Institut for Bio- og Kemiteknologi

Aarhus Universitets segl

Publications

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Asman, W. A. H., Cellier, P., Génermont, S., Hutchings, N. & Sommer, S. G. (1998). Ammonia emission research: From emission factors to process description. EUROTRAC Newsletter, 20, 1-10.
Hutchings, N. & Sommer, S. G. (1998). Ammonia Emission Research: from Emission Factors to Process Descriptions. EUROTRAC Newsletter, (20), 2-10.
Petersen, S. O., Sommer, S. G., Aaes, O. & Søegaard, K. (1998). Ammonia losses from urine and dung of grazing cattle: Effects of N intake. Atmospheric Environment, 32, 295-300.
Petersen, S. O., Lind, A.-M. & Sommer, S. G. (1998). Nitrogen and organic matter losses during storage of cattle and pig manure. Journal of Agricultural Science, 130, 69-79.
Sommer, S. G. (1998). Ammoniakfordampning i Danmark - 1988 til 1995. Vand og Jord, 4, 144-147.
Sommer, S. G., Dahl, P. J., Rom, H. B. & Møller, H. B. (1998). Emission of ammonia, nitrous oxide, methane and carbondioxide during composting of deep litter. I Proc. RAMIRAN'98, 8th int. conf. on management strategies for organic waste use in agriculture (s. 8-8)
Sommer, S. G., Rom, H. B., Støckler, M. & Ladefoged, H. A. (1998). Kultursammenstød mellem svin og mennesker. Vaekst, 2, 31-34.
Sommer, S. G. & Birkmose, T. (1998). Pas på svidning med gylle. Landsbladet Mark, 3, 16-19.
Sommer, S. G. & Møller, H. B. (1998). Recycling of organic solids in Denmark and the related legislation.
Sommer, S. G. & Møller, H. B. (1998). Recycling of organic solids in Denmark and the related legislation. I Workshop: Recycling organic solids in agriculture. ROSA, Report of first meeting, Uppsala, Sweden (s. 48-52)
Asman, W. A., Nielsen, H., Langberg, H., Sommer, S. G., Pedersen, S., Kjær, H. & Knudsen, L. (1997). Diurnal and seasonal variation in the NH3 emission rate.
Birkmose, T. & Sommer, S. G. (1997). Gødskning med afgasset gylle giver fordele. Landsbladet Mark, (4), 12-14.
Hutchings, N., Asman, W. A. H. & Sommer, S. G. (1997). An Integrated Model of Ammonia Emission and Deposition. I J. A. M. Voermans & G. J. Monteny (red.), Proceedings of the International Symposium "Ammonia and Odour Control from Animal Production Facilities" (s. 69-75)
Khan, R. Z., Müller, C. & Sommer, S. G. (1997). Micrometeorological mass balance technique for measuring CH4 emission from stored cattle slurry. Biology and Fertility of Soils, 24(4), 442-444. https://doi.org/10.1007/s003740050270
Khan, R. Z., Müeller, C. & Sommer, S. G. (1997). Micrometeorological mass balance technique for measuring CH4 emission from stores cattle slurry. Nutrient Cycling in Agroecosystems, 24, 442-444.
Knudsen, L., Kyllingsbæk, A., Rom, H. B., Sommer, S. G., Pedersen, P. & Kromann, H. (1997). Teknik, ab stald og lager: Normtal for husdyrgødning. I H. Damgaard & V. F. Kristensen (red.), En revurdering af danske normtal for husdyrgødningens indhold af kvælstof, fosfor og kalium (s. 43-56)
Sommer, S. G. (1997). Ammonia volatilization from farm tanks containing anaerobically digested animal slurry. Atmospheric Environment, 31, 863-868.
Sommer, S. G., Friis, E., Bach, A. & Schjønning, J. K. (1997). Ammonia volatilization from pig slurry applied with trail hoses or broadspread to winter wheat: effect of crop developmental stae, micoclimate, and leaf ammonia absortion. Journal of Environmental Quality, 26, 1153-1160.
Sommer, S. G., Friis, E., Bach, A. & Schjørring, J. K. (1997). Ammonia volatilization from pig slurry applied with trail hoses or broadspread to winter wheat: Effects of crop developmental stage, microclimate and leaf ammonia absorption. Journal of Environmental Quality, 26(4), 1153-1160. https://doi.org/10.2134/jeg1997.00472425002600040030x
Sommer, S. G., Bromand, B., Christensen, B. T., Jakobsen, J., Petersen, S. O., Sørensen, P. & Thomsen, I. K. (1997). Bæredygtigt landbrug, Oversigtsrapport over resultater fra forskningsprogrammet: Bæredygtigt Landbrug - reduktion af gødnings- og pesticidforbruget. Ministeriet for Fødevarer, Landbrug og Fiskeri, Strukturdirektoratet, København.
Sommer, S. G. (1997). Begrænsning af ammoniakfordampning ved udbringning af gylle. Effektivt Landbrug, 14, 55-58.
Sommer, S. G. & Hutchings, N. (1997). Components of ammonia volatilization from agriculture with grazing livestock. I Gaseous nitrogen emissions from grasslands (Jarvis, S.C. & Pain, B.F. (Eds.)) CAB International, Wallingford, UK (s. 79-95)
Sommer, S. G., Thomsen, I. K., Henriksen, K. & Olesen, T. (1997). Dybstrøelse fra stald til mark. Forskningsnytt om Oekologisk Landbruk i Norden, 10, 8-10.
Sommer, S. G. & Knudsen, L. (1997). Husdyrgødning er mere end kvælstof. Jord og Viden, (23), 10-13.
