Jan Kofod Schjørring

Jan Kofod Schjørring

Professor, emeritus


  1. Published

    Latent manganese deficiency increases transpiration in barley (Hordeum vulgare)

    Hebbern, C. A., Laursen, Kristian Holst, Ladegaard, A. H., Schmidt, Sidsel Birkelund, Pedas, P. R., Bruhn, D., Schjoerring, Jan K., Wulfsohn, D. & Husted, Søren, 2009, In: Physiologia Plantarum : An International Journal for Plant Biology. 135, 3, p. 307-316 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  2. Published

    Layered double hydroxides: potential release-on-demand fertilizers for plant zinc nutrition

    López Rayo, S., Imran, A., Hansen, Hans Chr. Bruun, Schjoerring, Jan K. & Magid, Jakob, 2017, In: Journal of Agricultural and Food Chemistry. 65, 40, p. 8779-8789 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Leaf Scorching following Foliar Fertilization of Wheat with Urea or Urea–Ammonium Nitrate Is Caused by Ammonium Toxicity

    Quassi de Castro, Saulo Augusto, Kichey, T., Persson, Daniel Pergament & Schjoerring, Jan K., 2022, In: Agronomy. 12, 6, 19 p., 1405.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Leaf photosynthesis and drought adaptation in field-grown oilseed rape (Brassica napus L.)

    Jensen, C. R., Mogensen, V. O., Mortensen, G., Andersen, M. N., Schjoerring, Jan K., Thage, J. H. & Koribidis, J., 1996, In: Functional Plant Biology. 23, p. 631-644 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Leaf-atmosphere NH3 exchange in barley mutants with reduced activities of glutamine synthetase

    Mattsson, M., Häusler, R. E., Leegood, R. C., Lea, P. J. & Schjoerring, Jan K., 1997, In: Plant Physiology. 114, p. 1307-1312 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Leaf-atmosphere NH3 exchange of white clover (Trifolium repens L. ) in relation to mineral N nutrition and symbiotic N2 fixation

    Herrmann, B., Mattsson, M., Fuhrer, J. & Schjoerring, Jan K., 2002, In: Journal of Experimental Botany. 53, 366, p. 139-146 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Linking the key physiological functions of essential micronutrients to their deficiency symptoms in plants

    Lilay, Grmay Hailu, Thiébaut, Noémie, du Mee, D., Assuncao, Ana, Schjoerring, Jan K., Husted, Søren & Persson, Daniel Pergament, 2024, In: New Phytologist. 242, 3, p. 881-902

    Research output: Contribution to journalReviewResearchpeer-review

  8. Published

    Losses of essential mineral nutrients by polishing of rice differ among genotypes due to contrasting grain hardness and mineral distribution

    Hansen, Thomas Hesselhøj, Lombi, E., Fitzgerald, M., Laursen, Kristian Holst, Frydenvang, Jens, Husted, Søren, Boualaphanh, C., Resurreccion, A., Howard, D. L., Jonge, M. D. D., Paterson, D. & Schjoerring, Jan K., 2012, In: Journal of Cereal Science. 56, 2, p. 307-315 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Management of biological nitrogen fixation in grass/clover leys

    Jensen, E. S., Jensen, H. H., Vanman Jørgensen, F., Schjoerring, Jan K. & Vinther, E. P., 1996. 8 p.

    Research output: Contribution to conferencePaperResearch

  10. Published

    Manganese efficiency in barley: identification and characterization of the metal ion transporter HvIRT1

    Pedas, P., Ytting, C. K., Fuglsang, Anja Thoe, Jahn, T. P., Schjoerring, Jan K. & Husted, Søren, 2008, In: Plant Physiology. 148, 1, p. 455-466 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. 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

  12. Published

    Measurements and modelling of NH3 fluxes with European ecosystems

    Sutton, M. A. & Schjoerring, Jan K., 1999.

