[Allen R. D. 1995. Dissection of oxidative stress tolerance using transgenic plants. Plant Physiol. 107: 1049-1054.10.1104/pp.107.4.1049]Search in Google Scholar
[Alloway B. 1990. Cadmium. In: Heavy metals in soil. (B. Alloway, John Wiley & Sons ed.) New Yersey: 100-124.]Search in Google Scholar
[Albuzio A., Concheri G., Nardi S., dell'Agnola G. 1994. Effect of humic fractions of different molecular size on the development of oat seedlings grown in varied nutritional condiditons. pp. 199-204. In: Humic substances in the global environment and implications on human health (N. Senesi & T. M. Mianom eds.). Amsterdam: Elsevier Science.]Search in Google Scholar
[Andersson A., Bingefors S. 1985. Trends and annual variations in Cd concentration in grain of winter wheat. Acta Agriculture Scandinavia 35: 339-344.10.1080/00015128509442044]Search in Google Scholar
[Aydin A., Turan M., Sezen Y. 1999. Effect of fulvic-humic acid application on yield and nutrient uptake in sunflower and corn. Improved Crop Quality by Nutrient Management. Kluwer Acedemic Publishers Dordrecht. Boston, London pp. 249-252).10.1007/978-0-585-37449-9_57]Search in Google Scholar
[Barnard R. O., Watt H. van der, Dekker J., Cronje I., Mentz W. H., Cillie G. E. B., Laker M. C. 1992. Application of Fe and Zn to lime-rich soils in the form of formulated coal products. Sci. Total Environ. 117/118:569-574.10.1016/0048-9697(92)90121-8]Search in Google Scholar
[Bar-Ness E., Chen Y. 1991. Manure and peat based iron-organocomplexes. II. Transport in soils. Plant Soil. 130: 45-50.10.1007/BF00011854]Search in Google Scholar
[Beauchamp C., Fridovich I. 1971. Superoxide dismutase;improved assays and an assay applicable to acrylamide gels. Anal. Biochem. 44: 276-287.10.1016/0003-2697(71)90370-8]Search in Google Scholar
[Bowler C., van Camp W., van Montagu M., Inze D. 1994. Superoxide dismutase in plants. CRC Cril. Rev. Plant Sci. 13: 199-218.10.1080/07352689409701914]Search in Google Scholar
[Bowler M., van Montagu M., Inze D. 1992. Superoxide dismutase and stress tolerance, Ann. Rev. Plant Physiol. Plant Mol. Biol. 43: 83-116.10.1146/annurev.pp.43.060192.000503]Search in Google Scholar
[Bunluesin S., Pokethitiyook P., Lanza G., Tyson J., Kruatrachue M., Xing B., Upatham S. 2007. Influences of cadmium and zinc interaction and humic acid on metal accumulation in Ceratophyllum demersum. Water, Air, and Soil Pollution, Volume 180: 225-235(11).10.1007/s11270-006-9265-0]Search in Google Scholar
[Campbell P. G. C. 1995. Interactions between trace metals and aquatic organisms: a critique of the free-ion activity model. pp: 45-102. (Tessier A. & Turner D. R. eds.) In: Metal Speciation and Bioavailability in Aquatic Systems. JohnWiley & Sons, New York.]Search in Google Scholar
[Chandlee J. M., Scandalios J. G. 1984. Analysis of variants affecting the catalase development program in maze scutellum Theor. Appl. Genet. 69:71-77.10.1007/BF0026254324253626]Search in Google Scholar
[Chen Y. 1996. Organic matter reactions involving micronutrients in soils and their effect on plants. pp: 507-530. In: Humic Substances in Terrestrial Ecosystems. (Piccolo A. ed.) Elsevier, Amsterdam.10.1016/B978-044481516-3/50014-1]Search in Google Scholar
[Chen Y., Aviad T. 1990. Effects of humic substances on plant growth. pp: 161-186. In: Humic Substances in Soil and Crop Sciences: Selected Readings. (P. MacCarthy C. E. Clapp R. L. Malcolm & P. R. Bloom ed.) Soil Science Society of America, Inc, Madison, WI.10.2136/1990.humicsubstances.c7]Search in Google Scholar
