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Soil, slurry and application effects on greenhouse gas emissions

Author

Listed:
  • M. Severin

    (Department of Animal Sciences, Faculty of Agricultural Science, Georg-August- University of Göttingen, Göttingen, Germany)

  • R. Fuß

    (Johann Heinrich von Thünen Institute, Institute of Climate-Smart Agriculture,)

  • R. Well

    (Johann Heinrich von Thünen Institute, Institute of Climate-Smart Agriculture,)

  • F. Garlipp

    (Department of Animal Sciences, Faculty of Agricultural Science, Georg-August- University of Göttingen, Göttingen, Germany)

  • H. Van den Weghe

    (Department of Animal Sciences, Faculty of Agricultural Science, Georg-August- University of Göttingen, Göttingen, Germany)

Abstract

In conjunction with soil type and climate, the use of nitrogen fertilizers is a major factor affecting nitrous oxide emissions. This study compares injection of pig slurry and pig slurry digestate at 15 or 20 cm depths with trailing-hose application followed by immediate incorporation. The work was based on a laboratory microcosm experiment with undisturbed soil cylinders (0-30 cm depth) from three arable soils (Histosol, Gleysol and Plaggic Anthrosol). Soil cylinders were fertilized with pig slurry and pig slurry digestate (150 kg N/ha) and emissions of N2O, CH4 and CO2 were monitored. The comparison of application techniques over a 37-day period show that soil type and application technique, had a strong (P < 0.001) impact on N2O emissions. Fertilization with pig slurry showed no significantly higher N2O emissions than pig slurry digestate. Fertilizer injection significantly increased N2O emissions compared to fertilization with a trailing-hose with incorporation.

Suggested Citation

  • M. Severin & R. Fuß & R. Well & F. Garlipp & H. Van den Weghe, 2015. "Soil, slurry and application effects on greenhouse gas emissions," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 61(8), pages 344-351.
    • Handle: RePEc:caa:jnlpse:v:61:y:2015:i:8:id:21-2015-pse
    DOI: 10.17221/21/2015-PSE
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