Waldrip, H. M., Rotz, C. A.
, Hafner, S. D., Todd, R. W. & Cole, N. A. (2014).
Process-based modeling of ammonia emission from beef cattle feedyards with the integrated farm systems model.
Journal of Environmental Quality,
43(4), 1159-1168.
https://doi.org/10.2134/jeq2013.09.0354
Wagner, C.
, Nyord, T., Vestergaard, A. V.
, Hafner, S. D. & Pacholski, A. S. (2021).
Acidification effects on in situ ammonia emissions and cereal yields depending on slurry type and application method.
Agriculture (Switzerland),
11(11), Article 1053.
https://doi.org/10.3390/agriculture11111053
Takai, H., Nimmermark, S., Banhazi, T., Norton, T., Jacobson, L. D., Calvet, S., Hassouna, M., Bjerg, B.
, Zhang, G., Pedersen, S., Kai, P., Wang, K. & Berckmans, D. (2013).
Airborne pollutant emissions from naturally ventilated buildings: Proposed research directions.
Biosystems Engineering,
116, 214-220.
https://doi.org/10.1016/j.biosystemseng.2012.12.015
Støckler, A. H., Pedersen, J., Kamp, J. N., Feilberg, A. & Hafner, S. D. (2023).
Effect of manure separation on ammonia emission during storage and subsequent field application. Abstract from EGU General Assembly 2023, Vienna, Austria.
https://doi.org/10.5194/egusphere-egu23-12913
Sørensen, M. K., L. Hansen, A., C. van Dooren, H. J., W. M. Ogink, N., Aaes, O., Jensen, O. N., Nielsen, N. C.
, Feilberg, A. & Kai, P. (2023).
Nitrogen Emission from Livestock Housings Quantified Combining a Mass-Balance Model and Low-Field NMR Sensoring.
ACS Agricultural Science and Technology,
3(8), 642–647.
https://doi.org/10.1021/acsagscitech.3c00089
Sommer, S. G., Clough, T. J., Balaine, N.
, Hafner, S. D. & Cameron, K. C. (2017).
Transformation of organic matter and the emissions of methane and ammonia during storage of liquid manure as affected by acidification.
Journal of Environmental Quality,
46(3), 514-521.
https://doi.org/10.2134/jeq2016.10.0409
Sommer, S. G., Hafner, S. D., Laubach, J., van der Weerden, T. J., Leytem, A. B. & Pacholski, A. (2022).
Model for calculating ammonia emission from stored animal liquid manure.
Biosystems Engineering,
223(Part A), 41-55.
https://doi.org/10.1016/j.biosystemseng.2022.08.007
Rotz, C. A., Montes, F.
, Hafner, S. D., Heber, A. J. & Grant, R. H. (2014).
Ammonia emission model for whole farm evaluation of dairy production systems.
Journal of Environmental Quality,
43(4), 1143-1158.
https://doi.org/10.2134/jeq2013.04.0121
Rennuit, C., Triolo, J. M., Eriksen, S., Jimenez, J., Carrère, H.
& Hafner, S. D. (2018).
Comparison of pre- and inter-stage aerobic treatment of wastewater sludge: Effects on biogas production and COD removal.
Bioresource Technology,
247, 332-339.
https://doi.org/10.1016/j.biortech.2017.08.128
Quaye, A. K., Volk, T. A.
, Hafner, S., Leopold, D. J. & Schirmer, C. (2011).
Impacts of paper sludge and manure on soil and biomass production of willow.
Biomass and Bioenergy,
35(7), 2796-2806.
https://doi.org/10.1016/j.biombioe.2011.03.008
Poulsen, J. S., Jonge, N. D.
, Vieira Macêdo, W., Dalby, F. R., Feilberg, A. & Nielsen, J. L. (2022).
Characterisation of cellulose-degrading organisms in an anaerobic digester.
Bioresource Technology,
351, Article 126933.
https://doi.org/10.1016/j.biortech.2022.126933
Petersen, S. O., Hutchings, N. J., Hafner, S. D., Sommer, S. G., Hjorth, M. & Jonassen, K. (2016).
Ammonia abatement by slurry acidification: A pilot-scale study of three finishing pig production periods.
Agriculture, Ecosystems & Environment,
216, 258-268.
https://doi.org/10.1016/j.agee.2015.09.042
Peters , G., Murphy, K. R.
, Adamsen, A. P. S., Bruun, S., Svanström, M. & ten Hoeve, M. (2015).