[Chen Y., Clapp C. E., Magen H., Cline V. W. 1999. Stimulation of plant growth by humic substances: Effects of iron availability. pp. 255-263. In: Understanding Humic Substances. Advances Methods, Properties and Applications. (E. A. Ghabbour & G. Davies eds.). Royal Society of Chemistry, Cambridge.10.1016/B978-1-85573-815-7.50027-1]Search in Google Scholar
[Correa da Rosa X. A., Rubi Rörig L., Verdinelli M. A., Cotelle S., Farard J-F., Radetsky M. C. 2006. Cadmium phytotoxicity: Quantitative sensitivity relationships between classical endpoints and antioxidative enzyme biomarkers Science of the Total Environment 357: 120-127.10.1016/j.scitotenv.2005.05.00215982719]Search in Google Scholar
[Davis R. D., Calton-Smith C. 1980. Crops as indicators of the significance of contamination of soil by heavy metals. WRC, Stevenage TR 140.]Search in Google Scholar
[Delfine S., Tognetti R., Desiberio E., Alvino A. 2005. Effect of foliar application of N and humic acids on growth and yield of durum Wheat. Agron. Sustain. Dev. 25: 183-191.10.1051/agro:2005017]Search in Google Scholar
[Dixit V., Pandey V., Shyam R. 2001. Differential antioxidative responses to cadmium in roots and leaves of pea (Pisum sativum L. cv. Azad). J. Exp. Bot. 52: 1101-1109.10.1093/jexbot/52.358.110111432926]Search in Google Scholar
[Dursun A., Güvenç I., Turan M. 1999. Macro and micro nutrient contents of tomato and eggplant seedlings and their effects on seedling growth in relation to humic acid application. Improved Crop Quality by Nutrient Management. Kluwer Acedemic Publishers Dordrecht. Boston, London.]Search in Google Scholar
[Dursun A., Güvenç I., Turan M. 2002. Effects of different levels of humic acid on seedling growth and macro and micronutrient contents of tomato and eggplant. Acta Agrobotanica 56: 81-88.10.5586/aa.2002.046]Search in Google Scholar
[Ennis M. T. 1962. Some copper-complexing properties of peat. Irish J Agric. Res. 1, 139-147.]Search in Google Scholar
[Ennis M. T., Brogan J. C. 1961. The availability of copper from copper-humic acid complexes. Irish J. Agric. Res. 1: 35-42.]Search in Google Scholar
[Eriksson J. E. 1990. Factors influencing adsorption and plant uptake of Cd from agriculturalsoils. Swedish University of Agricultural Science, Department of Soil Science, Reports and Dissertations, 4.]Search in Google Scholar
[Fecht-Christoffers M. M., Maier P., Horst W. J. 2003. Apoplastic peroxidases and ascorbate are involved in manganese toxicity and tolerance of Vigna unguiculata. Physiol. Plant. 117: 237-244.10.1034/j.1399-3054.2003.00022.x]Search in Google Scholar
[Garcia-Mina J. M., Antolín M. C., Sánchez-Diaz M. 2004. Metal-humic complexes and plant micro-nutrient uptake: a study based on different plant species cultivated in diverse soil types. Plant & Soil 258: 57-68.10.1023/B:PLSO.0000016509.56780.40]Search in Google Scholar
[Goering M. P., Waalkes C. D., Klaassen 1994. Cadmium toxicity. vol. 115: 189-214. In: Handbook of experimental pharmacology: toxicology of metals. Biochemical effects (R. A. Goyer & M. G. Cherian eds.). Springer, New York.10.1007/978-3-642-79162-8_9]Search in Google Scholar
[Gupta S. K. 1986. Bioverfuegbarkeit von Kupfer in einem Huminsaeure und Klaerschlamm-komplex. Mitteilgn. Dtsch. Bodenkundl. Gesellsch. 45: 61-66. [in German]]Search in Google Scholar
