Jan Kofod Schjørring

Jan Kofod Schjørring

Professor, emeritus


  1. Published

    Antisense reduction of serine hydroxymethyltransferase results in diurnal displacement of NH4+ assimilation in leaves of Solanum tuberosum

    Schjoerring, Jan K., Mäck, G., Nielsen, K. H., Husted, Søren, Suzuki, A., Driscoll, S., Boldt, R. & Bauwe, H., 2006, In: Plant Cell. 45, 1, p. 71-82 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  2. Published

    Ny viden om hvordan afgrødernes fysiologiske kvælstofudnyttelse kan øges

    Schjoerring, Jan K., 2009. 2 p.

    Research output: Contribution to conferencePaperResearch

  3. Published

    Plant nutrition for global green growth

    Schjoerring, Jan K., Ma, J. F. & von Wiren, N., Jul 2018, In: Physiologia Plantarum. 163, 3, p. 268

    Research output: Contribution to journalEditorialResearchpeer-review

  4. Published

    Zinc and iron speciation in the cereal grain

    Schjoerring, Jan K., Persson, Daniel Pergament, Hansen, Thomas Hesselhøj, Laursen, Kristian Holst & Husted, Søren, 2009, The proceedings of the International Plant Nutrition Colloquium XVI. Department of Plant Sciences, University of California, Davis, 4 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  5. Published

    Zinc and iron distribution and speciation in the cereal grain

    Schjoerring, Jan K., Persson, Daniel Pergament, Lombi, E., Hansen, Thomas Hesselhøj, Laursen, Kristian Holst, Schiller, M., Hegelund, J. N. & Husted, Søren, 2008, In: Physiologia Plantarium. 3, p. 217 1 p.

    Research output: Contribution to journalConference abstract in journalResearch

  6. Published

    Vand og planter

    Schjoerring, Jan K. & Jahn, T. P., 2005, Vand - Temahæfte 2005. Lund (ansvh. redaktør), S., Bjerno, G. L., Thostrup, L. & Aabo, C. (eds.). København: Center for Skov, Landskab og Planlægning/Københavns Universitet, p. 6-7 2 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterCommunication

  7. Published

    Kvælstofudnyttelse ved bladgødskning i vinterhvede

    Schjoerring, Jan K., Møller, I. S. & Kichey, T. M. R., 2011, Plantekongres 2011: sammendrag af indlæg; 11-13 januar i Herning Kongrescenter. Videncentret for Landbrug, p. 64-65 2 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

  8. Published

    Measurement of ammonia gas emission from plants

    Schjoerring, Jan K. & Husted, Søren, 1997, Plant volatile analysis. Linskens, H. -F. & Jackson, J. F. (eds.). Berlin: Springer, Vol. 19. p. 73-95 23 p. (Modern methods of plant analysis).

    Research output: Chapter in Book/Report/Conference proceedingBook chapterCommunication

  9. Published

    Cytosolic glutamine synthetase (GS1): posttranslational regulation and role in nitorgen remobilization from leaves of non-transgenic and GS1-overexpressing oilseed rape plants

    Schjoerring, Jan K., Möllers, C. & Finnemann, J., 2001, Ikke angivet. Horst, W. J., Schenk, M. K., Bürkert, A., Claassen, N., Flessa, H., Frommmer, W. B., Goldbach, H., Olfs. H. -W., Römheld, V., Sattelmacher, B., Schmidhalter, U., Schubert, S., Wirén, N. V. & Wittenmayer, L. (eds.). Kluwer Academic Publishers, p. 120-121 2 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

  10. Published

    Physiological regulation of plant-atmosphere ammonia exchange

    Schjoerring, Jan K., Husted, Søren, Mäck, G., Høier Nielsen, K., Finnemann, J. & Mattsson, M., 2000, In: Plant and Soil. 221, p. 95-102 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Quantification of ammonia exchange over agricultural cropland

    Schjoerring, Jan K., 1996.

    Research output: Contribution to conferencePaperResearch

  12. Published

    Rapsplanters kvælstofomsætning

    Schjoerring, Jan K., Husted, Søren, Høier Nielsen, K. & Finnemann, J., 1998, Biokemisk, fysiologiske, molekylærbiologiske og reistensbiologiske undersøgelser i vinterraps. p. 43-53 11 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterCommunication

  13. Published

    Plant-atmosphere ammonia exchange: quantification, physiological regulation and interactions with environmental factors

    Schjoerring, Jan K., 1997, Copenhagen: The Royal Veterinary and Agricultural University, Department of Agricultural Sciences, Plant Nutrition and Soil Fertility Laboratory. 334 p.

