Jarvis, S.C., L.H.P. Jones, and M.J. Hopper. 1976. Cadmium uptake from solution by plants and its transport from roots to shoots. Plant Soil 44:179-191.
95. Jauregui, M.A., and H.M. Reisenauer. 1982. Dissolution of oxides of manganese and iron by root exudate components. Soil Sci. Soc. Am. J. 46:314-317.
96. Jeffrey, J.W.O. 1961. Defining the state of reduction of a paddy soil. J. Soil Sci. 12:172-179.
97. Jenne, E.A. 1968. Controls on Mn, Fe, Co, Ni, Cu and Zn concentrations in soils and water: The significant role of hydrous Mn and Fe oxides. Adv. Chem. Serv. 73:337-387.
98. John, M.K. 1972. Cadmium adsorption maxima of soils as measured by the Langmuir isotherm. Can. J. Soil Sci. 52:343-350.
99. Jones, D.L., and PR. Darrah. 1994. Role of root derived organic acids in the mobilization of nutrients from the rhizosphere. Plant Soil 166:247-257.
100. Jopony, M., and S.D. Young. 1994. The soil:solution equilibria of lead and cadmium in polluted soils. Eur. J. Soil Sci. 45:59-70.
101. Jurinak, J.J., and D.L. Suarez. 1990. The chemistry of salt-affected soils and waters, p. 42-63. In K.K. Tanji (ed.) Agricultural salinity assessment and management. Am. Soc. of Civil Eng., New York.
102. Katz, S.A., and H. Salem. 1994. The biological and environmental chemistry of chromium. VCH Publ., New York.
103. Killham, K., and M.K. Firestone. 1983. Vesicular arbuscular mycorrhizal mediation of grass response to acid and heavy metal deposition. Plant Soil 72:39-48.
104. Kinniburgh, D.G., M.L. Jackson, and J.K. Syers. 1976. Adsorption of alkaline earth, transition and heavy metal cations by hydrous oxide gels of iron and aluminum. Soil Sci. Soc. Am. J. 40:796-799.
105. Kirk, G.J.D., and J.B. Bajita. 1995. Root-induced iron oxidation, pH changes and zinc solubilization in the rhizosphere of lowland rice. New Phytol. 131:129-137.
106. Kirk, G.J.D., and S. Staunton. 1989. On predicting the fate of radioactive caesium in soil beneath grassland. J. Soil Sci. 40:71-84.
107. Kochian, L.V. 1993. Zinc absorption from hydroponic solutions by plant roots, p. 45-57. In A.D. Robson (ed.) Zinc in soils and plants. Kluwer, Dordrecht, the Netherlands.
108. Kuo, S., and B.L. McNeal. 1984. Effects of pH and phosphate on cadmium sorption by a hydrous ferric oxide. Soil Sci. Soc. Am. J. 48:1040-1044.
109. Kwong, Ng Kee, K.F., and P.M. Huang. 1979. Surface reactivity of aluminum hydroxides precipitated in the presence of low molecular weight organic acids. Soil Sci. Soc. Am. J. 43:1107-1113.
110. Ladd, J.N., and J.H.A. Butler, 1975. Humus-enzyme systems and synthetic, organic polymers-enzyme analogs, p. 143-194. In E.A. Paul and A.D. McLaren (ed.) Soil biochemistry. Marcel Dekker, New York.
111. Langford, C.H., and D.W. Gutzman. 1992. Kinetic studies of metal ion speciation. Anal. Chim. Acta 256:183-201.
112. Laurie, S.H., N. Tancock, S.P. McGrath, and J.R. Sanders. 1991. Influence of complexation on the uptake by plants of iron, manganese, copper and zinc: II Effect of DTPA in a multi-metal and computer simulation study. J. Exp. Bot. 42:509-513.
113. Lavigne, J.A., C.H. Langford, and M.K.S. Mak. 1987. Kinetic study of the speciation of Ni (II) bound to a fulvic acid. Anal. Chem. 59:2616-2620.
114. Lepp, N. 1992. Uptake and accumulation of metals in bacteria and fungi, p. 277-298. In D.C. Adriano (ed.) Biogeochemistry of trace metals. Lewis Publ, Boca Raton.
115. Levy, R., and C.W. Francis. 1976. Adsorption and desorption of cadmium by synthetic and naturalorgano-clay complexes. Geoderma 15:361-370.
