Jens Erik Ørum

Jens Erik Ørum

Senior adviser, Senior Advisor

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    ORCID: 0000-0003-2690-7586

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    1. Published

      A model for fungicide applications in winter wheat

      Ørum, Jens Erik, Pinnschmidt, H. & Jørgensen, L. N., 2006, Ikke angivet. Landbrugsforlaget, p. 490-492 3 p.

      Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

    2. Published

      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

    3. Published

      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

    4. Published

      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

    5. Published

      An R package to calculate potential environmental and human health risks from pesticide applications using the ‘Pesticide Load’ indicator applied in Denmark

      Möhring, N., Kudsk, P., Jørgensen, L. N., Ørum, Jens Erik & Finger, R., Dec 2021, In: Computers and Electronics in Agriculture. 191, 106498.

      Research output: Contribution to journal › Journal article › Research › peer-review

    6. Published

      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

    7. Published

      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

    8. Published

      Analyse af provenu- og fordelingsaspekter ved differentierede værdiafgifter for pesticider: notat udarbejdet for Miljøstyrelsen

      Ørum, Jens Erik, 2007, Fødevareøkonomisk Institut. 25 p. (FOI Udredning).

      Research output: Book/Report › Report › Research

    9. Published

      Analyser til brug for evaluering af pesticidafgiften: En beskrivelse af ændringer i pesticidernes priser, salg, forbrug og belastning

      Ørum, Jens Erik, Ståhl, L., Kudsk, P. & Jørgensen, L. N., 2018, 74 p.. (IFRO Udredning; No. 2018/01).

      Research output: Memorandum/exposition › Memorandum

    10. Published

      Are independent agricultural advisors more oriented towards recommending reduced pesticide use than supplier-affiliated advisors?

      Pedersen, A. B., Nielsen, H. Ø., Christensen, Tove, Ørum, Jens Erik & Martinsen, L., 2019, In: Journal of Environmental Management. 242, p. 507-514 8 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    11. Published

      Behandlingshyppighed og pesticidbelastning 2007-2014: supplerende bilag til bekæmpelsesmiddelstatistik 2014

      Ørum, Jens Erik, Feb 2016, Institut for Fødevare- og Ressourceøkonomi, Københavns Universitet, 14 p. (IFRO Dokumentation; No. 2016/1).

      Research output: Working paper › Research

    12. Published

      Behandlingshyppighed og pesticidbelastning for solgte pesticider 2007-2015

      Ørum, Jens Erik, Kudsk, P., Jørgensen, L. N. & Paaske, K., 2017, Institut for Fødevare- og Ressourceøkonomi, Københavns Universitet, 25 p. (IFRO Dokumentation; No. 2017/1).

      Research output: Working paper › Commissioned

    13. Published

      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

    14. Published

      Bekæmpelsesmiddelstatistik 2012: Behandlingshyppighed og pesticidbelastning, baseret på salgsstatistik og sprøjtejournaldata

      Ørum, Jens Erik (ed.) & Samsøe-Petersen, L. (ed.), 2013, København: Miljøstyrelsen. 114 p. (Orientering fra Miljoestyrelsen; No. 4, 2013).

      Research output: Book/Report › Report › Research

    15. Published

      Bekæmpelsesmiddelstatistik 2013: behandlingshyppighed og pesticidbelastning, baseret på salgsstatistik og sprøjtejournaldata

      Ørum, Jens Erik (ed.) & Samsøe Petersen, L. (ed.), 2014, Miljøstyrelsen. 98 p. (Orientering fra Miljoestyrelsen; No. 6, 2014).

      Research output: Book/Report › Report › Research › peer-review

    16. Published

      Bekæmpelsesmiddelstatistik 2014

      Ørum, Jens Erik (ed.) & Hossy, H. (ed.), 2015, København: Miljøstyrelsen. 92 p. (Orientering fra Miljoestyrelsen; No. 13, 2015).

      Research output: Book/Report › Report › Research

    17. Published

      Bekæmpelsesmiddelstatistik 2015: Behandlingshyppighed og pesticidbelastning, baseret på salgsstatistik og sprøjtejournaldata

      Ørum, Jens Erik & Holtze, M. S., 2017, Miljøstyrelsen. 84 p. (Orientering fra Miljoestyrelsen; No. 17).

      Research output: Book/Report › Report › Research

    18. Published

      Bekæmpelsesmiddelstatistik 2016: Behandlingshyppighed og pesticidbelastning baseret på salg og forbrug

      Ørum, Jens Erik (ed.) & Holtze, M. S. (ed.), 2017, Miljøstyrelsen. 87 p. (Orientering fra Miljoestyrelsen; No. 22).

