Chen, M., Ran, H.
, Sommer, S. G., Liu, Y., Wang, G. & Zhu, K. (2024).
The spatiotemporal heterogeneity of fertosphere hotspots impacted by biochar addition and the implications for NH3 and N2O emissions.
Chemosphere,
355, Artikel 141769.
https://doi.org/10.1016/j.chemosphere.2024.141769
Hu, Y., Taghizadeh-Toosi, A., Kagendra, K. R. .
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Hydrochar from dairy sludge as phosphorus fertiliser affects greenhouse gas emissions and maize yield.
Acta Agriculturae Scandinavica, Section B - Soil & Plant Science,
74(1), Artikel 2310276.
https://doi.org/10.1080/09064710.2024.2310276
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
Andersson, K., Delin, S.
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Ammonia emissions from untreated, separated and digested cattle slurry - Effects of slurry type and application strategy on a Swedish clay soil.
Biosystems Engineering,
226, 194-208.
https://doi.org/10.1016/j.biosystemseng.2023.01.012
Dalby, F. R., Adamsen, A. P. S., Lashkari, S., Hafner, S. D., Kai, P. & Børsting, C. F. (2023).
A farm-scale model for predicting carbon and nitrogen emission and optimizing local farm management. Abstract fra Agri Food and Climate Circle 2023, København, Danmark.
Dalby, F. R., Hansen, M. J., Guldberg, L. B., Hafner, S. D. & Feilberg, A. (2023).
Simple Management Changes Drastically Reduce Pig House Methane Emission in Combined Experimental and Modeling Study.
Environmental Science and Technology,
57(9), 3990-4002.
https://doi.org/10.1021/acs.est.2c08891
Hafner, S. D., Hutchings, N., Fuss, R., Häni, C.
, Kamp, J. N., Mathivanan, G. P., Pacholski, A. S.
, Pedersen, J., Petersen, V.
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Progress in estimation of ammonia loss from field-applied slurry: ALFAM2 model developments. Abstract fra RAMIRAN, Cambridge, Storbritannien.
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,
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https://doi.org/10.1016/j.envres.2022.114543
Kamp, J. N., Pedersen, J., Huijsmans, J., Götze, H., Pacholski, A. S.
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Comparison of methods for measuring ammonia volatilization from field-applied slurry. Abstract fra RAMIRAN, Cambridge, Storbritannien.
Kamp, J. N., Pedersen, J., Huijsmans, J., Götze, H., Pacholski, A.
& Hafner, S. D. (2023).
Measurement methods for ammonia emissions after field application of slurry. Abstract fra EGU General Assembly 2023, Vienna, Østrig.
https://doi.org/10.5194/egusphere-egu23-12920
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,
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https://doi.org/10.1016/j.jenvman.2023.117815
Merl, T., Hu, Y., Pedersen, J., Zieger, S. E., Bornø, M. L., Tariq, A.
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Optical chemical sensors for soil analysis: possibilities and challenges of visualising NH3 concentrations as well as pH and O2 microscale heterogeneity.
Environmental Science: Advances,
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https://doi.org/10.1039/d3va00127j
Pedersen, J., Romio, C., Labouriau, R., Pacholski, A. S.
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Mitigating ammonia emission from slurry digestate applied to winter wheat crops: effect of digestate composition, digestate treatment, and application technique. Abstract fra RAMIRAN, Cambridge, Storbritannien.
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 fra EGU General Assembly 2023, Vienna, Østrig.
https://doi.org/10.5194/egusphere-egu23-12677
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 fra EGU General Assembly 2023, Vienna, Østrig.
https://doi.org/10.5194/egusphere-egu23-12913
Dalby, F. R., Hafner, S. D., Petersen, S. O., Hansen, M. J., Adamsen, A. P. S. & Feilberg, A. (2022).
The Anaerobic Biodegradation Model (ABM): A flexible tool for predicting methane emission from livestock manure. Poster session præsenteret på Zero Greenhouse Emission in High Productive Agriculture, Hellerup, Danmark.
Dalby, F. R., Hafner, S. D., Petersen, S. O., Hansen, M. J., Adamsen, A. P. S. & Feilberg, A. (2022).
