Adamsen, A. P. S., Sommer, S. G., Feilberg, A. & Nyord, T., (2020).
Forsuring af flydende husdyrgødning og afgasset biomasse ifbm. udbringning, No. 2020-0055171, 7 p., Aug 31, 2020.
Andersen, M. N., Møller, A. B., Greve, M. B., Børgesen, C. D., Adamsen, A. P. S., Hafner, S. D., Dalby, F. R., Lund, P., Hellwing, A. L. F., Børsting, C. F., Weisbjerg, M. R., Nørgaard, J. V., Sattarova, E., Albrektsen, R. & Mikkelsen, M. H. (2023).
Følsomhedsanalyse af inklusion af mere aktivitetsdata i drivhusgasudledningsberegninger på bedriftsniveau. Rådgivningsrapport fra DCA - Nationalt Center for Fødevarer og Jordbrug
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
Petersen, S. O., Olsen, A. B.
, Elsgaard, L., Triolo, J. M.
& Sommer, S. G. (2016).
Estimation of Methane Emissions from Slurry Pits below Pig and Cattle Confinements.
P L o S One,
11(8), Article e0160968.
https://doi.org/10.1371/journal.pone.0160968
Webb, J.
, Sommer, S. G., Kupper, T., Groenestein, K.
, Hutchings, N. J., Eurich-Menden, B., Rodhe, L., Misselbrook, T. H. & Amon, B. (2012).
Emissions of ammonia, nitrous oxide and methane during the management of solid manures.
Sustainable Agriculture Reviews,
8, 67-107.
https://doi.org/10.1007/978-94-007-1905-7_4
Hafner, S. D., Howard, C., Muck, R. E., Franco, R. B., Montes, F., Green, P. G., Mitloehner, F., Trabue, S. L. & Rotz, C. A. (2013).
Emission of volatile organic compounds from silage: Compounds, sources, and implications.
Atmospheric Environment,
77, 827-839.
https://doi.org/10.1016/j.atmosenv.2013.04.076
Hafner, S. D., Windle, M., Merrill, C., Smith, M. L., Franco, R. B. & Kung, L. (2015).
Effects of potassium sorbate and Lactobacillus plantarum MTD1 on production of ethanol and other volatile organic compounds in corn silage.
Animal Feed Science and Technology,
208, 79-85.
https://doi.org/10.1016/j.anifeedsci.2015.07.007
Hu, Y., Thomsen, T. P., Fenton, O.
, Sommer, S. G., Shi, W. & Cui, W. (2023).
Effects of dairy processing sludge and derived biochar on greenhouse gas emissions from Danish and Irish soils.
Environmental Research,
216(Part 2), Article 114543.
https://doi.org/10.1016/j.envres.2022.114543
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
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
Wijesinghe, D. T. N., Dassanayake, K. B., Scales, P. J.
, Sommer, S. G. & Chen, D. (2018).
Effect of Australian zeolite on methane production and ammonium removal during anaerobic digestion of swine manure.
Journal of Environmental Chemical Engineering,
6(1), 1233-1241.
https://doi.org/10.1016/j.jece.2018.01.028
Lemes, Y. M., Nyord, T., Feilberg, A., Hafner, S. D. & Pedersen, J. (2023).
Effect of anaerobic digestion on odor and ammonia emission from land-applied cattle manure.
Journal of Environmental Management,
338, Article 117815.
https://doi.org/10.1016/j.jenvman.2023.117815
Justesen, C. G., Astals, S.
, Mortensen, J. R., Thorsen, R., Koch, K., Weinrich, S., Triolo, J. M.
& Hafner, S. D. (2019).
Development and Validation of a Low-Cost Gas Density Method for Measuring Biochemical Methane Potential (BMP).
Water,
11(12), Article 2431.
https://doi.org/10.3390/w11122431
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
Beltran, I., van der Weerden, T. J., Alfaro, M. A., Amon, B., de Klein, C. A. M., Grace, P.
, Hafner, S., Hassouna, M.
, Hutchings, N., Krol, D. J., Leytem, A. B., Noble, A., Salazar, F., Thorman, R. E. & Velthof, G. L. (2021).
DATAMAN: A global database of nitrous oxide and ammonia emission factors for excreta deposited by livestock and land-applied manure.
Journal of Environmental Quality,
50(2), 513-527.
https://doi.org/10.1002/jeq2.20186
Sommer, S. G., Eriksen, J., Petersen, S. O., Sørensen, P., Hansen, B. & Hansen, M. N. (2000).
Danmark: Husdyrgødning og kompost - næringsstofudnyttelse fra stald til mark i økologisk jordbrug.
Forskningsnytt,
3, 10-13.
Pilar Bernal, M.
, Sommer, S. G., Chadwick, D., Qing, C., Guoxue, L. & Michel Jr., F. C. (2017).
Current Approaches and Future Trends in Compost Quality Criteria for Agronomic, Environmental, and Human Health Benefits.
Advances in Agronomy,
144, 143-233.
https://doi.org/10.1016/bs.agron.2017.03.002
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
Kamp, J. N., Pedersen, J., Huijsmans, J., Götze, H., Pacholski, A. S.
& Hafner, S. D. (2023).
Comparison of methods for measuring ammonia volatilization from field-applied slurry. Abstract from RAMIRAN, Cambridge, United Kingdom.
Croxatto Vega, G. C., ten Hoeve, M., Birkved , M.
, Sommer, S. G. & Bruun, S. (2014).
Choosing co-substrates to supplement biogas production from animal slurry--a life cycle assessment of the environmental consequences.
Bioresource Technology,
171, 410-420.
https://doi.org/10.1016/j.biortech.2014.08.099