      Research output: Book/Report › Report › Research

    19. Published

      Beregning af grundlaget for en støttesats for målrettet kvælstofregulering 2024

      Ørum, Jens Erik & Thomsen, I. K., 2023, Institut for Fødevare- og Ressourceøkonomi, Københavns Universitet. 14 p. (IFRO Udredning; No. 2023/31).

      Research output: Book/Report › Report › Commissioned

    20. Published

      Beregning af meromkostninger ved anvendelse af nyttedyr ved væksthusproduktion af agurker og tomater

      Ørum, Jens Erik & Jacobsen, L. B., 2012, 54 p.. Sep 23, 2012. (FOI Udredning; No. 2012/31).

      Research output: Memorandum/exposition › Memorandum

    21. Published

      Beregning af mulige støttesatser for målrettet regulering II: Arbejdsnotat med supplerende analyser og modeljusteringer

      Ørum, Jens Erik, Jacobsen, Brian H. & Thomsen, I. K., 2021, 13 p.. (IFRO Udredning; No. 2020/28).

      Research output: Memorandum/exposition › Memorandum

    22. Published

      Beregning af støttesats for målrettet regulering III: Arbejdsnotat om indsats fordelt på efterafgrødegrundareal eller landbrugsareal

      Ørum, Jens Erik, Jacobsen, Brian H. & Thomsen, I. K., 2021, 13 p.. (IFRO Udredning; No. 2020/29).

      Research output: Memorandum/exposition › Memorandum

    23. Published

      Beregning af støttesats til målrettet regulering 2021

      Ørum, Jens Erik, Jacobsen, Brian H. & Thomsen, I. K., 2018, 10 p.. (IFRO Udredning; No. 2018/19).

      Research output: Memorandum/exposition › Memorandum

    24. Published

      Beskrivelse af det miljøøkonomiske modelapparat anvendt af IFRO til udredning af differentieret arealregulering for NAER i 2014

      Ørum, Jens Erik, 2015, Frederiksberg: Institut for Fødevare- og Ressourceøkonomi, Københavns Universitet, 29 p. (IFRO Dokumentation; No. 2015/2).

      Research output: Working paper › Commissioned

    25. Published

      Bilag 4. Kombineret effekt af dræn- og fladevirkemidler: en generel ligning til beregning af effekten af kombinerede kvælstofvirkemidler

      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. 446-451 6 p. (DCA rapport; No. 174).

      Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Commissioned › peer-review

    26. Published

      Biological control in outdoor crops - drivers and barriers

      Sigsgaard, L, Eilenberg, Jørgen & Ørum, Jens Erik, 2011, In: IOBC/wprs Bulletin. 66, p. 7-10 4 p.

      Research output: Contribution to journal › Conference article › Research

    27. Published

      Biologisk bekæmpelse i kernefrugt: hvilke alternativer til syntetiske pesticider anvendes der i de danske kernefrugtplantager?

      Ørum, Jens Erik & Jacobsen, L. B., 2013, 16 p.. No. 030-0017/12-0720, Mar 27, 2013. (IFRO Udredning; No. 2013/18).

      Research output: Memorandum/exposition › Memorandum

    28. Published

      Biologisk ukrudtsbekæmpelse i kornafgrøder med forøget rumlig uniformitet og høj afgrødetæthed

      Olsen, J. M., Griepentrog, H. W., Pedersen, Søren Marcus, Ørum, Jens Erik & Weiner, Jacob, 2011, Miljøstyrelsen. 178 p. (Bekæmpelsesmiddelforskning fra Miljøstyrelsen; No. 129).

      Research output: Book/Report › Report › Research

    29. Published

      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

    30. Published

      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

    31. Published

      CoolCrop: Sustainable plant production systems to mitigate global warming

      Munkholm, L. J., Petersen, B. M., Hansen, E. M., Petersen, S. O., Lægdsmand, M., Olesen, J. E., Ørum, Jens Erik & Mutegi, J. K., 2008.

      Research output: Contribution to conference › Poster › Research

    32. Published

      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. 374-377

      Research output: Contribution to journal › Journal article › Research

    33. Published

      Driftsøkonomisk analyse af reduceret pesticidanvendelse i dansk landbrug: En opdatering af Bicheludvalgets analyser

      Ørum, Jens Erik, 2003, Fødevareøkonomisk Institut. 147 p. (FOI Rapport; No. 163).

      Research output: Book/Report › Report › Research

    34. Published

      Driftsøkonomiske konsekvenser af en pesticidudfasning: optimal pesticid- og arealanvendelse for ti bedriftstyper i udvalgte scenarier

      Ørum, Jens Erik, 1999, Statens Jordbrugs- og Fiskeriøkonomiske Institut. 128 p. (SJFI Rapport; No. 107).