Sommer, S. G., Hutchings, N., Kyllingsbæk, A. & Thomsen, I. K. (1997). Nitrogen management on Danish livestock farms and the related legislation. I Ingenieries : EAU Agriculture Territoires, Special Issue 1996 (s. 23-30)
Hutchings, N., Sommer, S. G. & Jarvis, S. C. (1996). A model of ammonia volatilization from a grazing livestock farm. Atmospheric Environment, 30, 589-599.
Petersen, S. O., Sommer, S. G. & Lind, A. M. (1996). Kvælstoftab fra gødningslagre: Reportering af delprojektet BÆR-SP4.
Rubæk, G. H., Henriksen, K., Petersen, J., Rasmussen, B. & Sommer, S. G. (1996). Effects of application technique and anaerobic digestion on gaseous nitrogen loss from animal slurry applied to ryegrass (Lolium perenne). Journal of Agricultural Science, 126, 481-492.
Sommer, S. G. (1996). Ammonia volatilization from farm tanks containing anaerobically digested animal slurry. Atmospheric Environment, 31, 863-868.
Sommer, S. G., Sibbesen, E., Nielsen, T., Schjørring, J. K. & Olesen, J. E. (1996). A passive flux sampler for measuring ammonia volatilization from manure storage facilities. Journal of Environmental Quality, 25, 241-247.
Sommer, S. G. & Hutchings, N. (1996). Betydning af fodrings- og gødskningspraksis for ammoniakemission.
Sommer, S. G. & Hutchings, N. (1996). Betydning af fordrings- og gødningspraksis for ammoniak emission. I Ammoniak og naturforvaltning" DMU workshop, Silkeborg. Rapport, 161 (s. 13-20)
Sommer, S. G. & Hutchings, N. (1996). Components of Ammonia Volatilization from Cattle and Sheep Production. I S. C. Jarvis & B. F. Pain (red.), Gaseous Nitrogen Emissions from Grassland (s. 79-93)
Sommer, S. G. & Ersbøll, A. K. (1996). Effect of air flow rate, lime amendments and chemical soil properties on the volatilization of ammonia from fertilizers applied to sandy soils. Biology and Fertility of Soils, 21, 53-60.
Sommer, S. G. & Ersbøll, A. K. (1996). Effect of air flow rate, lime amendments and chemical soil properties on the volatilization of ammonia from fertilizers applied to sandy soils. Biology and Fertility of Soils, 21(1-2), 53-60. https://doi.org/10.1007/BF00335993
Sommer, S. G., Hutchings, N., Kyllingsbæk, A. & Thomsen, I. (1996). Historical trends in N circulation on Danish livestock farms and the related legislation. Ingénieries: Eau-Agriculture-Territoires, Special Issue, 23-30.
Sommer, S. G., Sherlock, R. R. & Khan, R. Z. (1996). Nitrous oxide and methane emissions from pig slurry amended soils. Soil Biology & Biochemistry, (10/11), 1541-1544.
Sommer, S. G. & Sherlock, R. R. (1996). pH and buffer component dynamics in the surface layers of animal slurries. Journal of Agricultural Science, 127, 109-116.
Eriksen, J. & Sommer, S. G. (1995). Chemical composition of organic and inorganic compounds in animal manure. I Proceedings from 20th NJF Congress Reykjavik (s. 65-65)
Hutchings, N., Sommer, S. G. & Jarvis, S. C. (1995). A model of ammonia volatilization from a grazing livestock farm. Poster-session præsenteret på A model of ammonia volatilization from a grazing livestock farm, Culham, Oxford, Storbritannien.
Petersen, S. O., Sommer, S. G. & Aaes, O. (1995). Amonia losses from dairy and urine of grazing cattle: Effect of intake. I Atmospheric Ammonia Emission, Seposition and Environmental Impacts, Abstracts
Sommer, S. G. (1995). Ammoniakfordampning fra lagret kvæg- og svinegylle. Grøn viden - Landbrug, 135, 1-6.
Sommer, S. G. & Husted, S. (1995). A simple model of pH in slurry. Journal of Agricultural Science, 124, 447-453.
Sommer, S. G. & Husted, S. (1995). Chemical composition of the buffer system in livestock and biogas plant digested slurry. Journal of Agricultural Science, 124, 45-53.
Sommer, S. G., Mikkelsen, H. E. & Mellqvist, J. (1995). Evaluation of meteorological techniques for measurements of ammonia loss from pig slurry. Agricultural and Forest Meteorology, 74, 169-179.
Sommer, S. G. (1995). Reduktion i ammoniakfordampning fra lagret afgasset gylle ved overdækning med lecasten eller flydelag.
Sommer, S. G. & Hutchings, N. (1995). Techniques and strategies for the reduction of ammonia emission from agriculture. Water, Air and Soil Pollution, 85, 237-248.
Sommer, S. G. & Husted, S. (1995). The chemical buffer system in raw and digested animal slurry. The Journal of Agricultural Science, 124(1), 45-53. https://doi.org/10.1017/S0021859600071239
Hutchings, N., Sommer, S. G. & Jarvis, S. C. (1994). Modelling the ammonia emissions of a grazing livestock farm. I H. Apsimon (red.), The potential for abatement of ammonia emissions from agriculture and associated costs
Sommer, S. G. (1994). Ammoniakfordampning fra lagret kvæg- og svinegylle. Grøn viden - Landbrug, 135, 1-6.

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Revideret 18.03.2026
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Sasha D. Hafner