References
- Mitchell , G.A. , Bingham , F.T. and Page , A.L. 1978 . Yield and metal composition of lettuce and wheat grown on soils amended with sewage sludge enriched with cadmium, copper, nickel and zinc . J. Environ. Qual. , 7 : 165 – 171 .
- John , M.K. 1972 . Heavy metal in plants and soils . Can. Agric. , 17 : 20 – 21 .
- Rappaport , B .D. , Martens , D.C. , Reneau , R. B. and Simpson , T.W. 1988 . Metal availability in sludge amended soils with elevated metal levels . J. Environ. Qual. , 17 : 42 – 47 .
- Rosen , J.A. , Pike , C.S. and Golden , M.L. 1977 . Zinc, iron and chlorophyll metabolism in zinc toxic corn . Plant Physiol. , 59 : 1085 – 1087 .
- Banerjee , S. . Biological value and essential amino acid composition of some pulses . Symposium on Protein Chemical Research Committee and Society of Biological Chemists (India) . Mysore, India. pp. 355 – 356 .
- Greenstein , J.P. 1961 . Chemistry of the Amino Acids , Volume III , Washington, DC : Laboratory of Biochemists, National Cancer Institute .
- Mitreva , N.I. 1989 . Physiological interactions of sunflower plant with its nutrient medium during ontogenesis . Plant and Soil. , 115 : 23 – 28 .
- Dang , Y.P. , Chhabra and Verma , K.S. 1990 . Effect of Cd, Ni, Pb and Zn on growth and chemical composition of onion and fenugreek . Commun. Soil Sci. Plant Anal. , 21 (9–10) : 717 – 735 .
- Hampp , R.K. , Beulich , H. and Ziegler , H. 1966 . Effect of Zn and Cd on photosynthetic CO2 fixation and Hill activity of isolated chloroplasts . Z Pflanzen Physiol. , 77 : 336 – 344 .
- Porter , J.R. and Sheridan , R.P. 1981 . Inhibition of nitrogen fixation in alfalfa by arsenate, heavy metals, fluoride and stimulated acid rain . Plant Physiol. , 68 : 143 – 148 .
- Tsui , C. 1948 . The role of zinc in auxin synthesis in the tomato plants . Amer. J. Bot. , 35 : 172 – 179 .
- Lingle , J.C. , Tiffin , L.O. and Brown , J.C. 1963 . Iron uptake transport of soybeans as influenced by other cations . Plant Physiol. , 38 : 71 – 76 .
- Agarwala , S.C. , Bisht , S.S. and Sharma , C.B. 1977 . Relative effectiveness of certain heavy metals in producing toxicity and symptoms of iron deficiency in barley . Can. J. Bot. , 55 : 1299 – 1307 .
- Kalyanaraman , S.B. and Sivagurunathan , P. in press . Effect of zinc on some important macro and micro element in blackgram leaves . J. Plant Nutri. ,
- Kalyanaraman , S.B. and Sivagurunathan , P. 1993 . Effect of cadmium, copper and zinc on the growth of blackgram . J. Plant Nutri. , 16 : 2029 – 2042 .
- Singh , Amar . 1978 . Physiology of chlorosis ‐ development of chlorosis in plants, its effect on chlorophyll content and carbohydrate metabolism . Environ. Physiol. Ecol. Plants. , : 173 – 183 .