References
- Bremmer , J. M. 1965 . “ Nitrogen determination ” . In Methods of Soil Analysis ‐ Part 2, Chemical and Microbiological Properties , Edited by: Black , C.A. 1143 – 1178 . Madison, WI : American Society of Agronomy, Inc. .
- Chapman , H. D. and Pratt , P. F. 1961 . Methods of Analysis of Soils, Plants, and Waters , Berkeley, CA : University of California, Division of Agricultural Sciences .
- Cleland , R. E. 1980 . “ Auxin and H+ excretion: The state of our knowledge ” . In Plant Growth Substances , Edited by: Skoog , F. 71 – 78 . New York, NY : Springer .
- David , D. J. 1960 . Determination of exchangeable sodium, potassium, calcium and magnesium by atomic‐absorption spectrophotometry . Analyst Lond. , 85 : 495 – 508 .
- Ellis , C. H. , Zook , E. G. and Brandish , O. 1949 . Colorimetric determination of boron using 1,1'‐dianthrimide . Analyt. Chem. , 21 : 1345 – 1348 .
- Fernandes , J. C. and Henriques , F. S. 1990a . Heavy metal contents of paddy fields of Alcacer do Sal, Portugal . Sci. Total Environ. , 90 : 89 – 97 .
- Fernandes , J. C. and Henriques , F. S. 1990b . Metal levels in soils and cattail (Typha latifolia L.) plants in a pyrites mine area at lousal, Portugal . Intern. J. Environ. Studies , 36 : 205 – 210 .
- Fernandes , J. C. and Henriques , F. S. 1991a . Metal uptake and distribution in rush (Juncus conglomerants L.) plants growing in pyrites mine tailings at Lousal, Portugal . Sci. Total Environ. , 102 : 253 – 260 .
- Fernandes , J. C. and Henriques , F. S. 1991b . Biochemical, physiological and structural effects of excess copper in plants . Bot. Review , 57 : 246 – 273 .
- Fiske , C. H. and Subbarow , Y. 1925 . The colorimetric determination of phosphorus . J. Biol. Chem. , 66 : 375 – 400 .
- Foy , C. D. , Chaney , R. L. and White , M. C. 1978 . The physiology of metal toxicity in plants . Ann. Rev. Plant Physiol. , 29 : 511 – 566 .
- Gorfinkiel , E. and Pollard , A. G. 1952 . A modified procedure for determining boron in plant material and soil, using 1,1'‐dianthrimide . J. Sci. Fd. Agric. , 3 : 622 – 624 .
- Hager , A. , Menzel , H. and Kraus , A. 1971 . Versuche und hypothese zur primarwirkung des auxins beim Streckungswachstum . Planta , 100 : 47 – 75 .
- Hogan , G. D. and Rauser . 1981 . Role of copper binding, absorption and translocation in copper tolerance of Agrostis gigantea roth . J. Exp. Bot. , 32 : 27 – 36 .
- Jackson , M. L. 1958 . Soil Chemical Analysis , Englewood Cliffs, NJ : Prentice‐Hall, Inc. .
- Ketchie , D. O. . Methods of determing cold hardiness and cold injury in citrus . Proceedings First International Citrus Symposium . Vol. 2 , pp. 559 – 563 .
- Ketchie , D. O. , Beeman , C. H. and Ballard , A. L. 1972 . Relationship of electrolytic conductance to cold injury and acclimation in fruit trees . J. Amer. Soc. Hort. Sci. , 97 : 403 – 406 .
- Lepp , N. W. , Dickinson , N. M. and Ormand , K. L. 1984 . Distribution of fungicide‐derived copper in soils and vegetation of different aged stands of coffee (Coffea arabica L.) in Kenya . Plant Soil , 77 : 263 – 270 .
- Lidon , F. C. and Henriques , F. S. 1991 . Limiting step on photosynthesis of rice plants treated with varying copper levels . J. Plant Physiol. , 138 : 115 – 118 .
- Lidon , F. C. and Henriques , F. S. 1991a . Effects of copper on the ascorbate, diamine and o‐diphenol oxidases activities of rice leaves . Oyton‐Inter. J. Bot. , 52 : 97 – 104 .