116. Li, X.L., E. Georg, and H. Marschner. 1991. Acquisition of phosphorus and copper by VA-mycor-rhizal hyphae and root to shoot transport in white clover. Plant Soil 136:49-57.
117. Li, Y.-M., R.L. Chaney, and A.A. Schneiter. 1994. Effect of soil chloride level on cadmium concentration in sunflower kernels. Plant Soil 167:275-280.
118. Lindsay, W.L. 1974. Role of chelation in micronutrient availability, p. 507-524. In E.W. Carson (ed.) The plant root and its environment. Univ. of Virginia Press, Charlottesville.
119. Lindsay, W.L. 1979. Chemical equilibria in soils. Wiley-Interscience, New York.
120. 2+ and H+ with EDTA and DTPA in soils. Soil Sci. Soc. Am. Proc. 33:62-65.
121. Linehan, D.J., A.H. Sinclair, and M.C. Mitchell. 1989. Seasonal changes in Cu, Mn, Zn and Co concentrations in soil in the root zone of barley (Hordeum vulgare L.). J. Soil Sci. 40:103-115.
122. Lion, L.W., R.S. Altmann, and J.O. Leckie. 1982. Trace-metal adsorption characteristics of estuarine particulate matter: Evaluation of contributions of Fe/Mn oxide and organic surface coatings. Environ. Sci. Technol. 16:660-666.
123. Loganathan, P., and R.G. Burau. 1973. Sorption of heavy metal ions by a hydrous manganese oxide. Geochem. Cosmochim. Acta 37:1277-1293.
124. Lorenz, S.E., R.E. Hamon, and S.P. McGrath. 1994. Difference between soil solutions obtained from rhizosphere and non-rhizosphere soils by water displacement and soil centrifugation. Eur. J. Soil Sci. 45:431-438.
125. Lumsden, D.G., and L.J. Evans. 1995. Predicting chemical speciation and computer simulation, p. 86-134. In A.M. Ure and CM. Davidson (ed.) Chemical speciation in the environment. Blackie Academic & Professional, London.
126. Lund, W. 1990. Speciation analysis-why and how? Fresenius’. J. Anal. Chem. 337:557-564.
127. Lynch, J.M. 1983. Soil biotechnology. Microbial factors in crop productivity. Blackwell Scientific Publ., Oxford.
128. Ma, Q., and W.L. Lindsay. 1990. Divalent Zn activity in arid zone soils obtained by chelation. Soil Sci. Soc. Am. J. 54:719-722.
129. Margerum, D.W., G.R. Cayley, D.C. Weatherburn, and G.K. Pagenkopf. 1978. Kinetics and mechanisms of complex formation and ligand exchange, p. 1-220. In A.E. Martell (ed.) Coordination chemistry. Vol. 2. ACS Monogr. 174. Am. Chem. Soc, Washington, DC
130. Marschner, H. 1995. Mineral nutrition of higher plants. Academic Press, London.
131. Marschner, H., and V. Romheld. 1983. In vivo measurement of root-induced pH changes at the soil-root interface: Effects of the plant species and nitrogen source. Z. Pflanzenernahr. Bodenk. 111:241-251.
132. Marschner, H, V. Romheld, W.J. Horst, and P. Martin. 1986. Root-induced changes in the rhizosphere: Importance for the mineral nutrition of plants. Z. Pflanzenernahr. Bodenk. 149:441-456.
133. Marschner, H., M. Treeby, and V. Romheld. 1989. Role of root-induced changes in the rhizosphere for iron acquisition in higher plants. Z. Pflanzenernahr. Bodenk. 152:197-204.
134. Masschelyn, PH., and W.H. Patrick, Jr. 1994. Selenium, arsenic and chromium redox chemistry in wetland soils and sediments, p. 615-625. In D.C. Adriano et al. (ed.) Biogeochemistry of trace elements. Science & Technology Letters, Northwood.
135. McBride, M.B. 1989. Reactions controlling heavy metal solubility in soil. Adv. Soil Sci. 10:1-56.
136. McBride, M.B. 1991. Processes of heavy and transition metal sorption by soil minerals, p. 149-174. In G.H. Bolt et al. (ed.) Interactions at the soil colloid-soil solution interface. Kluwer Academic Publ, Dordrecht, the Netherlands.
137. McKenna, I.M., R.L. Chaney, and EM. Williams. 1993. The effects of cadmium and zinc interactions on the accumulation and tissue distribution of zinc and cadmium in lettuce and spinach. Environ. Pollut. 79:113-120.