    Research output: Contribution to conferencePaperResearch

  13. Published

    Megapixel imaging of (micro)nutrients in mature barley grains

    Lombi, E., Smith, E., Hansen, Thomas Hesselhøj, Paterson, D., Jonge, M. D. D., Howard, D. L., Persson, Daniel Pergament, Husted, Søren, Ryan, C. & Schjoerring, Jan K., 2011, In: Journal of Experimental Botany. 62, 1, p. 273-282 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    Membrane transport of hydrogen peroxide

    Bienert, G. P., Schjoerring, Jan K. & Jahn, T. P., 2006, In: BBA General Subjects. 1758, 8, p. 994-1003 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Metabolomic and elemental profiling of melon fruit quality as affected by genotype and environment

    Bernillon, S., Biais, B., Deborde, C., Maucourt, M., Cabasson, C., Gibon, Y., Hansen, T. H., Husted, S., de Vos, R. C. H., Mumm, R., Jonker, H., Ward, J. L., Miller, S. J., Baker, J. M., Burger, J., Tadmor, Y., Beale, M. H., Schjørring, J. K., Schaffer, A. A., Rolin, D. & 2 others, Hall, R. D. & Moing, A., 2013, In: Metabolomics. 9, 1, p. 57-77 21 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    Metal binding in photosystem II super- and subcomplexes from barley thylakoids

    Schmidt, Sidsel Birkelund, Persson, Daniel Pergament, Powikrowska, M., Frydenvang, Jens, Schjoerring, Jan K., Jensen, Poul Erik & Husted, Søren, 2015, In: Plant Physiology. 168, 4, p. 1490-1502 13 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    Metallothioneins - What Are Their Physiological Functions in Barley?

    Hegelund, J. N., Schiller, M., Husted, Søren & Schjoerring, Jan K., 2008.

    Research output: Contribution to conferencePosterResearch

  18. 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

  19. Published

    Micro-scaled high-throughput digestion of plant tissue samples for multi-elemental analysis

    Hansen, Thomas Hesselhøj, Laursen, Kristian Holst, Persson, Daniel Pergament, Pedas, P., Husted, Søren & Schjoerring, Jan K., 2009, In: Plant Methods. 5, 12, 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. Published

    Micrometeorological measurements of net ammonia fluxes over oilseed rape during two vegetation periods

    Sutton, M. A., Nemitz, E., Milford, C., Fowler, D., Moreno, J., José, R. S., Wyers, G. P., Otjes, R. P., Harrison, R., Husted, Søren & Schjoerring, Jan K., 2000, In: Agricultural and Forest Meteorology. 105, p. 351-369 19 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. Published

    Mikronæringsstoffernes fordeling og bindingsformer i kornkernen

    Husted, Søren, Persson, Daniel Pergament, Hansen, Thomas Hesselhøj & Schjoerring, Jan K., 2011, Plantekongres 2011: sammendrag af indlæg; 11-13 januar i Herning Kongrescenter. Videncentret for Landbrug, p. 68 1 p.

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

  22. Published

    Model of how plants sense zinc deficiency

    Assuncao, Ana, Persson, Daniel Pergament, Husted, Søren, Schjoerring, Jan K., Alexander, R. D. & Aarts, M. G. M., 2013, In: Metallomics. 5, 9, p. 1110-1116 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. Published

    Modification of storage proteins in the barley grain increases endosperm zinc and iron under both normal and elevated atmospheric CO2

    Gao, Y., Persson, Daniel Pergament, Vincze, E. & Schjoerring, Jan K., 2022, In: Physiologia Plantarum. 174, 1, 15 p., e13624.

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. Published

    Molecular physiology of ammonium transport and assimilation and the role of aquaammoniaporins

    Jahn, T. P., Møller, A. L. B., Hegelund, J. N., Hoopen, F. T., Bienert, G. P., Dionisi, G., Nielsen, K. H. & Schjoerring, Jan K., 2005. 1 p.

    Research output: Contribution to conferencePosterResearch

  25. 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

  26. Published

    Multi element bioimaging of Arabidopsis thaliana roots

    Persson, Daniel Pergament, Chen, A., Salt, D., Aarts, M. M. G., Schjoerring, Jan K. & Husted, Søren, 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. 817-818 2 p.

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

  27. 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

  28. Published
  29. Published

    Multi-elemental fingerprinting of plant tissue by semi-quantitative ICP-MS and chemometrics

    Laursen, Kristian Holst, Hansen, Thomas Hesselhøj, Persson, Daniel Pergament, Schjoerring, Jan K. & Husted, Søren, 2009, In: Journal of Analytical Atomic Spectrometry. 24, 9, p. 1198-1207 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  30. 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

  31. Published

    Multi-platform metabolomics analyses of a broad collection of fragrant and non-fragrant rice varieties reveals the high complexity of grain quality characteristics

    Mumm, R., Hageman, J. A., Calingacion, M. N., de Vos, R. C. H., Jonker, H. H., Erban, A., Kopka, J., Hansen, T. H., Laursen, K. H., Schjørring, J. K., Ward, J. L., Beale, M. H., Jongee, S., Rauf, A., Habibi, F., Indrasari, S. D., Sakhan, S., Ramli, A., Romero, M., Reinke, R. F. & 4 others, Ohtsubo, K., Boualaphanh, C., Fitzgerald, M. A. & Hall, R. D., 2016, In: Metabolomics. 12, 19 p., 38.

