Jens Erik Ørum

Jens Erik Ørum

Senior adviser, Senior Advisor

Member of:

    ORCID: 0000-0003-2690-7586

    Publication year:
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    101 - 130 out of 130Page size: 50
    1. 2018
    2. Published

      Gridbaseret Udvaskningsmodel for Udvalgte Sædskifter (GUUS): En simpel, kvadratisk udvaskningsmodel kalibreret til NLES4

      Ørum, Jens Erik & Thomsen, I. K., 2018, 23 p.. (IFRO Dokumentation; No. 2017/4).

      Research output: Memorandum/exposition › Memorandum

    3. Published

      Optimal kvælstoftildeling til korn – responsfunktioner og metode til produktionsøkonomisk analyse af landsforsøgene med kvælstoftildeling til vinterhvede

      Ørum, Jens Erik, Thomsen, I. K. & Knudsen, L., 2018, Institut for Fødevare- og Ressourceøkonomi, Københavns Universitet. 36 p. (IFRO Dokumentation; No. 2018/1).

      Research output: Book/Report › Report › Commissioned

    4. Published

      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

    5. Published

      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

    6. 2019
    7. 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

    8. Published

      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

    9. Published

      Optimal kvælstoftildeling til korn: responsfunktioner og metode til produktionsøkonomisk analyse af Landsforsøgene med kvælstoftildeling til vinterhvede og vårbyg samt kvalitetssikring af Normudvalgets indstillinger

      Ørum, Jens Erik, Lund Jensen, J., Thomsen, I. K. & Knudsen, L., 2019, Institut for Fødevare- og Ressourceøkonomi, Københavns Universitet. 58 p. (IFRO Rapport; No. 281).

      Research output: Book/Report › Report › Commissioned

    10. Published

      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

    11. 2020
    12. 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

    13. 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

    14. Published

      Introducing quinoa in Turkey: farmers perception in the region of Adana

      Pedersen, Søren Marcus, Lind, K. M., Xhoxhi, O., Yazar, A., Jacobsen, S. & Ørum, Jens Erik, 2020, In: Economia Agro-Alimentare. 22, 1, 24 p., 2.

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

    15. Published

      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

    16. Published

      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

    17. 2021
    18. 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

    19. 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

    20. Published

      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

    21. 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

    22. 2022
    23. 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

    24. 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

    25. Published

      Omkostninger ved sløjfninger af ubenyttede brønde og boringer: Kort notat

      Ørum, Jens Erik, 2022, 11 p.. (IFRO Udredning; No. 2022/20).

      Research output: Memorandum/exposition › Memorandum

    26. Published

      Scenario analysis using the Daisy model to assess and mitigate nitrate leaching from complex agro-environmental settings in Denmark

      Rashid, Muhammad Adil, Bruun, Sander, Styczen, Merete Elisabeth, Ørum, Jens Erik, Borgen, S. K., Thomsen, I. K. & Jensen, Lars Stoumann, 2022, In: Science of the Total Environment. 816, 13 p., 151518.

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

    27. Published

      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

    28. 2023
    29. 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

    30. 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

    31. 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

    32. 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

    33. Published

      Multi-stakeholder perspectives on field crop robots: lessons from four case areas in Europe

      Tamirat, Tseganesh Wubale, Pedersen, Søren Marcus, Ørum, Jens Erik & Holm, Sune Hannibal, 2023, In: Smart Agricultural Technology. 4, 9 p., 100143.

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

    34. Published

      Optimal use of an agricultural robot in an arable crop rotation: a case study from the Netherlands

      Ørum, Jens Erik, Pedersen, Søren Marcus, Tamirat, Tseganesh Wubale, Stratton, Andrew David Harold, Veldhuisen, A. & Hilbrands, H., 2023, Precision agriculture ’23: Papers presented at the 14th European Conference on Precision Agriculture. Stafford, J. V. (ed.). Wageningen Academic Publishers, p. 789-796 8 p. 99

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

    35. 2024
    36. Published

      Kort notat vedrørende mulige averse effekter af et tilskud til en reduceret kvælstofanvendelse

      Ørum, Jens Erik & Olsen, Jakob Vesterlund, Feb 2024, Institut for Fødevare- og Ressourceøkonomi, Københavns Universitet. 6 p. (IFRO Udredning; No. 2023/40).

      Research output: Book/Report › Report › Commissioned

    37. Published

      Omkostningsberegninger for et muligt samspil mellem klima- og kvælstofregulering: Baggrund, modeljustering og scenarier

      Ørum, Jens Erik & Thomsen, I. K., May 2024, Institut for Fødevare- og Ressourceøkonomi, Københavns Universitet. 23 p. (IFRO Dokumentation; No. 2024/01).

      Research output: Book/Report › Report › Commissioned

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