138. McLaren, R.G., J.G. Williams, and R.S. Swift. 1983. Some observations on the desorption and distribution behavior of copper with soil components. J. Soil Sci. 34:325-331.
139. McLaughlin, M.J., and K.G. Tiller. 1994. Chloro-complexation of cadmium in soil solutions of saline/sodic soils increases phyto-availability of cadmium, p. 195-196. In Trans, of the World Congress of Soil Science, 15th, Acapulco, Mexico. 1994. ISSS, Wageningen, the Netherlands.
140. McLaughlin, M.J., K.G. Tiller, T.A. Beech, and M.K. Smart. 1994. Soil salinity causes elevated cadmium concentrations in field grown potato tubers. J. Environ. Qual. 23:1013-1018.
141. McLaughlin, M.J., K.G. Tiller, R. Naidu, and D.P. Stevens. 1996. Review: The behavior and environmental impact of contaminants in fertilizers. Aust. J. Soil. Res. 34:1-54.
142. Mench, M., and S. Fargues. 1994. Metal uptake by iron-efficient and inefficient oats. Plant Soil 165:227-233.
143. Mench, M., and E. Martin. 1991. Mobilization of cadmium and other metals from two soils by root exudates of Zea mays L., Nicotiana tabacum L. and Nicotiana rustica L. Plant Soil 132:187-196.
144. Mench, M., J.L. Morel, and A. Guckert. 1987. Metal binding properties of high molecular weight soluble exudates from maize (Zea mays L.) roots. Biol. Fertil. Soils 3:165-169.
145. Mench, M., J.L. Morel, A. Guckert, and B. Guillet. 1988. Metal binding with root exudates of low molecular weight. J. Soil Sci. 39:521-527.
146. Merckx, R., J.H. van Ginkel, J. Sinnaeve, and A. Cremers. 1986. Plant-induced changes in the rhizosphere of maize and wheat: II. Complexation of cobalt, zinc and manganese in the rhizosphere of maize and wheat. Plant Soil 96:95-107.
147. Milberg, R.P., D.L. Brower, and J.V. Lagerwerff. 1978. Exchange adsorption of trace quantities of cadmium in soils treated with calcium and sodium: A reappraisal. Soil Sci. Soc. Am. J. 36:734-737.
148. 2+ binding with mucilage exudates from maize {Zea mays L.) roots. Biol. Fertil. Soils 2:29-34.
149. Muck, K. 1995. Long-term reduction of caesium concentration in milk after nuclear fallout. Sci. Total Environ. 162:63-74.
150. Mullins, G.L., and L.E. Sommers. 1986. Characterization of cadmium and zinc in four soils treated with sewage sludge. J. Environ. Qual. 15:382-387.
151. Mullins, G.L., L.E. Sommers, and S.A. Barber. 1986. Modeling the plant uptake of cadmium and zinc from soils treated with sewage sludge. Soil Sci. Soc. Am. J. 50:1245-1250.
152. Naas, C.N., and N.D. Horowitz. 1986. Adsorption of cadmium to kaolinite in the presence of organic material. Water Air Soil Pollut. 27:131-140.
153. Navrot, J., A. Singer, and A. Banin. 1978. Adsorption of cadmium and its exchange characteristics in some Israeli soils. J. Soil Sci. 29:505-511.
154. Neal, R.H., and G Sposito. 1986. Effects of soluble organic matter and sewage sludge amendments on cadmium sorption by soils at low cadmium concentrations. Soil Sci. 142:164-172.
155. Nielsen, N.E. 1976. The effect of plants on the copper concentration in the soil solution. Plant Soil 45:679-687.
156. Norberg, A., and S. Rydin. 1984. Development of a continuous process for metal recovery by Zooglea ramigera. Biotechnol. Bioeng. 26:265-268.
157. Nye, PH. 1984. On estimating the uptake of nutrients solubilized near roots or other surfaces. J. Soil Sci. 35:439-446.
158. Nye, PH., and P.B. Tinker. 1977. Solute movement in the soil-root system. Stud. Ecol. 4. Blackwell Scientific Publ., Oxford.
159. O’Neill, P. 1995. Arsenic, p. 105-121. In B.J. Alloway (ed.) Heavy metals in soils. Blackie Academic & Professional, London.