[Gupta S. K., Häni H. 1980 Effect of copper supplied in the form of different Cu-saturated sludge samples and copper salts on the Cu-concentration and dry matter yield of corn grown in sand. pp: 67-69. In: Symposium on Copper in Animal Wastes and Sewage Sludge. (P. L'Hermite & J. Dehand-schutter eds.). Reidel Publishing Co., Dordrecht.10.1007/978-94-009-8503-2_19]Search in Google Scholar
[Hartwigsen J. A., Evans M. R. 2000. Humic acid seed and substrate treatments promote seedling root development. HortScience: 35 (7): 1231-1233.10.21273/HORTSCI.35.7.1231]Search in Google Scholar
[Kabata-Pendias A., Pendias H. 1992. Trace elements in soils and plant. 2nd ed. CRC Press inc., Boca Raton, FL, USA. 365 p.]Search in Google Scholar
[Karataglis S., Moustakas M., Symeonidis L. 1991. Effects of heavy metals on isoperoxidases of wheat. Praha Biol. Plant. 33: 3-9.10.1007/BF02873778]Search in Google Scholar
[Kumar M., Prasad B. 1988. Effect of natural zinc complexes on diffusion of zinc in calcareous soils. Journal of Nuclear Agriculture and Biology 17: 144-150.]Search in Google Scholar
[Lee Y. S., Bartlett R. J. 1976. Stimulation of plant growth by humic substances. Soil Sci. Soc. Amer. J. 40: 876-879.10.2136/sssaj1976.03615995004000060023x]Search in Google Scholar
[Lobartini J. C., Orioli G. A. 1988. Absorption of iron from Fe-humate in nutrient solutions by plants. Plant Soil 106: 153-157.10.1007/BF02371209]Search in Google Scholar
[Mazhoudi S., Chaoui A., Ghorbal M. H., Ferjani E. E. 1997. Response of antioxidant enzymes to excess copper in tomato (Lycopersicon esculentum Mill.). Plant Sci. 127: 129-137.10.1016/S0168-9452(97)00116-7]Search in Google Scholar
[Maclean A. J. 1976. Cd concentration in oats, soybean, timothy grass, alfalfa, maize and tomato. Can. J. Soil Sci. 56: 129-138.]Search in Google Scholar
[McKenna I. M., Chaney R. L., Williams F. M. 1993. The effects of cadmium and zinc interactions on the accumulation and tissue distribution of zinc and cadmium in lettuce and spinach. Environmental Pollution 79: 113-120.10.1016/0269-7491(93)90060-2]Search in Google Scholar
[Mesut Cimrin K., Ismail Yilmaz 2005. Humic acid applications to lettuce do not improve yield but do improve phosphorus availability. Acta Agriculturae Scandinavica Section B - Soil and Plant 55: 58-63.10.1080/09064710510008559]Search in Google Scholar
[Miravé J. P., Orioli G. A. 1987. Edaphic mobility of complete humic acid and fractions of high and medium molecular weight. Plant Soil 104: 169-174.10.1007/BF02372529]Search in Google Scholar
[Moya J. L., Ros R., Picazo I. 1993. Influence of cadmium and nickel on growth, net photosynthesis and carbohydrate distribution in rice plants. Photosyn. Res. 3: 75-80.]Search in Google Scholar
[Mylonas V. A., Mccants C. B. 1980. Effects of humic and fulvic acids on growth of tobacco. I. Root initiation and elongation. Plant & Soil 54: 485-490.10.1007/BF02181841]Search in Google Scholar
[Padmaja K. Prasad D. D. K. Prasad A. R. K. 1990. Inhibition of chlorophyll synthesis in Phaseolus vulgaris seedlings by cadmium acetate. Photosynthetica 24: 399-405.]Search in Google Scholar
[Pandeya S. B., Singh A. K., Dhar P. 1998. Influence of fulvic acid on transport of iron in soils and uptake by paddy seedlings. Plant & Soil 198: 117-125.10.1023/A:1004256325090]Search in Google Scholar
[Pankovic D., Sakac Z., Kevresan S., Plesnicar M. 2000. Acclimation to long term water deficit in the leaves of two sun flower hybrids: photosynthesis, electron transport and carbon metabolism. J. Exp. Bot. 50: 127-138.]Search in Google Scholar