The Anaerobic Biodegradation Model (ABM): A flexible tool for predicting methane emission from livestock manure. Abstract fra 8th International Greenhouse Gas & Animal Agriculture Conference, Orlando, USA.
Hafner, S. D., Astals, S., Holliger, C., Koch, K., Nielsen, L., Refsahl, L. & Weinrich, S. (2022).
Assessing the value of kinetic results from biochemical methane potential tests: Reproducibility from a large inter-laboratory study.
Cleaner Chemical Engineering,
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https://doi.org/10.1016/j.clce.2022.100065
Møller, H. B., Sørensen, P., Olesen, J. E., Petersen, S. O., Nyord, T. & Sommer, S. G. (2022).
Agricultural Biogas Production—Climate and Environmental Impacts.
Sustainability (Switzerland),
14(3), Artikel 1849.
https://doi.org/10.3390/su14031849
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
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
Dalby, F. R., Hafner, S. D., Petersen, S. O., Vanderzaag, A., Habtewold, J., Dunfield, K., Chantigny, M. H.
& Sommer, S. G. (2021).
A mechanistic model of methane emission from animal slurry with a focus on microbial groups.
PLOS ONE,
16(6), Artikel 0252881.
https://doi.org/10.1371/journal.pone.0252881
Dalby, F. R., Hafner, S. D., Petersen, S. O., VanderZaag, A. C., Habtewold, J., Dunfield, K., Chantigny, M. H.
& Sommer, S. G. (2021).
Understanding methane emission from stored animal manure: A review to guide model development.
Journal of Environmental Quality,
50(4), 817-835.
https://doi.org/10.1002/jeq2.20252
Holliger, C., Astals, S., de Laclos, H. F.
, Hafner, S. D., Koch, K. & Weinrich, S. (2021).
Towards a standardization of biomethane potential tests: A commentary.
Water Science and Technology,
83(1), 247-250.
https://doi.org/10.2166/wst.2020.569
Hu, Y., Khomenko, O., Shi, W., Velasco-Sánchez, Á., Ashekuzzaman, S. M., Bennegadi-Laurent, N., Daly, K., Fenton, O., Healy, M., Leahy, J. J.
, Sørensen, P., Sommer, S. G., Taghizadeh-Toosi, A. & Trinsoutrot-Gattin, I. (2021).
Systematic Review of Dairy Processing Sludge and Secondary STRUBIAS Products Used in Agriculture.
Frontiers in Sustainable Food Systems,
5, Artikel 763020.
https://doi.org/10.3389/fsufs.2021.763020
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), Artikel 4205.
https://doi.org/10.3390/en14144205
Nyord, T., Hafner, S. D., Adamsen, A. P. S. & Sommer, S. G., (2021).
Ammoniakfordampning fra forsuret gylle ved udbringning med slæbeslange, Nr. 2020-0188079, 18 s., feb. 15, 2021.
Olesen, J. E., Møller, H. B., Petersen, S. O., Sørensen, P., Nyord, T. & Sommer, S. G. (2021).
Sustainable biogas - climate and environmental effects of biogas production. DCA - Nationalt Center for Fødevarer og Jordbrug. DCA rapport Nr. 181
https://dcapub.au.dk/djfpublikation/index.asp?action=show&id=1463
Pedersen, J. M., Andersson, K.
, Feilberg, A., Delin, S.
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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
Sommer, S. G., Petersen, S. O., Winding, A., Olesen, J. E., Lund, P. & Munkholm, L. J. (2021, nov.).
Teknologier til et klimaneutralt landbrug. JA Aktuelt.
https://www.jaaktuelt.dk/artikler/2021/teknologier-til-et-klimaneutralt-landbrug/
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), Artikel 1053.
https://doi.org/10.3390/agriculture11111053
Adamsen, A. P. S., Sommer, S. G., Feilberg, A. & Nyord, T., (2020).
Forsuring af flydende husdyrgødning og afgasset biomasse ifbm. udbringning, Nr. 2020-0055171, 7 s., aug. 31, 2020.