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The changes of soil nitrogen and carbon contents in a long-term field experiment under different systems of nitrogen fertilization

Author

Listed:
  • V. Nedvěd

    (Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences, Prague, Czech Republic)

  • J. Balík

    (Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences, Prague, Czech Republic)

  • J. Černý

    (Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences, Prague, Czech Republic)

  • M. Kulhánek

    (Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences, Prague, Czech Republic)

  • M. Balíková

    (Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences, Prague, Czech Republic)

Abstract

Content of N and C in soil were investigated in a long-term field experiment under different systems of N fertilization. Chernozem and Cambisol were extracted using hot water (Nhws, Chws) and 0.01M CaCl2 (NCaCl2, CDOC). The Ct/Nt ratio in Chernozem was 9.6:1 and in Cambisol 6.1:1. The lowest Ct/Nt ratio in both experiments was found in the control treatment. Results showed that C and N compounds are less stable in Cambisol, which leads to a higher rate of mineralization. In the Chernozem, Nhws formed 3.66% from the total N content in the soil whereas NCaCl2 formed only 0.82%. Chws formed 2.98% and CDOC 0.34% from total C content. Cambisol contains 4.81% of Nhws and 0.84% of NCaCl2 from the total N amount and 5.76% of Chws and 0.70% of CDOC from the total C content, respectively. Nitrogen extracted by 0.01M CaCl2 formed only 22.4% of N extractable by hot water in Chernozem and 17.5% in Cambisol. The lowest C/N ratios were obtained after the CaCl2 extraction (3.0-6.2:1). The application of manure increased the content of soil organic N and C compared to the sewage sludge treatments.

Suggested Citation

  • V. Nedvěd & J. Balík & J. Černý & M. Kulhánek & M. Balíková, 2008. "The changes of soil nitrogen and carbon contents in a long-term field experiment under different systems of nitrogen fertilization," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 54(11), pages 463-470.
    • Handle: RePEc:caa:jnlpse:v:54:y:2008:i:11:id:435-pse
    DOI: 10.17221/435-PSE
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    References listed on IDEAS

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    1. J. Balík & J. Černý & P. Tlustoš & M. Zitková, 2003. "Nitrogen balance and mineral nitrogen content in the soil in a long experiment with maize under different systems of N fertilization," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 49(12), pages 554-559.
    2. J. Černý & J. Balík & M. Kulhánek & V. Nedvěd, 2008. "The changes in microbial biomass C and N in long-term field experiments," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 54(5), pages 212-218.
    3. W. Sądej & K. Przekwas, 2008. "Fluctuations of nitrogen levels in soil profile under conditions of a long-term fertilization experiment," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 54(5), pages 197-203.
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    1. J. Černý & J. Balík & M. Kulhánek & K. Čásová & V. Nedvěd, 2010. "Mineral and organic fertilization efficiency in long-term stationary experiments," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 56(1), pages 28-36.
    2. J. Černý & J. Balík & M. Kulhánek & F. Vašák & L. Peklová & O. Sedlář, 2012. "The effect of mineral N fertiliser and sewage sludge on yield and nitrogen efficiency of silage maize," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 58(2), pages 76-83.
    3. Jiří BALÍK & Jindřich ČERNÝ & Martin KULHÁNEK & Ondřej SEDLÁŘ, 2018. "Soil carbon transformation in long-term field experiments with different fertilization treatments," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 64(12), pages 578-586.
    4. F. Doležal & S. Matula & J.M. Moreira Barradas, 2012. "Percolation in macropores and performance of large time-domain reflectometry sensors," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 58(11), pages 503-507.

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