Dr. Manfred Trimborn

© Uni-Bonn

Research associate at the Institute for Agricultural Engineering at the University of Bonn

Research areas

Curriculum vitae

  • Main research interests: Nutrient dynamics in soils, fertilization, nutrient recycling, trace gas emissions, emission reduction in animal husbandry (stable, farm manure).

  • Since 2014: Research associate. Management and coordination of projects on trace gas emissions from animal husbandry (NReduk, NPassend, EmiMin, TUI Milchkuh, EmiMod) and supervision of PhD projects on emission reduction from liquid manure (ASAP, SAFT a.o.), University of Bonn, Institute of Agricultural Engineering (ILT).

  • 2009-2014 Research associate. University of Bonn Institute of Crop Sciences and Resource Conservation (INRES).

  • 2007-2009: Research associate. Subproject coordination: Soil melioration and cultivation methods for drought-prone sites. University of Hohenheim. Institute of Tropical Agricultural Sciences

  • 2002-2007: Research associate. Degradation and production of trace gases during exhaust air treatment in animal husbandry and composting plants. Mitigation of environmental pollution caused by animal husbandry. University of Bonn. Institute of Plant Nutrition (IPE)

  • 1995-2002: Research associate: N turnover, denitrification, production and degradation of N2O in soils. University of Bonn, Institute Agricultural Chemistry (ACI).

  • 2002: PhD: Denitrification, production and consumption of N2O in hydromorphic soil.
  • 1989 - 1995: Studies of agricultural sciences at the Rheinische Friedrich-Wilhelms-University Bonn, Dipl.-Ing. agr.
  • Various voluntary commitments.
  • Member of the KTBL working groups "Determination of emission data for the assessment of the environmental impact of livestock farming - EmiDat" and "Evaluation of husbandry methods with regard to emissions".

Projects/Third-party funds



06/2019 till now



09/2018 till now


  • Naemi von Jasmund, Alexander J. Schmithausen, Manuel S. Krommweh, Manfred Trimborn, Peter Boeker & Wolfgang Büscher ( 2022) Assesment of ammonia sensors and photoacoustic measurement systems using a gas calibration unit.
    Computers and Electronics in Agriculture, Volume 194, 2022, 106744
  • Alexander J. Schmithausen, Hauke F. Deeken, Katrin Gerlach, Manfred Trimborn, Kirsten Weiß, Wolfgang Büscher & Gerd-Christian Maack (2022) Greenhouse gas formation during the ensiling process of grass and lucerne silage.
    Journal of Environmental Management Volume 304 15 February 2022, 114142
  • Philipp Swoboda, Martin Hamer, Michael Stotter, Thomas F. Döring & Manfred Trimborn (2021) Effects of Rock Powder Additions to Cattle Slurry on Ammonia and Greenhouse Gas Emissions.
    Atmosphere, EISSN 2073-4433, Published by MDPI
  • Veronika Overmeyer, Anita Kube, Joachim Clemens, Wolfgang Büscher & Manfred Trimborn (2021)
    One-Time Acidification of Slurry: What Is the Most Effective Acid and Treatment Strategy?
    Agronomy 2021, 11, 1319. https://doi.org/10.3390/agronomy11071319
  • Carolin Adler, Alexander J. Schmithausen, Manfred Trimborn, Sophia Heitmann, Birgit Spindler, Inga Tiemann, Nicole Kemper & Wolfgang Büscher (2021) Effects of a Partially  Perforated Flooring System on Ammonia Emissions  in Broiler  Housing—Conflict of Objectives between Animal Welfare and  Environment?
    Animals 2021, 11(3), 707
  • Guilin Shan, Wolfgang Buescher, Christian Maack, André Lipski, Ismail‑Hakki Acir, Manfred Trimborn, Fabian Kuellmer, Ye Wang, David A. Grantz & Yurui Sun (2021)
    Dual sensor measurement shows that temperature outperforms pH as an early sign of aerobic deterioration in maize silage
    Scientific Reports | (2021) 11:8686
  • Veronika Overmeyer, Felix Holtkamp, Joachim Clemens, Wolfgang Büscher, Manfred Trimborn (2020) Dynamics of Different Buffer Systems in Slurries Based on Time and Temperature of Storage and Their Visualization by a New Mathematical Tool,                                                                                                                                                              https://doi.org/10.3390/ani10040724
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