Abstract
Nitrification following ureolysis in soil samples from tea growing soils (pH 4.5–5.5) was found to be chiefly due to the activity of heterotrophic bacteria belonging to generaBacillus, Arthrobacter, Sporosarcina, Micrococcus, Clostridium, Pseudomonas andProteus. A correlation between the intensity of ureolytic activity of organisms in a given soil sample and the yield levels of tea was observed. In culture media the increase in the quantity of NH +4 -N indicating ureolysis was not accompanied by proportional increase in biomass. Ureolysis and nitrification in sterile soil sample inoculated with the isolates improved through amendment of organic carbon to the soil.
Similar content being viewed by others
References
Alexander, M. (1965a) inMethods of Soil Analysis. Chemical and Microbial Properties, No. 9, ed. C. A. Black, (Wisconsin: American Society of Agronomy Inc.), p. 1467.
Alexander, M. (1965b) inMethods of Soil Analysis. Chemical and Microbial Properties, No. 9, ed. C. A. Black, (Wisconsin: American Society of Agronomy Inc.), p. 1484.
Alexander, M. and Clarke F. E. (1965) inMethods of Soil Analysis. Chemical and Microbial Properties, No. 9, ed. C. A. Black, (Wisconsin: American Society of Agronomy Inc.), p. 1477.
Bhavanandan, V. P. and Sunderalingam, S. (1971)Tea Q. Ceylon,42, 40.
Make, C.W. (1946)J. Bacteriol.,52, 461.
Boon, B. and Laudelout, H. (1962)Biochem. J. 85, 440.
Bremner, J. N. (1965) inMethods of Soil Analysis. Chemical and Microbial Properties, No. 9, ed. C. A. Black (Wisconsin: American Society of Agronomy Inc.), p. 1179.
Clarke, F. E. (1965) inMethods of Soil Analysis. Chemical and Microbial Properties, No. 9, ed. C. A. Black (Wisconsin: American Society of Agronomy Inc.), p. 1493.
Conn, J. N., Jennison, M. W. and Weeks, O. B. (1957a) inC. A. Manual of Microbiological Methods, Society of American Bacteriologists (NewYork, Toronto, London: McGraw Hill Book Company Inc.), p. 140.
Conn, J. N., Barthelomeo, J. W. and Jennison, M. W. (1957b) inC.A. Manual of Microbiological Methods, Society of American Bacteriologists (New York, Toronto, London: McGraw Hill Book Company Inc.), p. 10.
Cremer, F. L. and Fox, R. H. (1980)Soil Sci. Soc. Am. J. 44, 296.
Engel, M. S. and Alexander, M. (1960)Proc. Soil Sci. Soc. Am.,24, 48.
Hofman, T. and Lees, H. (1952)Biochem. J.,52, 140.
Ishaque, M. and Cornfield, A. H. (1976)Trop. Agric.,53, 157.
Jackson, M. L. (1973)Soil Chemical Analysis (New Delhi: Prentice Hall of India Pvt. Ltd.).
Loveless, J. E. and Painter, H. A. (1968)J. Gen. Microbiol.,52, 1.
Lowry, O. H., Rosenburg, N. J., Farr, A. L. and Randall, R. J. (1961)J. Biol. Chem.,193, 265.
Matulewich, V. A., Strom, P. F. and Finstein, M. S. (1975)Appl. Microbiol.,29, 265.
Painter, H. A. (1970)Water Res.,4, 393.
Rand, M. C., Greenburg, A. E. and Taras, N. J. (1976) inStandard Methods for Examination of Water and Waste Water (Washington D.C.: American Public Health Association).
Weiss, F. W.(1957) inManual of Microbiological Methods, Society of American Bacteriologists (New York, Toronto, London: McGraw Hill Book Company, Inc.), pp. 99–119.
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Bezbaruah, B. Ureolytic and nitrifying bacterial heterotrophs from acid soils. J Biosci 5, 267–278 (1983). https://doi.org/10.1007/BF02716610
Received:
Revised:
Issue Date:
DOI: https://doi.org/10.1007/BF02716610