Sommer, S. G., Dalsgaard, A., Roepstorf, A., Jensen, L. S., Luxhøj, J., Tran, T. S., Tran, M. T. T. H., Dang, T. T. S., Vu, C. C. & Vu, T. K. V. (2008).
Livestock production and manure management on animal farms in Vietnam. I J. Moran (red.),
Business Management: For Tropical Dairy Farmers Landlinks Press.
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.
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/
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
Sheppard, S. C., Bittman, S., Tait, J.
, Sommer, S. G. & Webb, J. (2007).
Sensitivity analysis of alternative model structures for an indicator of ammonia emissions from agriculture.
Canadian Journal of Soil Science,
87(2), 129-139.
http://rpas.web-p.cisti.nrc.ca/RPAS/RPViewDoc?_handler_=HandleInitialGet&journal=cjss&volume=87&articleFile=S06-062.pdf
Rüdiger, M., Karnøe, P.
, Sommer, S. G. & Overgaard, K. (2012).
Fra fossilt brændsel til vedvarende energi. I K. Overgaard, S. Gjedde Sommer, K. B. Christensen, D. L. Damkjær, L. K. Glenstrup, S. Hohn, M. J. Larsen & M. Machholm (red.),
BIOTEK 2: Bioenergi, Lægemidler, Fødevareingredienser, Drikkevand. (s. 6-45). L&R Uddannelse.
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
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
Petersen, S. O., Sommer, S. G., Béline, F., Burton, C., Dach, J., Dourmad, J. Y., Leip, A., Misselbrook, T., Nicholson, F.
, Poulsen, H. D., Provolo, G.
, Sørensen, P., Vinnerås, B., Weiske, A., Bernal, M.-P., Böhm, R., Juhász, C. & Mihelic, R. (2007).
Recycling of livestock manure in a whole-farm perspective.
Livestock Science,
112, 180-191.
https://doi.org/10.1016/j.livsci.2007.09.001
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
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), Artikel e0160968.
https://doi.org/10.1371/journal.pone.0160968