    Research output: Book/ReportPh.D. thesisResearch

  14. Published

    Soil-plant-atmosphere ammonia exchange associated with Calluna vulgaris and Deschampsia flexuosa

    Schjoerring, Jan K., Husted, Søren & Poulsen, M. M., 1998, In: Atmospheric Environment. 32, 3, p. 507-512 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Quantification of ammonia exchange between agricultural cropland and atmosphere: measurements over two complete growth cycles of oilseed rape, wheat, barley and pea

    Schjoerring, Jan K. & Mattsson, M., 2001, In: Plant and Soil. 228, p. 105-115 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    The ¤leaf apoplast: a central compartment in plant nitrogen utilisation

    Schjoerring, Jan K., Pearson, N., Husted, Søren, Høier Nielsen, K. & Mattsson, M., 2001, Ikke angivet. Horst, W. J., Schenk, M. K., Bürkert, A., Claassen, N., Flessa, H., Frommmer, W. B., Goldbach, H., Olfs. H. -W., Römheld, V., Sattelmacher, B., Schmidhalter, U., Schubert, S., Wirén, N. V. & Wittenmayer, L. (eds.). Kluwer Academic Publishers, p. 244-245 2 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

  17. Published

    Atmospheric ammonia and impacts of nitrogen deposition: uncertainties and challenges

    Schjoerring, Jan K., 1998, In: New Phytologist. 139, p. 59-60 2 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    The ¤regulation of ammonium translocation in plants

    Schjoerring, Jan K., Husted, Søren, Mäck, G. & Mattsson, M., 2002, In: Journal of Experimental Botany. 53, 370, p. 883-890 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    Physiological regulation of plant-atmosphere ammonia exchange

    Schjoerring, Jan K., Husted, Søren, Mäck, G., Høier Nielsen, K., Finnemann, J. & Mattsson, M., 2000, Nitrogen in a sustainable ecosystem from the cell to the plant. Martins-Loucão, M. A. & Lips, S. H. (eds.). Leiden: Backhuys Publishers, p. 307-314 8 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  20. Published

    Physiological parameters controlling plant-atmosphere ammonia exchange

    Schjoerring, Jan K., Husted, Søren & Mattsson, M., 1998, In: Atmospheric Environment. 32, 3, p. 491-498 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. Published

    Noget om planters spisevaner

    Schjoerring, Jan K., 2001, Årsberetning 2000 for Forskningsforum, forskningsrådene og Forskeruddannelsesrådet, Forskningsstyrelsen, København. p. 38-39 2 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterCommunication

  22. Published

    Nitrogen incorporation and remobilization in different shoot components of field-grown winter oilseed rape (Brassica napus L.) as effected by rate of nitrogen application and irrigation

    Schjoerring, Jan K., Bock, J. G. H., Gammelvind, L., Jensen, C. R. & Mogensen, V. O., 1995, In: Plant and Soil. 177, p. 255-264 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. Published

    Regulation of ammonium distribution in plants

    Schjoerring, Jan K., Finnemann, J., Husted, Søren, Mattsson, M., Høier Nielsen, K. & Pearson, J. N., 1999, Ikke angivet. Gissel-Nielsen, G. & Jensen, A. (eds.). Humana Press, p. 69-82 14 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

  24. Published

    Plant nutrition and soil fertility: synergies for acquiring global green growth and sustainable development

    Schjoerring, Jan K., Cakmak, I. & White, P. J., 15 Jan 2019, In: Plant and Soil. 434, 1-2, p. 1-6

    Research output: Contribution to journalEditorialResearch

  25. Published

    Barley metallothioneins differ in ontogenetic pattern and response to metals

    Schiller, M., Hegelund, J. N., Pedas, P., Kichey, T., Laursen, Kristian Holst, Husted, Søren & Schjoerring, Jan K., 2014, In: Plant, Cell and Environment. 37, 2, p. 353-367 15 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  26. Published

    Plant metallothioneins and functional analysis of a barley metallothionein promoter

    Schiller, M., Hegelund, J. N., Pedas, P., Husted, Søren & Schjoerring, Jan K., 2009, The proceedings of the International Plant Nutrition Colloquium. Department of Plant Sciences, University of California, Davis, 4 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  27. Published

    Metallothioneins - what are their physiological roles in barley?