Introducing the odour footprint – a new midpoint indicator. Poster session presented at LCM 2015, Bordeaux, France.
Pedersen, S. V., di Perta, E. S.
, Hafner, S. D., Pacholski, A. S.
& Sommer, S. G. (2018).
Evaluation of a Simple, Small-Plot Meteorological Technique for Measurement of Ammonia Emission: Feasibility, Costs, and Recommendations.
Transactions of the ASABE,
61(1), 103-115.
https://doi.org/10.13031/trans.12445
Pedersen, J. M., Feilberg, A., Kamp, J. N., Hafner, S. & Nyord, T. (2020).
Ammonia emission measurement with an online wind tunnel system for evaluation of manure application techniques.
Atmospheric Environment,
230, Article 117562.
https://doi.org/10.1016/j.atmosenv.2020.117562
Pedersen, J. M., Andersson, K.
, Feilberg, A., Delin, S.
, Hafner, S. D. & Nyord, T. (2021).
Effect of exposed surface area on ammonia emissions from untreated, separated, and digested cattle manure.
Biosystems Engineering,
202, 66-78.
https://doi.org/10.1016/j.biosystemseng.2020.12.005
Pedersen, J., Hafner, S. D., Karlsson, V., Pacholski, A. S.
, Labouriau, R. & Kamp, J. N. (2023).
Optimized design of flux chambers for online measurements of NH3 emission after field application of slurry with full-scale farm machinery. Abstract from EGU General Assembly 2023, Vienna, Austria.
https://doi.org/10.5194/egusphere-egu23-12677
Pedersen, J., Romio, C., Labouriau, R., Pacholski, A. S.
& Hafner, S. D. (2023).
Mitigating ammonia emission from slurry digestate applied to winter wheat crops: effect of digestate composition, digestate treatment, and application technique. Abstract from RAMIRAN, Cambridge, United Kingdom.
Parajuli, R., Dalgaard, T., Jørgensen, U., Adamsen, A. P. S., Knudsen, M. T., Birkved, M., Gylling, M. & Schjørring, J. K. (2015).
Biorefining in the prevailing energy and material crisis: a review on sustainable pathways for biorefinery value chains and sustainability assessment methodologies.
Renewable & Sustainable Energy Reviews,
43, 244-263.
https://doi.org/10.1016/j.rser.2014.11.041
Ogawa, H.
, Dahl, P. J., Suzuki, T.
, Kai, P. & Takai, H. (2011).
A microbiological-based air cleaning system using a two-step process for removal of ammonia in discharge air from a pig rearing building.
Biosystems Engineering,
109, 108-119.
https://doi.org/10.1016/j.biosystemseng.2011.02.007
Nørgaard, J. V., Hansen, M. J., Assadi Soumeh, E., Adamsen, A. P. S. & Poulsen, H. D. (2014).
Effect of protein level on performance, nitrogen utilisation and carcass composition in finisher pigs.
Acta Agriculturae Scandinavica, Section A - Animal Science,
64(2), 123-129.
https://doi.org/10.1080/09064702.2014.943280
Mulat, D. G., Ward, A. J., Adamsen, A. P. S., Voigt, N. V., Nielsen, J. L.
& Feilberg, A. (2014).
Application of on-line mass spectrometry with stable isotope pairing to study the pathway of methane production from acetate in anaerobic reactor. Poster session presented at Energy and Environment for the future-sustainable energy for a fossil free society and environmental friendly technologies, Copenhagen, Denmark.
Mulat, D. G., Jacobi, H. F.
, Feilberg, A., Adamsen, A. P. S., Richnow, H.-H. & Nikolausz, M. (2014).
Shifts in methanogenic pathways in response to change in substrate feeding pattern studied by stable isotope techniques. In
Conference proceedings: International conference on anaerobic digestion, BiogasScience 2014 (pp. 87-88)
Mortensen, J. R.
, Ward, A. J., Weisbjerg, M. R., Hafner, S. D. & Møller, H. B. (2021).
Determination of nitrogen and sulphur mineralization in batch and semi-continuous anaerobic digestion using an artificial fiber bag technique.
Energies,
14(14), Article 4205.
https://doi.org/10.3390/en14144205
Ma, C., Dalby, F. R., Feilberg, A., Jacobsen, B.
& Petersen, S. O. (2022).
Low-Dose Acidification as a Methane Mitigation Strategy for Manure Management.
Agricultural Science & Technology,
2(3), 437-442.
https://doi.org/10.1021/acsagscitech.2c00034