Jens Erik Ørum
Senior adviser, Senior Advisor
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Områdebaserede analyser af driftsøkonomi og miljø: konsekvenser af pløjefri dyrkning for afvandingsoplande på Fyn
Abildtrup, J., Nissen, C. J. & Ørum, Jens Erik, 2008, København: Fødevareøkonomisk Institut, Københavns Universitet, 43 p. (IFRO Working Paper; No. 12, Vol. 2008).Research output: Working paper › Research
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Økonomiske analyser af virkemidler til reduktion af næringsstofbelastningen til Ringkøbing Fjord
Abildtrup, J., Ørum, Jens Erik, Jensen, Jørgen Dejgård & Jacobsen, Brian H., 2004, København: Fødevareøkonomisk Institut, Københavns Universitet, 77 p. (FOI Working Paper; No. 4, Vol. 2004).Research output: Working paper › Research
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Comparison of models for leaf blotch disease management in wheat based on historical yield and weather data in the Nordic-Baltic region
Andersson, B., Djurle, A., Ørum, Jens Erik, Jalli, M., Ronis, A., Ficke, A. & Jørgensen, L. N., 2022, In: Agronomy for Sustainable Development. 42, 3, 11 p., 42.Research output: Contribution to journal › Journal article › Research › peer-review
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Udredning om moniterings, varslings- og beslutningsstøttesystemer for skadevoldere i planteproduktionen i landbrug, gartneri og frugtavl
Axelsen, J. A., Munk, Lisa, Sigsgaard, L, Ørum, Jens Erik, Streibig, Jens Carl, Navntoft, S., Christensen, Tove, Pedersen, A. B., Elkjær, K., Korsgaard, Maren, Sørensen, P. B. & Bonefeld-Jørgensen, E. C., 2012, Miljøstyrelsen. 192 p.Research output: Book/Report › Book › Research
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Notat om vurdering af miljø og økonomi for bedrifter i pilotprojektet for ny arealregulering: afprøvning af to modeller til regulering af N-udledning fra landbrugsarealer
Blicher-Mathiesen, G., Rolighed, J. & Ørum, Jens Erik, 13 Jan 2015, Bilag til Pilotprojekt for ny målrettet arealregulering : afprøvning af prototyper for kvælstofreguleringsmodeller. København: Miljøstyrelsen, 77 p.Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Commissioned
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Udvikling af nye risikomodeller for Septoria (Zymoseptoria tritici) i vinterhvede
Bligaard, J., Jørgensen, L. N., Axelsen, J., Hansen, J. G., Ørum, Jens Erik, Baby, S. & Nielsen, G. C. N., 2017, Miljøstyrelsen. 95 p. (BEKF; No. 168).Research output: Book/Report › Report › Research
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Improved water use efficiency with new irrigation systems and strategies in potatoes - a case study from Serbia
Boesen, M. V., Jovanovic, Z., Pedersen, Søren Marcus & Ørum, Jens Erik, 2009, Proceedings of the 17. international farm management congress: agriculture: food, fiber and energy for the future. Guither, H. H., Merry, J. L. & Merry, C. E. (eds.). p. 109-121 13 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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Reduceret tilførsel af mineralsk kvælstofgødning
Børgesen, C. D., Sørensen, P., Blicher-Mathiesen, G., Olesen, J. E., Kudsk, P., Hutchings, N. J., Jacobsen, Brian H. & Ørum, Jens Erik, 2020, Virkemidler til reduktion af kvælstofbelastningen af vandmiljøet. Eriksen, J., Thomsen, I. K., Hoffmann, C. C., Hasler, B. & Jacobsen, B. H. (eds.). DCA - Nationalt Center for Fødevarer og Jordbrug, p. 221-241 21 p. (DCA rapport; No. 174).Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Commissioned › peer-review
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Præcisionssprøjtning – vurdering af driftsøkonomisk og miljømæssigt potentiale
Callesen, G. M., Pedersen, Søren Marcus & Ørum, Jens Erik, 2021, 29 p.. (IFRO Udredning; No. 2021/02).Research output: Memorandum/exposition › Memorandum
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A new Danish concept for hectare-scale groundwater N-retention: Optimization of catch crop application at field and catchment scale
Deichmann, M. M., Hansen, B., Wiborg, I. A., Dalgaard, T., Jacobsen, Brian H. & Ørum, Jens Erik, 2022, Land Use and Water Quality: Agriculture and the Environment: Volume of Abstracts. Fraters, D. & Kovar, K. (eds.). p. 122-123 2 p.Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research
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Konsekvensanalyse af regelmæssig og obligatorisk kontrol af sprøjteudstyr
Dubgaard, Alex, Andersen, K. S., Ørum, Jens Erik, Madsen, C. S. & Jensen, P. K., 2007, Frederiksberg: Center for Skov, Landskab og Planlægning/Københavns Universitet. 33 p.Research output: Book/Report › Book › Communication