160. Oscarson, D.W., P.M. Huang, U.T. Hammer, and W.K. Liaw. 1993. Oxidation and sorption of arsenite by manganese dioxide as influenced by surface coatings of iron and aluminum oxides and calcium carbonate. Water Air Soil Pollut. 20:233-244.
161. Otte, M.L., M.J. Dekkers, J. Rozema, and R.A. Broekman. 1991. Uptake of arsenic by Aster tripolium in relation to rhizosphere oxidation. Can. J. Bot. 69:2670-2677.
162. Otte, M.L., C.C. Kearns, and M.O. Doyle. 1995. Accumulation of arsenic and zinc in the rhizosphere of wetland plants. Bull. Environ. Contam. Toxicol. 55:154-161.
163. Otte, M.L., J. Rozem, L. Koster, M.S. Haarsma, and R.A. Broekman. 1989. Iron plaque on roots of Aster tripolium L.: Interaction with Zn uptake. New Phytol. 111:309-317.
164. Papadopoulos, P., and D.L. Rowell. 1988. The reactions of cadmium with calcium carbonate surfaces. J. Soil Sci. 39:23-36.
165. Parker, D.R., R.L. Chaney, and W.A. Norvell. 1995. Chemical equilibrium models: Applications to plant nutrition, p. 163-196. In R.H. Loeppert et al. (ed.) Soil chemical equilibrium and reaction models. SSSA Spec. Publ. 42. ASA and SSSA, Madison, WI.
166. Phinney, J.T., and K.W. Bruland. 1994. Uptake of lipophilic organic Cu, Cd and Pb complexes in the coastal diatom Thallassiosira weissflogii. Environ. Sci. Technol. 28:1781-1790.
167. Rao, D.N., and D.S. Mikkelsen. 1977. Effect of rice straw additions on production of organic acids in a flooded soil. Plant Soil 47:303-311.
168. Rengel, Z. 1993. Mechanistic simulation models of nutrient uptake: A review. Plant Soil 152:161-173.
169. Rengel, Z., and D.L. Robinson. 1990. Modeling magnesium uptake from an acid soil: I. Nutrient relationships at the soil-root interface. Soil Sci. Soc. Am. J. 54:785-791.
170. Reuss, J.O., H.L. Dooley, and W. Griffis. 1978. Uptake of cadmium from phosphate fertilizers by peas, radishes and lettuce. J. Environ. Qual. 7:128-133.
171. Ritchie, G.S.P, and G. Sposito. 1995. Speciation in soils, p. 201-233. In A.M. Ure and CM. Davidson (ed.) Chemical speciation in the environment. Blackie Academic & Professional, London.
172. Robert, M., and J. Berthelin. 1986. Role of biological and biochemical factors in soil mineral weathering, p. 453-495. In P.M. Huang and M. Schnitzer (ed.) Interactions of soil minerals with natural organics and microbes. SSSA, Madison, WI.
173. Rogers, R.D., and S.E. Williams. 1986. Vesicular-arbuscular mycorrhiza: Influence on plant uptake of cesium and cobalt. Soil Biol. Biochem. 18:371-376.
174. Romheld, V, and H. Marschner. 1981. Effect of Fe stress on utilization of Fe chelates by efficient and inefficient plant species. J. Plant Nutr. 3:1-4.
175. Rovira, A.D. 1965. Plant root exudates and their influence upon soil microorganisms, p. 107-186. In K.F. Baker and W.C Snyder (ed.) Ecology of soil-borne plant pathogens. Univ. of California Press, Berkeley.
176. Rovira, A.D., and CB. Davey. 1974. Biology of the rhizosphere. p. 153-204. In E.W. Cursova (ed.) The plant root and its environment. Univ. of Virginia Press, Charlottesville.
177. Rovira, A.D., and B.M. McDougal. 1967. Microbial and biochemical aspects of the rhizosphere. p. 417-463. In A.D. McLaren and G.H. Peterson (ed.) Soil biochemistry. Vol. 1. Marcel Dekker, New York.
178. Saleque, M.A., and G.A.D. Kirk. 1995. Root-induced solubilization of phosphate in the rhizosphere of lowland rice. New Phytol. 129:325-336.
179. Santillan-Medrano, J., and J J. Jurinak. 1975. The chemistry of lead and cadmium in soil: Solid phase formation. Soil Sci. Soc. Am. Proc. 39:851-856.
