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Dissolved organic and inorganic phosphorus compounds in pig slurry: effect of drying

Published online by Cambridge University Press:  27 March 2009

R. G. Gerritse  and
R. Eksteen
R. G. Gerritse
Affiliation:
Institute for Soil Fertility, Haren (Gr.).The Netherlands
R. Eksteen
Affiliation:
Laboratory of Analytical Chemistry, University of Amsterdam, The Netherlands
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Summary

From gel filtration studies it has been found that more than 50% of organic phosphorus dissolved in pig slurry is contained in compounds of high molecular weight. Various ions, e.g. calcium, copper, orthophosphate, are bound by these compounds. From the purine and pyrimidine base composition and resistance to acid and alkali treatment it follows that these organic compounds probably are complexes derived from polydeoxyribonucleotides (DNA).

The effect of drying pig slurry at various temperatures (0–100 °C) on the solubility of phosphorus, calcium and copper after redispersion of the dried slurry was investigated. The solubility of organic phosphorus was not affected by drying and redispersion in water, but the amount of phosphorus contained in dissolved organic molecules of high molecular weight decreased on drying at higher temperatures. The solubility of copper was also not affected by heat treatment. The solubility of inorganic phosphorus is mainly related to the solubility constants of mineral phosphates. On the other hand the total solubility of the cations involved is determined by complex formation.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 90 , Issue 1 , February 1978 , pp. 39 - 45
Copyright
Copyright © Cambridge University Press 1978

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References

REFERENCES

Adams, P. (1971). Ionic concentrations and activities in soil solutions. Soil Science Society of America, Proceedings 35, 420–6.CrossRefGoogle Scholar
Barrow, N. J. (1975). Chemical forms of inorganic phosphate in sheep faeces. Australian Journal of Soil Research 13, 63–7.CrossRefGoogle Scholar
Benditch, A. (1957). Methods for characterization of nucleic acids by base composition. In Methods of Enzymology. 3. Preparation and Assay of Enzymes (ed. Colowick, S. P. and Kaplan, N. O.), pp. 715–23. New York: Academic Press.Google Scholar
Campbell, L. B. & Racz, G. J. (1975). Organic and inorganic P content, movement and mineralization in soil beneath a feedlot. Canadian Journal of Soil Science 55, 457–66.CrossRefGoogle Scholar
Garrels, B. M. & Christ, C. L. (1965). Solutions, Minerals and Equilibria. New York: Harper and Row.Google Scholar
Gehrke, C. W. & Ruyle, C. D. (1968). Gas liquid chromatographic analysis of nucleic acid components. Journal of Chromatography 38, 473–91.CrossRefGoogle ScholarPubMed
Gerritse, R. G. (1977). Phosphorus compounds in pig slurry and their retention in the soil. In Proceedings of the EEC seminar on Utilization of manure by land spreading. Commission of the European Communities Publication no. EUR 5672 e, 257–66.Google Scholar
Gerritse, R. G. & Zugec, I. (1977). The phosphorus cycle in pig slurry measured from 32PO4 distribution rates. Journal of Agricultural Science, Cambridge 88, 101–9.CrossRefGoogle Scholar
Hannapel, R. J., Fuller, W. H. & Bosma, S. (1963). Phosphorus movement in a calcareous soil: 1. Predominance of organic forms of phosphorus in phosphorus movement. Soil Science 97, 350–7.CrossRefGoogle Scholar
Huber, J. F. K. (1969). High efficiency, high speed liquid chromatography in columns. Journal of Chromatographic Science 7, 85–90.CrossRefGoogle Scholar
Kielland, J. (1937). Individual activity coefficients of ions in aqueous solutions. Journal of the American Chemical Society 59, 1675–8.CrossRefGoogle Scholar
Larsen, S., Gunary, D. & Sutton, C. D. (1965). The rate of immobilization of applied phosphate in relation to soil properties. Journal of Soil Science 16, 142–8.CrossRefGoogle Scholar
Lexmond, Th. M. & De Haan, F. A. M. (1977). Implications of the use of Cu as a feed additive for pollution of soil. Transactions of the Special Seminar on Soil Environment and Fertility Management in Intensive Agriculture, 10–17October, Tokyo, Japan (in the Press).Google Scholar
Minear, R. A. (1972). Characterization of naturally occurring dissolved organophosphorus compounds. Environmental Science and Technology 6, 431–7.CrossRefGoogle Scholar
Moreno, E. C., Brown, W. E. & Osborn, G. (1960) Solubility of dicalcium phosphate dihydrate in aqueous systems. Soil Science Society of America, Proceedings 24, 99–102.CrossRefGoogle Scholar
Powers, B. F., Kani, I. & Zinke, P. J. (1975). Adding phosphorus to forest soils: Storage capacity and possible risks. Bulletin of Environmental Contamination and Toxicology 14, 257–64.CrossRefGoogle ScholarPubMed
Rolston, D. E., Rauschkolb, R. S. & Hoffmann, D. L. (1975). Infiltration of organic phosphate compounds in the soil. Soil Science Society of America, Proceedings 39, 1089–94.CrossRefGoogle Scholar