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Konsekvensanalyse af den foreslåede zoneinddeling i forbindelse med revision af direktiv 91/414/EØF om plantebeskyttelsesmidler
Dubgaard, Alex, Nissen, C. J., Andersen, K. S., Huusom, H., Ørum, Jens Erik, Esbjerg, Peter, Navntoft, S., Brüsch, W., Rosenberg, P., Bælum, J., Kudsk, P., Jørgensen, L. N. & Paaske, K., 2007, København: Miljøstyrelsen. 308 p. (Miljøprojekt / Miljøministeriet; No. 1169).Research output: Book/Report › Report › Research
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Analyse af omkostningseffektiviteten ved drivhusgasreducerende tiltag i relation til landbruget
Dubgaard, Alex, Laugesen, F. M., Ståhl, L., Bang, J. R., Schou, E., Jacobsen, Brian H., Ørum, Jens Erik & Jensen, Jørgen Dejgård, 2013, Frederiksberg: Institut for Fødevare- og Ressourceøkonomi, Københavns Universitet. 302 p. (IFRO Rapport; No. 221).Research output: Book/Report › Report › Commissioned
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An image-based decision support methodology for weed management
Franco, C., Pedersen, Søren Marcus, Papaharalampos, H. & Ørum, Jens Erik, 2015, Precision agriculture '15: Papers presented at the 10th European Conference on Precision Agriculture. Stafford, J. V. (ed.). The Netherlands: Wageningen Academic Publishers, p. 595-601 7 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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The value of precision for image-based decision support in weed management
Franco de los Ríos, C., Pedersen, Søren Marcus, Papaharalampos, H. & Ørum, Jens Erik, 2017, In: Precision Agriculture. 18, 3, p. 366–382 17 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Comparing compensation mussel production costs and traditional agricultural farmers willingness to pay to reduce nutrient loads in the Limfjord
Frost, Hans Staby, Hasler, B., Hoff, Ayoe, Zandersen, M. & Ørum, Jens Erik, 2014. 21 p.Research output: Contribution to conference › Paper › Research › peer-review
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Vandplanlægning: Økonomisk analysegrundlag for vandområdeplaner
Hansen, L. B., Konrad, M. T. H., Hasler, B., Jacobsen, Brian H. & Ørum, Jens Erik, 2019, Aarhus Universitet, DCE – Nationalt Center for Miljø og Energi. 74 p. (Aarhus Universitet. Nationalt Center for Miljo og Energi. Teknisk Rapport; No. 155).Research output: Book/Report › Report › Research
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Omkostninger ved reduktion af landbrugets næringsstoftab til vandmiljøet: forarbejde til Vandmiljøplan III
Jacobsen, Brian H., Abildtrup, J., Andersen, M., Christensen, Tove, Hasler, B., Hussain, Z. B., Huusom, H., Jensen, Jørgen Dejgård, Schou, J. S. & Ørum, Jens Erik, 2004, København: Fødevareøkonomisk Institut. 299 p. (Rapport / Fødevareøkonomisk Institut; No. 167).Research output: Book/Report › Report › Research
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Økonomisk gevinst ved detaljeret retentionskortlægning
Jacobsen, Brian H. & Ørum, Jens Erik, 2022, In: Vand & Jord. 29, 4, p. 166-168 3 p.Research output: Contribution to journal › Journal article › Communication
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Modelling farm-economic and environmental effects of reduced tillage
Jacobsen, Brian H. & Ørum, Jens Erik, 2007. 2 p.Research output: Contribution to conference › Paper › Research
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Spatial analyses of cost efficient measures to reduce N-leaching
Jacobsen, Brian H., Abildtrup, J. & Ørum, Jens Erik, 2006. 9 p.Research output: Contribution to conference › Paper › Research
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Økonomiske konsekvenser af udmøntning af kvælstofprognosen
Jacobsen, Brian H. & Ørum, Jens Erik, 2012, 3 p.. May 10, 2012. (FOI Udredning; No. 2012/29).Research output: Memorandum/exposition › Memorandum
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Erhvervsøkonomisk analyse af reduktioner af kvælstofnormer i landbruget
Jacobsen, Brian H. & Ørum, Jens Erik, Apr 2016, 13 p.. Feb 22, 2016. (IFRO Udredning; No. 2016/10).Research output: Memorandum/exposition › Memorandum
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Reducing nutrient losses in Europe and implications for farming -: in the light of the Water Framework Directive
Jacobsen, Brian H., Abildtrup, J. & Ørum, Jens Erik, 2005, Paper for the XVth IFMA Congress in Campinas, Brazil. p. 1-11 11 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research
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Organic farming at the farm level: scenarios for the future development
Jacobsen, Brian H., Madsen, N. & Ørum, Jens Erik, 2005, Fødevareøkonomisk Institut. 101 p. (Fødevareøkonomisk Institut - Rapporter; No. 178).Research output: Book/Report › Report › Research