    Schiller, M., Hegelund, J. N., Husted, Søren & Schjoerring, Jan K., 2008, In: Physiologia Plantarium. 3, p. 216 1 p.

    Research output: Contribution to journalConference abstract in journalResearch

  28. Published

    Effects of ammonium toxicity on nitrogen metabolism and elemental profile of cucumber plants

    Roosta, H. & Schjoerring, Jan K., 2007, In: Journal of Plant Nutrition. 30, 10-12, p. 1933-1951 19 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  29. Published

    Root carbon enrichment alleviates ammonium toxicity in cucumber plants

    Roosta, H. & Schjoerring, Jan K., 2008, In: Journal of Plant Nutrition. 31, 5, p. 941-958 18 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  30. Published

    Relative addition rate technique as a tool for alleviating ammonium toxicity in cucumber (Cucumis sativus L., cv. Styx) plants

    Roosta, H. & Schjoerring, Jan K., 2005, Plant nutrition for food security, human health and environmental protection. Li, C. P. & al., E. (eds.). Tsinghua University Press, p. 274-275 2 p.

    Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

  31. Published

    Effects of nitrate and potassium on ammonium toxicity in cucumber plants

    Roosta, H. & Schjoerring, Jan K., 2008, In: Journal of Plant Nutrition. 31, 7, p. 1270-1283 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  32. Published

    Responses of cucumber plant to NH4+ and NO3- nutrition: the relative addition rate technique vs. cultivation at constant nitrogen concentration

    Roosta, H. R., Sajjadinia, A., Rahimi, A. & Schjoerring, Jan K., 2009, In: Scientia Horticulturae. 121, 4, p. 397-403 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  33. Published

    Response of tomato plant to ammonium and nitrate nutrition using the relative addition rate technique

    Roosta, H. R. & Schjoerring, Jan K., 2021, In: Acta Horticulturae. 1315, p. 495-501 7 p.

    Research output: Contribution to journalConference articleResearchpeer-review

  34. Published

    Tonoplast aquaporins facilitate lateral root emergence

    Reinhardt, H., Hachez, C., Bienert, M. D., Beebo, A., Swarup, K., Voß, U., Bouhidel, K., Frigerio, L., Schjoerring, Jan K., Bennett, M. J. & Chaumont, F., 2016, In: Plant Physiology. 170, 3, p. 1640-1654 15 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  35. Published

    Optimising the foliar uptake of zinc oxide nanoparticles: Do leaf surface properties and particle coating affect absorption?

    Read, T. L., Doolette, C. L., Li, C., Schjoerring, Jan K., Kopittke, P. M., Donner, E. & Lombi, E., 2020, In: Physiologia Plantarum. 170, 3, p. 384-397 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  36. Published

    Investigating the foliar uptake of zinc from conventional and nano-formulations: a methodological study

    Read, T. L., Doolette, C. L., Cresswell, T., Howell, N. R., Aughterson, R., Karatchevtseva, I., Donner, E., Kopittke, P. M., Schjoerring, Jan K. & Lombi, E., 2019, In: Environmental Chemistry. 16, 6, p. 459-469

    Research output: Contribution to journalJournal articleResearchpeer-review

  37. Published

    Improved quality and disease resistance in cereal crops (iKORN) - a strategic research initiative

    Rasmussen, S. K., Andersen, S. B., Backes, G. M., Brinch-Pedersen, H., Eriksen, L., Haldrup, H., Hjortholm, K., Holm, P. B., Jahn, T. P., Jahoor, A., Justesen, A. F., Jørgensen, L. N., Møller, I. S., Schjoerring, Jan K., Spliid, N. H., Thordal-Christensen, Hans & Torp, A. M., 2009. 1 p.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  38. Published

    Improved quality and disease resistance in cerial crops (iKORN)

    Rasmussen, S. K., Andersen, S. B., Backes, G. M., Brinch-Pedersen, H., Eriksen, L., Haldrup, H., Holm, P. B., Jahn, T. P., Jahoor, A., Justesen, A. F., Jørgensen, A. V., Jørgensen, L. N., Møller, I. S., Schjoerring, Jan K., Spliid, N. H., Thordal-Christensen, Hans & Torp, A. M., 2009.

