Soil, slurry and application effects on greenhouse gas emissions

M. Severin, R. Fuß, R. Well, F. Garlipp and H. Van den Weghe
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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

Plant, Soil and Environment, 2015, vol. 61, issue 8, 344-351

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.

Keywords: organic fertilization; manure; injection technique (search for similar items in EconPapers)
Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpse:v:61:y:2015:i:8:id:21-2015-pse

DOI: 10.17221/21/2015-PSE

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