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Farm economic and environmental effects of reduced tillage
Jacobsen, Brian H. & Ørum, Jens Erik, 2009, In: Acta Agriculturæ Scandinavica C - Food Economics. 6, 2, p. 134-142 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Integrated modelling of nitrate loads to coastal waters and land rent applied to catchment scale water management
Jacosen, T., Refsgaard, A., Jacobsen, Brian H., Ørum, Jens Erik & Gertz, F., 2006. 9 p.Research output: Contribution to conference › Paper › Research
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Yield increases due to fungicide control of leaf blotch diseases in wheat and barley as a basis for IPM decision-making in the Nordic-Baltic region
Jalli, M., Kaseva, J., Andersson, B., Ficke, A., Nistrup-Jørgensen, L., Ronis, A., Kaukoranta, T., Ørum, Jens Erik & Djurle, A., 2020, In: European Journal of Plant Pathology. 158, 2, p. 315-333 19 p.Research output: Contribution to journal › Journal article › Research › peer-review
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A short overview of measures for securing water resources for irrigated crop production
Jensen, C. R., Ørum, Jens Erik, Pedersen, Søren Marcus, Andersen, M. N., Plauborg, F., Liu, Fulai & Jacobsen, S., 2014, In: Journal of Agronomy and Crop Science. 200, 5, p. 333-343 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Economic incentives and alternative nitrogen regulation schemes: a spatial sector economic modelling approach
Jensen, Jørgen Dejgård & Ørum, Jens Erik, 2014, Agricultural cooperative management and policy: new robust, reliable and coherent modelling tools. Zopounidis, C., Kalogeras, N., Mattas, K., van Dijk, G. & Baourakis, G. (eds.). Springer Science+Business Media, p. 267-280 14 p. (Comparative Management, Vol. 2014).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
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Links between pesticide use pattern and crop production in Denmark with special reference to winter wheat
Jorgensen, L. N., Kudsk, P. & Ørum, Jens Erik, 2019, In: Crop Protection. 119, p. 147-157 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Decision support systems: barriers and farmers' need for support
Jørgensen, L. N., Noe, E., Langvad, A. M., Jensen, J. E., Ørum, Jens Erik & Rydahl, P., 2007, In: OEPP/EPPO Bulletin. 37, 2, p. 374-377Research output: Contribution to journal › Journal article › Research
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A model for fungicide applications in winter wheat
Jørgensen, L. N., Ørum, Jens Erik & Pinnschmidt, H., 2006. 1 p.Research output: Contribution to conference › Conference abstract for conference › Research
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Growers aatitudes to crop protection issues
Jørgensen, L. N., Jensen, J. E., Jensen, J. E., Noe, E., Ørum, Jens Erik & Rydahl, P., 2009.Research output: Contribution to conference › Paper › Research › peer-review
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Ranking of fungicides according to risk assessments for health and environment
Jørgensen, L. N. & Ørum, Jens Erik, 2014, Modern Fungicides and Antifungal Compounds VII: Proceedings of the 17th International Reinhardsbrunn Symposium. Dehne, H. W., Deising, H. B., Fraaije, B., Gisi, U., Hermann, D., Mehl, A., Oerke, E. C., Russell, P. E., Stammler, G., Kuck, K. H. & Lyr, H. (eds.). DPG Verlag, p. 239-244 6 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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Integrating disease control in winter wheat - optimizing fungicide input
Jørgensen, L. N., Ørum, Jens Erik, Pinnschmidt, H. & Nielsen, G. C., 2008, Modern fungicides and antifungal compounds V. Dehne, H. W., Deising, H. B., Gisi, U., Kuck, K. H., Russel, P. E. & Lyr, H. (eds.). Deutsche Phytomedizinischen Gesellschaft (DPG), p. 197-209 13 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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Problems with disseminating information on disease control in wheat and barley to farmers
Jørgensen, L. N., Noe, E., Nielsen, G. C., Jensen, J. E., Ørum, Jens Erik & Pinnschmidt, H., 2008, In: European Journal of Plant Pathology. 121, 3, p. 303-312 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Integrating disease control in winter wheat - optimizing fungicide input
Jørgensen, L. N., Nielsen, G. C., Ørum, Jens Erik, Jensen, J. E. & Pinnschmidt, H., 2008, In: Outlooks on Pest Management (Print Edition). 19, 5, p. 209-213 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Reduced fungicide dose in cereals: which parameters to consider?
