References
Bohlool BB, Ladha JK, Garrity DP and George T (1992) Biological nitrogen fixation for sustainable agriculture: A perspective. Plant and Soil 141:1–11.
Bremner JM, Mulvaney RL (1978) Urease activity in soils. In: Soil enzymes. Academic Press, London.
Diatloff A, Redden RJ, Herridge DF (1991) Correlation between xylum ureide levels and nodulation in field grown Phaseolus vulgaris. Aust J Expt Agri 31:679–82.
Doleman P, Haanstra L (1986) Short and long term effects of heavy metals on urease activity in soils. Boil Fertil Soils 2:213–218.
Evans HJ (1974) Symbiotic N2 fixation in legume root nodule. Research experience in plant physiology. JC Moore, Springer Verlag, New York.
Hardy RWF, Holstein RW, Jackson EK, Burns RC (1968) The acetylene, ethylene assay for nitrogen fixation laboratory and field evaluation. Plant Physiol 43:1185–1207.
Herridge DF and Peoples MB (1990) Ureide assay for measuring nitrogen fixation by nodulated soybean calibrated by 15N methods. Plant Physiol 93:495–503.
Jackson ML (1976) Soil chemical analysis, Prentice Hall of India, New Delhi.
Kenny D (1982) Nitrogen management for maximum efficiency and minimum pollution. In nitrogen in agricultural soils ASA, Madison, WI.
Lowry OH, Rosenbrough NJ, Farr AL, Randoll RJ (1951) Protein measurement with the Folin phenol reagent. J Biol Chem 193:265–275.
Madhavi B, Anand CS, Bharathi A and Polasa H (1993) Effect of pesticides on growth of rhizobia and their host plants during symbiosis. Biomed Environ Sci 6:89–94.
Madhavi B, Anand CS, Bharathi A and Polasa H (1994) Biotoxic effects of pesticides on symbiotic properties of Rhizobium species. Bull Environ Contam Toxicol 52:87–94.
Mayer R (1985) Ein Bodenkundler Warnt. In: Schwermetall-Asreicherung plus sauvem Niederschlag liegt die starkste Bedrohung. Bildder Wissenschaft 3:63–70
Nirmala J and Sivarama Sastry K (1972) Modified method for analysis of glyoxylate derivatives in biological materials. Anal Biochem 47:218–227.
Nor YM (1982) Soil urease activity and kinetics. Soil Biol Biochem 14:63–65.
Tyler G (1972) Heavy metals pollute nature may reduce productivity. Ambio 1:52–59.
Tyler G (1974) Heavy metal pollution and soil enzymatic activity. Plant and Soil 41:303–311.
Vincent JM (1970) A manual for the practical study of root nodule bacteria. IBP Hand Book No.15, Blackwell Science Publications, Oxford and Edinburgh.
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Reddy, D.S., Reddy, G. & Polasa, H. Biotoxic effects of copper on ureide metabolism of pigeon pea. Bull. Environ. Contam. Toxicol. 54, 884–891 (1995). https://doi.org/10.1007/BF00197974
Received:
Accepted:
Issue Date:
DOI: https://doi.org/10.1007/BF00197974