- C/N turnover, microbial dynamics and emissions of greenhouse gases associated with storage, treatment and field application of livestock manure and organic wastes
- processes in surface crusts of slurry stores
- microbial dynamics in urine spots of grazed pastures
- quantification and inventories of N2O and CH4 emissions
- recycling of organic wastes
- Microbial ecology of arable soil, including effects of soil physical conditions (texture, structure, soil water content) for microbial activities
- effects of reduced tillage
- impact of crop rotation on C/N-dynamics and N losses
- Role of membrane lipids in stress regulation
- Drought and cold tolerance among invertebrates
- Ecotoxicological effects
Professional tasks:
Associate Editor, Journal of Environmental Quality (2009-2011)
Subject Editor, Soil Biology & Biochemistry