180. Sawhney, B.L. 1972. Selective sorption and fixation by clay minerals: A review. Clays Clay Mineral. 20:93-100.
181. Schindler, P.W., and G. Sposito. 1991. Surface complexation at (hydr)oxide surfaces, p. 115-145. In G.H. Bolt et al. (ed.) Interactions at the soil colloid-soil solution interface. Kluwer Academic Publ., Dordrecht, the Netherlands.
182. Schreiner, O., and M.X. Sullivan. 1910. Studies in soil oxidation. USDA Bureau Soils Bull. 73:1-57.
183. Shaw, G., R. Hewamanna, J. Lillywhite, and J.N.B. Bell. 1992. Radiocaesium uptake and translocation in wheat with reference to the transfer factor concept and ion competition effects. J. Environ. Radioactivity 16:167-180.
184. Shorey, E.C 1913. Some organic soil constituents. USDA Bur. Soils Bull. 88:5-11.
185. + uptake by root systems grown in soil under salinity: I. A mathematical model. Transp. Porous Media 11:101-116.
186. Smith, W.H. 1976. Character and significance of forest tree root exudates. Ecology 57:324-331.
187. Smolders, E. 1993. Kinetic aspects of the soil-to-plant transfer of nitrate. Dissertationes de Agricultura, No. 230. Katholieke Universiteit Leuven, Belgium.
188. Smolders, E., L. Kiebooms, J. Buysse, and R. Merckx. 1996a. 137Cs uptake in spring wheat (Triticum aestivum. cv. Tonic) at different K supply: 1. The effect in solution culture. Plant Soil 181:205-209.
189. 137Cs uptake in spring wheat (Triticum aestivum. cv. Tonic) at different K supply: 2. A potted soil experiment. Plant Soil 181:211-220.
190. Smolders, E., and M.J. McLaughlin. 1996a. Effect of CI on Cd uptake by Swiss chard in unbuffered and chelator buffered nutrient solutions. Plant Soil 179:57-64.
191. Smolders, E., and M.J. McLaughlin. 1996b. Influence of chloride on Cd availability to Swiss chard: A resin buffered solution culture system. Soil Sci. Soc. Am. J. 60:1443-1447.
192. Smolders, E., and G. Shaw. 1995. Changes in radiocaesium uptake and distribution in wheat during plant development: A solution culture study. Plant Soil 176:1-6.
193. Sparks, D.L., and D.L. Suarez. 1991. Rates of soil chemical processes. SSSA, Madison, WI.
194. Sposito, G. 1989. The chemistry of soils. Oxford Univ. Press, New York.
195. Stevenson, F.J. 1967. Organic acids in soil. p. 119-146. In A.D. McLaren and G.H. Peterson (ed.) Soil biochemistry. Vol. 1. Marcel Dekker, New York.
196. Stevenson, F.J. 1982. Humus chemistry: Genesis, composition, reactions. John Wiley & Sons, New York.
197. Stevenson, F.J., and M.S. Ardakani. 1972. Organic matter reactions involving micronutrients. p. 29-58. In J.J. Mordvedt et al. (ed.) Micronutrients in agriculture. SSSA, Madison, WI.
198. Stróm, L., T. Olsson, and G. Tyler. 1994. Differences between calcifuge and acidifuge plants in root exudation of low-molecular organic acids. Plant Soil 167:239-245.
199. Surowitz, K.G., J. A. Titus, and M. Pfister. 1984. Effects of cadmium accumulation on growth and respiration of a cadmium-sensitive strain of Bacillus subtilis and a selected cadmium resistant mutant. Arch. Microbiol. 140:107-122.
200. Sweeck, L., J. Wauters, E. Valcke, and A. Cremers. 1994. The specific interception potential for radiocaesium. p. 249-258. In G. Desmet et al. (ed.) Transfer of radionuclides in natural and semi-natural environments. Elsevier Applied Science, London.
201. Swift, R.S., and R.G. McLaren. 1991. Micronutrient adsorption by soils and soil colloids, p. 257-292. In G.H. Bolt et al. (ed.) Interactions at the soil colloid-soil solution interface. Kluwer Academic Publ., Dordrecht, the Netherlands.
202. Taylor, G.J., and CD. Foy. 1985. Differential uptake and toxicity of ionic and chelated copper in Triticum aestivum. Can. J. Bot. 63:1271-1275.
203. Tiller, K.G. 1996. Soil contamination issues: Past, present and future, a personal perspective, p. 1-27. In R. Naidu et al. (ed.) Contaminants and the soil environment in the Australasia-Pacific region. Kluwer Academic Publ., Dordrecht, the Netherlands.