    Research output: Contribution to conferencePaperResearch

  39. Published

    Improved Quality and Disease Resistance in Cereal Crops (iKORN) - A Strategic Research Initiative

    Rasmussen, S., Andersen, S. B., Backes, G. M., Brinch-Pedersen, H., Eriksen, L., Haldrup, H., Hjortholm, K., Holm, P. B., Jahn, T. P., Jahoor, A., Justesen, A. F., Jørgensen, L. N., Schjoerring, Jan K., Spliid, N. H., Thordal-Christensen, Hans & Torp, A. M., 2008. 1 p.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  40. Published

    Improved Quality and Disease Resistance in Cereal Crops (iKORN) - A Strategic Research Initiative

    Rasmussen, S., Andersen, S. B., Backes, G. M., Brinch-Pedersen, H., Eriksen, L., Haldrup, H., Hjortholm, K., Holm, P. B., Jahn, T. P., Jahoor, A., Justesen, A. F., Jørgensen, L. N., Schjoerring, Jan K., Spliid, N. H., Thordal-Christensen, Hans & Torp, A. M., 2008, Triticeae genomics for the advancement of essential European crops. p. 134 1 p.

    Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

  41. Published

    Components of the nitrate transport and assimilatory systems of barley are both nitrogen responsive and diurnally regulated

    Plett, D. C., Thomsen, H. C., Schjoerring, Jan K. & Garnett, T. P., 2017, Proceedings Book: XVIII International Plant Nutrition Colloquium with Boron and Manganese Satellite Meetings. Carstensen, A., Laursen, K. H. & Schjoerring, J. K. (eds.). University of Copenhagen, p. 550-551 2 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  42. Published

    Processes controlling the exchange of ammonia between grassland and the atmosphere (GRAMINAE) - results from the Braunschweig field experiment

    Pilegaard, K., Schjoerring, Jan K. & Sutton, M. A., 2009, In: Biogeosciences. 6, p. 3149–3150 2 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  43. Published

    Grain tissue localization and speciation analysis of P, Fe and Zn in rice and barley

    Persson, D. P., Stenbæk, A., Neergaard, E. D., Hansen, Thomas Hesselhøj, Schjoerring, Jan K. & Husted, Søren, 2006. 1 p.

    Research output: Contribution to conferencePosterResearch

  44. Published

    Molecular speciation and tissue compartmentation of zinc in durum wheat grains with contrasting nutritional status

    Persson, Daniel Pergament, de Bang, T. C., Pedas, P. R., Kutman, U. B., Cakmak, I., Andersen, B., Finnie, C., Schjoerring, Jan K. & Husted, Søren, 2016, In: New Phytologist. 211, 4, p. 1255-1265 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  45. Published

    Multi-element bioimaging of Arabidopsis thaliana roots

    Persson, Daniel Pergament, Chen, A., Aarts, M. G. M., Salt, D. E., Schjoerring, Jan K. & Husted, Søren, 2016, In: Plant Physiology. 172, 2, p. 835-847 13 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  46. Published

    ICP-MS and LC-ICP-MS for analysis of trace element content and speciation in the cereal grain

    Persson, Daniel Pergament, Hansen, Thomas Hesselhøj, Laursen, Kristian Holst, Husted, Søren & Schjoerring, Jan K., 2012, Plant metabolomics : methods and protocols. Hardy, N. W. & Hall, R. D. (eds.). Humana Press, p. 193-211 19 p. (Methods in Molecular Biology).

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  47. Published

    Jern og zink i cerealier

    Persson, Daniel Pergament, Hansen, Thomas Hesselhøj, Thomsen, R. P., Laursen, Kristian Holst, Husted, Søren & Schjoerring, Jan K., 2009, In: Biozoom. 1, p. 12-16 5 p.

    Research output: Contribution to journalJournal articleResearch

  48. Published
  49. Published

    Grain tissue localization and speciation analysis of P, Fe and Zn in rice and barley

    Persson, Daniel Pergament, Stenbæk, A., Neergaard, E. D., Hansen, Thomas Hesselhøj, Schjoerring, Jan K. & Husted, Søren, 2006. 1 p.

    Research output: Contribution to conferencePosterResearch

  50. Published

    Multi-elemental speciation analysis of barley genotypes differing in tolerance to cadmium toxicity using SEC-ICP-MS and ESI-TOF-MS

    Persson, Daniel Pergament, Hansen, Thomas Hesselhøj, Holm, Peter Engelund, Schjoerring, Jan K., Hansen, Hans Chr. Bruun, Nielsen, J., Cakmak, I. & Husted, Søren, 2006, In: Journal of Analytical Atomic Spectrometry. 21, 10, p. 996-1005 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

ID: 4226215