- Lidon , F. C. and Henriques , F. S. 1992 . Effects of excess Cu on the photosynthetic pigments in rice plants . Bot. Bull. Acad. Sinica , 33 : 141 – 149 .
- Lidon , F. C. and Henriques , F. S. 1992a . Copper toxicity in rice: a diagnostic criteria and its effect on Mn and Fe contents . Soil Sci. , 154/2 : 130 – 135 .
- Lidon , F. C. and Henriques , F. S. 1992b . Effects of increasing concentrations of copper on metal uptake kinetics . Soil Sci. , 154/1 : 44 – 49 .
- Lidon , F. C. and Henriques , F. S. in press . Effects of copper on the nitrate to ammonia reduction mechanism in rice plants . Photosynthetica ,
- Lidon , F. C. and Henriques , F. S. in press . Changes in the thylakoid membrane polypeptide patterns triggered by excess Cu in rice . Photosynthetica ,
- Lidon , F. C. and Henriques , F. S. in press . Changes in the contents of the photosynthetic electron carriers triggered by excess copper in rice . Photosynthetica ,
- Lolkema , P. C. , Doornhof , M. and Ernst , W. H. O. 1986 . Interaction between a copper‐tolerant and a copper‐sensitive population of Silene cucubalus . Physiol. Plant. , 67 : 654 – 658 .
- Lucas , M. D. and Sequeira , E. M. 1971 . Determinaçao do Cu, Zn, Co, Mn, Fe, Ti, Al, Ca e Mg. totais nos solos por espectrofotometria de absoreâo atomica . Pedologia, Oeiras , 6 : 55 – 66 .
- Olsen , R. A. 1972 . “ Micronutrient interactions ” . In Micronutrients in Agriculture , Edited by: Mortvedt , J. J. , Giordano , P. M. and Lindsay , W. L. 243 – 264 . Madison, WI : American Society of Agronomy .
- Peneda , M. C. and Coelho , A. T. 1978 . Valor e potencialidades do estuario do Sado , Lisboa : Serviços de Estudos do Ambiente .
- Peneda , M. C. 1980 . Estudo do impacto da central térmica de Setubal. Resultados priliminares, fase. I , Lisboa, , Portugal : Serviaos de Estudos do Ambiente .
- Pinta , M. Paris 1962 . Research Dosage des Elements Trace. Dunod Paris , 56 – 60 . France
- Purvis , E. R. and Peterson , N. K. 1956 . Methods of soil and plant analysis for molybdenum . Soil Sci. , 81 : 223 – 228 .
- Rayle , D. and Cleland , R. E. 1977 . Relationship of plant cell enlargement by hydrogen ions . Curr. Top. Dev. Biol. , 11 : 187 – 214 .
- Stiborova , M. , Doubravova , M. , Brezinova , A. and Friedrich , A. 1986 . Effect of heavy metal ions on growth and biochemical characteristics of photosynthesis of barley (Hordeum vulgare L.) . Photosynthetica , 20 : 418 – 425 .
- Tayler , R. W. and Griffin , G. F. 1981 . The distribution of topically applied heavy metals in the soil . Plant Soil , 62 : 147 – 152 .
- Vale , C. and Cortesao , C. . Heavy Metals in the Hydrological Cycle . Proceedings Conference Lisbon . September 1988 . Zinc, copper and cadmium in the oyster Crassostrea angulata from the Sado estuary (Portugal) , Edited by: Astru , H. and Lester , J. N. pp. 257 – 264 . London, , England : Selper Ltd .
- Yoshida , S. , Forno , D. A. , Cook , J. H. and Gomes , K. A. 1976 . “ Routine procedure for growing rice plants in culture solution ” . In Laboratory Manual for Physiological Studies of Rice. , 3rd Edition , 61 – 65 . Los Bahos, Laguna, , Philippines : The International Rice Research Institute .
- Zocchi , G. and Cocucci , S. 1990 . Fe uptake mechanism in Fe‐efficient cucumber roots . Plant Physiol. , 92 : 908 – 911 .