204. Tiller, K.G., J. Gerth, and G. Brummer. 1984. The relative affinities of Cd, Ni and Zn for different clay fractions and goethite. Geoderma 34:17-35.
205. Tiller, K.G., and J.F. Hodgson. 1962. The specific sorption of cobalt and zinc by layer silicates. Clays Clay Mineral. 9:393-403.
206. Tiller, K.G., J.F. Hodgson, and M. Peech. 1963. Specific sorption of cobalt by soil clays. Soil Sci. 95:392-399.
207. Tills, A.R., and B.J. Alloway. 1983. The use of liquid chromatography in the study of cadmium speciation in soil solutions from polluted soils. J. Soil Sci. 34:769-781.
208. Treeby, M., M. Marschner, and V. Romheld. 1989. Mobilization of iron and other micronutrient cations from a calcareous soil by plant-borne, microbial and synthetic metal chelators. Plant Soil 114:217-226.
209. Uren, N.C 1989. Rhizosphere reactions of aluminum and manganese. J. Plant Nutr. 12:173-185.
210. Uren, N.C, and H.M. Reisenauer. 1988. The role of root exudates in nutrient acquisition. Adv. Plant. Nutr. 3:79-114.
211. Valcke, E., and A. Cremers. 1994. Sorption-desorption dynamics of radiocaesium in organic matter soils. Sci. Total Environ. 157:275-283.
212. Vancura, V 1964. Root exudates of plants: 1. Analysis of root exudates of barley and wheat in their initial phases of growth. Plant Soil 21:231-248.
213. Wang, T.S.C, T.K. Tang, and T.T. Chuang. 1967. Soil phenolic acids as plant growth inhibitors. Soil Sci. 103:239-246.
214. Warncke, D.D., and S.A. Barber. 1973. Diffusion of zinc in soils: III. Relation to zinc adsorption isotherms. Soil Sci. Soc. Am. Proc. 37:355-358.
215. Wauters, J. 1994. Radiocesium in aquatic sediments: Sorption, remobilization and fixation. Dissertationes de Agricultura, 246. Katholieke Universiteit Leuven, Belgium.
216. Wauters, J., L. Sweeck, E. Valcke, A. Elsen, and A. Cremers. 1994. Availability of radiocaesium in soils: A new methodology. Sci. Total Environ. 157:239-248.
217. Webley, D.M., E.K. Henderson, and F. Taylor. 1963. The microbiology of rocks and weathered stones. J. Soil Sci. 14:102-112.
218. Wei, L.C, W.R. Ocumpaugh, and R.H. Loeppert. 1994. Plant growth and nutrient uptake characteristics of Fe-deficiency chlorosis susceptible and resistant subclovers. Plant Soil 165:235-240.
219. Whipps, J.M. 1990. Carbon economy, p. 59-97. In J.M. Lynch (ed.) The rhizosphere. John Wiley & Sons, Chichester, England.
220. Whitehead, D.C. 1964. Identification of p-hydroxybenzoic, vanillic, p-coumaric, and ferulic acids in soils. Nature (London) 202:417-418.
221. Willaert, G., and M. Verloo. 1992. Effects of various nitrogen fertilizers on the chemical and biological activity of major and trace elements in a cadmium contaminated soil. Pedologie 43:83-91.
222. Williams, C.H., and D.J. David. 1976. The accumulation in soil of cadmium residues from phosphate fertilizers and their effects on the cadmium content of plants. Soil Sci. 121:861-893.
223. Xue, J., and P.M. Huang. 1995. Zinc-adsorption-desorption on short-range ordered iron oxide as influenced by citric acid during its formation. Geoderma 64:343-356.
224. Zachara, J.M., S.C. Smith, C.T. Resch, and C.E. Cowan. 1992. Cadmium sorption to soil separates containing layer silicates and iron and aluminum oxides. Soil Sci. Soc. Am. J. 56:1074-1084.
225. Zhang, R, V. Romheld, and H. Marschner. 1989. Effect of zinc deficiency in wheat on the release of zinc and iron mobilizing root exudates. Z. Pflanzenernahr. Bodenk. 152:205-210.
226. Zhang, P.-C, and D.L. Sparks. 1989. Kinetics and mechanisms of molybdate adsorption-desorption at the goethite/water interface using pressure jump relaxation. Soil Sci. Soc. Am. J. 53:1028-1034.