Mineral fertilisation as a factor determining selected sorption properties of soil against the activityof phosphatases

J. Lemanowicz
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J. Lemanowicz: Sub-Department of Biochemistry, Faculty of Agriculture and Biotechnology, University of Technology and Life Sciences in Bydgoszcz, Bydgoszcz, Poland

Plant, Soil and Environment, 2013, vol. 59, issue 10, 439-445

Abstract: The paper presents the contents of phosphorus and potassium available in soil, soil sorption properties against the activity of alkaline and acid phosphatase. The fertilisation applied involved P, K, Mg, Ca and S: (P K Mg Ca S), (K Mg Ca S), (P Mg Ca S), (P K Ca S), (P K Mg S), (P K Mg Ca) as well as nitrogen fertilisation at the following rates: 0, 50, 100, 150, 200, 250 kg N/ha. The application of high nitrogen rates with no liming applied resulted in an unfavourable increase in hydrolytic acidity and a decrease in the total bases, cation exchange capacity as well as the sorption complex saturation with bases. According to the criteria provided in PN-R-04023, the soil investigated can be classified as the 3rd class with an average available phosphorus (PE-R). The analysis of Luvisol salinity demonstrated that the unbalanced mineral fertilisation applied did not trigger any chemical degradation. Significant values of the coefficients of correlation were recorded between the activity of alkaline and acid phosphatase and the parameters investigated (hydrolytic acidity, total exchangeable, base stauration, PE-R). The calculated enzymatic index of soil pH (AlP/AcP) ranged from 0.11 to 0.72.

Keywords: phosphorus; potassium; alkaline and acid phosphatases; Luvisol; chemical properties (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpse:v:59:y:2013:i:10:id:767-2012-pse

DOI: 10.17221/767/2012-PSE

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