      Research output: Book/Report › Report › Commissioned

    35. Published

      Driftsøkonomiske konsekvenser af reduceret kvælstofgødskning på udvalgte landbrugsbedrifter

      Ørum, Jens Erik & Schou, Jesper Sølver, Oct 2015, 6 p.. Mar 24, 2015. (IFRO Udredning; No. 2015/34).

      Research output: Memorandum/exposition › Memorandum

    36. Published

      Drivers for robot use in field crop farming: farmers’ perspectives from four case areas in Europe

      Tamirat, Tseganesh Wubale, Pedersen, Søren Marcus, Ørum, Jens Erik, de Jonge, E. L. M. & Kool, F., 2023, Precision agriculture ’23: Papers presented at the 14th European Conference on Precision Agriculture. Stafford, J. V. (ed.). Wageningen Academic Publishers, p. 813-820 8 p. 102

      Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

    37. Published

      EU's Farm to Fork-forordning: Model til beregning af en omkostningseffektiv tilpasning for dansk landbrug

      Ørum, Jens Erik, Kudsk, P. & Jørgensen, L. N., 2023, Institut for Fødevare- og Ressourceøkonomi, Københavns Universitet. 17 p. (IFRO Dokumentation; No. 2023/01).

      Research output: Book/Report › Report › Commissioned

    38. Published

      EU’s Farm to Fork-forordning: Tilpasning og omkostninger for dansk landbrug

      Ørum, Jens Erik, Kudsk, P. & Jørgensen, L. N., 2023, Institut for Fødevare- og Ressourceøkonomi, Københavns Universitet. 17 p. (IFRO Udredning; No. 2023/01).

      Research output: Book/Report › Report › Commissioned

    39. Published

      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

    40. Published

      Economic, environmental and social impacts

      Pedersen, Søren Marcus, Pedersen, Michael Friis, Ørum, Jens Erik, Fountas, S., van Evert, F. K., van Egmond, F., Knierim, Kernecker, M. & Mouazen, A. M., 2020, Agricultural Internet of Things and Decision Support for Precision Smart Farming. Castrignanò, A., Buttafuoco, G., Khosla, R., Mouazen, A. M., Moshou, D. & Naud, O. (eds.). Academic Press, p. 279-330 52 p.

      Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

    41. Published

      Economics of site-specific and variable-dose herbicide application

      Ørum, Jens Erik, Kudsk, P. & Jensen, P. K., 2017, Precision agriculture: technology and economic perspectives. Pedersen, S. M. & Lind, K. M. (eds.). Springer, p. 93-110 18 p. (Progress in Precision Agriculture; No. 1).

      Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

    42. Published

      Effects of mechanical weed control in spring cereals - flora, fauna and economy

      Navntoft, S., Esbjerg, Peter, Ørum, Jens Erik, Jensen, A., Johnsen, I., Petersen, B. S., Petersen, P. H. & Kristensen, K., 2007, Copenhagen: Danish Ministry of the Environment, Environmental Protection Agency. 145 p. (Pesticides research; No. 114).

      Research output: Book/Report › Report › Research

    43. Published

      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

    44. Published

      En model for fungicidanvendelse i vinterhvede

      Ørum, Jens Erik, Pinnschmidt, H. & Jørgensen, L. N., 2006, Ikke angivet. Landbrugsforlaget, p. 34-35 2 p.

      Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

    45. Published

      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

    46. Published

      Etablering af økologisk frugt- og bærproduktion

      Ørum, Jens Erik, 2010, 3 p.. Nov 20, 2010. (FOI Udredning; No. 25, Vol. 2010).

      Research output: Memorandum/exposition › Memorandum

    47. Published

      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

    48. Published

      Farmers perception of quinoa - experience from Bouchane region in Morocco and Adana in Turkey

      Pedersen, Søren Marcus, Benlhabib, O., Xhoxhi, O., Lind, K. M. H. & Ørum, Jens Erik, 2013, Proceeding: Sustainable water use for securing food production in the Mediterranean region under chainging climate: SWUP-MED project final conference. p. 741-753 13 p.

      Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

    49. Published

      Farmers' incentives to save water with new irrigation systems and water taxation: a case study of Serbian potato production

      Ørum, Jens Erik, Boesen, M. V., Jovanovic, Z. & Pedersen, Søren Marcus, 2010, In: Agricultural Water Management. 98, 3, p. 465-471 7 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    50. Published

      FØJO Bedriftsmodellen I: teknisk notat

      Madsen, N. A. & Ørum, Jens Erik, 2004

      Research output: Other contribution › Communication

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