Jørgensen, L. N. & Ørum, Jens Erik, 2017, Pesticide Dose: Effects on the Environment and Target and Non-Target Organisms. Duke, S. O., Kudsk, P. & Solomon, K. (eds.). American Chemical Society, p. 73–82 10 p. (A C S Symposium Series, Vol. 1249).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
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Weather risk models for prediction of septoria tritici blotch
Jørgensen, L. N., Hansen, J. G., Ørum, Jens Erik, Jalli, M., Ronis, A., Djule, A., Anderson, B., Skog, T. E., Ficke, A. & Nordskog, B., 2018.Research output: Contribution to conference › Poster › Research
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Vurdering af planteværn onlines økonomiske og miljømæssige effekt
Jørgensen, L. N., Noe, E., Langvad, A., Rydahl, P., Jensen, J. E., Ørum, Jens Erik, Pinnschmidt, H. & Bøjer, O. Q., 2007, København: Miljøstyrelsen. 246 p. (Bekæmpelsesmiddelforskning fra Miljøstyrelsen; No. 115).Research output: Book/Report › Report › Research
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Growers' attitudes to crop protection issues
Jørgensen, L. N., Jensen, J. E., Noe, E., Ørum, Jens Erik & Rydahl, P., 2008, Proceedings Crop Protection in Northern Britain 2008. Crop Protection in Northern Britain, 8 p. (Crop protection in Northern Britain; No. 2008).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research
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Prediction of Zymoseptoria tritici based historical weather data
Jørgensen, L. N., Ørum, Jens Erik, Cordsen Nielsen, G., Bligaard, J. & Hansen, J. G., 2014, 11th Conference of the European Foundation for Plant Pathology: Healthy plants - healthy people. p. 86 1 p.Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research
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Planteværn Online - et værktøj til at reducere pesticidforbruget i landbruget
Jørgensen, L. N., Noe, E., Langvad, A., Rydahl, P., Jensen, J. E., Ørum, Jens Erik, Pinnschmidt, H. & Bøjer, O. Q., 2007, In: Bekaempelsesmiddelforskning fra Miljoestyrelsen. 115, 6 p.Research output: Contribution to journal › Journal article › Research
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Bekæmpelsesmiddelstatistik 2011: behandlingshyppighed og belastning
Kjølholt, J. (ed.), Ørum, Jens Erik (ed.), Bøje, C. (ed.) & Samsøe-Petersen, L. (ed.), 2012, København: Miljøstyrelsen. 66 p. (Orientering fra Miljøstyrelsen; No. 5, Vol. 2012).Research output: Book/Report › Report › Research
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Pesticidafgift beregnes ikke ud fra skadeeffekt
Kudsk, P. & Ørum, Jens Erik, 2012, In: Agrologisk. 9, p. 12-13 2 p.Research output: Contribution to journal › Journal article › Communication
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Pesticide load - A new Danish pesticide risk indicator with multiple applications
Kudsk, P., Jørgensen, L. N. & Ørum, Jens Erik, 2018, In: Land Use Policy. 70, p. 384-393 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The ¤economics of pesticides in Danish agriculture
Kærgård, Niels, Frandsen, S. E., Jørgensen, A. W., Ørum, Jens Erik, Jacobsen, L. & Dubgaard, Alex, 2001. 14 p.Research output: Contribution to conference › Paper › Research
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Institutional barriers for producing quinoa in Morcocco - a description of supply chain and markets
Lind, K. M. H., Pedersen, Søren Marcus, Benlhabib, O. & Ørum, Jens Erik, 2013, Proceeding: Sustainable water use for securing food production in the Mediterranean region under chainging climate: SWUP-MED project final conference. Agadir Morocco, p. 677-689 13 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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Effektivitetsanalyser for landbrugsbedriften: beskrivelse af sammenligningstal
Lund, M. & Ørum, Jens Erik, 1996, Statens Jordbrugs- og Fiskeriøkonomiske Institut. 99 p. (Rapport / Statens Jordbrugs- og Fiskeriøkonomiske Institut; No. 88).Research output: Book/Report › Report › Research
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Konsekvensanalyse af den foreslåede zoneinddeling i forbindelse med revision af direktiv 91/414/EØF om plantebeskyttelsesmidler
Research output: Book/Report › Report › Research
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Effects of mechanical weed control in spring cereals - flora, fauna and economy
Research output: Book/Report › Report › Research
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Miljøbelastning for godkendte pesticider juni-august 2012
Research output: Book/Report › Report › Research
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