[Pempkowiak J., Kosakowska A. 1998. Accumulation of cadmium by green algae Chlorella vulgaris in the presence of marine humic substances. Environ. Int. 24: 583-8.10.1016/S0160-4120(98)00044-0]Search in Google Scholar
[Perl-Treves R., Galun E. 1991. The tomato Cu, Zn superoxide dismutase genes are developmentally regulated and respond to light and stress. Plant Biol. 17: 745-760.]Search in Google Scholar
[Pinton R., Cesco S., Santi S., Agnolon F., Varanini Z. 1999. Waterextractable humic substances enhance iron deficiency responses by Fe-deficient cucumber plants. Plant Soil 210: 145-157.10.1023/A:1004329513498]Search in Google Scholar
[Sandalio L. M., Dalruzo H. C., Gomez M., Romero-Puetras M. C., del-Rio L. A. 2001. Cadmium-induced changes in the growth and oxidative metabolism of pea plants. J. Exp. Bot. 52(364): 2115-2126.]Search in Google Scholar
[Santandrea G., Pandolfini T., Bennici A. 2000. A physiological characterization of Mn-tolerant tobacco plants selected by in vitro culture. Plant Sci. 150: 163-177.10.1016/S0168-9452(99)00180-6]Search in Google Scholar
[Scandialos J. C. 1993. Oxygen stress and superoxide diiutases. Plant Physiol. 101: 7-12.10.1104/pp.101.1.7]Search in Google Scholar
[Sedlacek J., Källqvist T., Gjessing E. T. 1983. Effect of a aquatic humus on uptake and toxicity of cadmium to Selenastrum capricornutum Printz. pp: 495-516. In: Aquatic and Terrestrial Humic Materials. (Christman R. F. & Gjessing E. T. eds.) Ann. Arbor. Science Publishers MI.]Search in Google Scholar
[Shah K., Kumar R. G., Verma S., Dubey R. S. 2001. Effect of cadmium on lipid peroxidation, superoxide anion generationand activities of antioxidant enzymes in growing riceseedlings. Plant Sci. 161: 1135-1144.]Search in Google Scholar
[Somashekaraiah B. V., Padmaja K., Prasad A. R. K. 1992. Phytotoxicity of cadmium ions on germinating seedlings of mung bean (Phaseolus vulgaris): involvement of lipid peroxides in chlorophyll degradation. Physiol. Plant. 85: 85-89.10.1034/j.1399-3054.1992.850113.x]Search in Google Scholar
[Stobart A., Griffiths W., Ameen-Bukhari I., Sherwood R. 1985. The effect of Cd2+ on the biosynthesis of chlorophyll in leaves of barley. Physiol. Plant. 63: 293-298.10.1111/j.1399-3054.1985.tb04268.x]Search in Google Scholar
[Van Assche F., Clijsters H. 1990. Effects of metals on enzyme activity in plants. Plant Cell Environ. 13: 195-206.10.1111/j.1365-3040.1990.tb01304.x]Search in Google Scholar
[Van Camp W., Bowler C., Villarroel R., Tsang E. W. T., Van Montagu M., Inze D. 1990. Characterization of iron superoxide dismutase cDNAs from plants obtained by genetic complementation in Escherichia coli. Proc. Nat. Acad. Sci. USA 87: 9903-9907.10.1073/pnas.87.24.9903]Search in Google Scholar
[Wang D. Y., Qing C. L., Guo T. Y., Guo Y. J. 1997. Effects of humic acid on transport and transformation of mercury in soil-plant systems. Water Air & Soil Pollution, 95 (1-4): 35-43.]Search in Google Scholar
[Wagner G. J. 1993 Accumulation of cadmium in crop plants and its consequences to human health. Adv. Agron. 51: 173-212.10.1016/S0065-2113(08)60593-3]Search in Google Scholar
[Weckx J. E. J., Clijsters H. 1996. Oxidative damage and defense mechanisms in primary leaves of Phaseolus vulgaris as a result of root assimilation of toxic amounts of copper. Physiol. Plant. 96: 506-12.10.1111/j.1399-3054.1996.tb00465.x]Search in Google Scholar
[Zhang X., Ervin E. H. 2004. Cytokinin-containing seaweed and humic acid extracts associated with creeping bentgrass leaf cytokine and drought resistance. Crop Sci. 44: 1-10.10.2135/cropsci2004.1737]Search in Google Scholar