    Research output: Contribution to journalJournal articleResearchpeer-review

  32. Published

    Multielement plant tissue analysis using ICP spectrometry

    Hansen, Thomas Hesselhøj, de Bang, T. C., Laursen, Kristian Holst, Pedas, P., Husted, Søren & Schjoerring, Jan K., 2013, Plant mineral nutrients: methods and protocols. Maathuis, F. J. M. (ed.). Humana Press, p. 121-141 21 p. (Methods in Molecular Biology, Vol. 953).

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

  33. Published

    Multielemental fingerprinting as a tool for authentication of organic wheat, barley, faba bean, and potato

    Laursen, Kristian Holst, Schjoerring, Jan K., Olesen, J. E., Askegaard, M., Halekoh, U. & Husted, Søren, 2011, In: Journal of Agricultural and Food Chemistry. 59, 9, p. 4385–4396 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  34. Published

    Multiplexed quantification of plant thylakoid proteins on western blots using lanthanide-labeled antibodies and laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS)

    de Bang, T. C., Pedas, P., Schjoerring, Jan K., Jensen, Poul Erik & Husted, Søren, 2013, In: Analytical Chemistry. 85, 10, p. 5047-5054 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  35. Published

    NH3 and NH4+ permeability in aquaporin-expressing Xenopus oocytes

    Holm, L. M., Jahn, T. P., Møller, A. L. B., Schjoerring, Jan K., Ferri, D., Klærke, Dan Arne & Zeuthen, Thomas, 2005, In: Pflügers Archiv: European Journal of Physiology. 450, 6, p. 415-428 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  36. Published

    Nanomaterials as fertilizers for improving plant mineral nutrition and environmental outcomes

    Kopittke, P. M., Lombi, E., Wang, P., Schjoerring, Jan K. & Husted, Søren, 2019, In: Environmental Science: Nano. 6, 12, p. 3513-3524

    Research output: Contribution to journalReviewResearchpeer-review

  37. Published

    New functions: two candidate aquaporins suggested to be involved in the transport of H2O2

    Bienert, G. P., Schüssler, M. D., Schjoerring, Jan K. & Jahn, T. P., 2005, Programme, abstracts, participants. Thordal-Christensen, H. & Kangasjärvi, J. (eds.). Center for Skov, Landskab og Planlægning/Københavns Universitet, p. 33 1 p.

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

  38. Published

    New functions: two candidate aquaporins suggested to be involved in the transport of H2O2

    Bienert, G. P., Schüssler, M. D., Schjoerring, Jan K. & Jahn, T. P., 2005, The 4th Int. Conf. on Aquaporins. Abstract book. SPA, p. 102 1 p.

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

  39. Published

    Nitrogen affects the quality of biomass for biorefining

    Jørgensen, H., van Hecke, J. J. J., Baldwin, L. A. & Schjoerring, Jan K., 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. 351-352 2 p.

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

  40. Published

    Nitrogen fertilization affects silicon concentration, cell wall composition and biofuel potential of wheat straw

    Murozuka, E., Laursen, Kristian Holst, Lindedam, J., Shield, I. F., Bruun, Sander, Magid, Jakob, Møller, I. S. & Schjoerring, Jan K., 2014, In: Biomass & Bioenergy. 64, p. 291-298 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  41. 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

  42. 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

  43. Published

    Novel control-release fertilizers based on layered double hydroxides for manganese nutrition

    López Rayo, S., Hansen, Hans Chr. Bruun, Schjoerring, Jan K. & Magid, Jakob, 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. 935-936 2 p.

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

  44. Published

    Ny viden om hvordan afgrødernes fysiologiske kvælstofudnyttelse kan øges

    Schjoerring, Jan K., 2009. 2 p.

    Research output: Contribution to conferencePaperResearch

  45. Published

    On-line measurement of essential plant nutrient dynamics in the root medium using ICP-MS with an octopole research system

    Husted, Søren, Holm, Peter Engelund, Hansen, Hans Chr. Bruun & Schjoerring, Jan K., 2003, Ikke angivet. Gesellschaft deutscher chemiker, p. 167 1 p.

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

  46. 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

  47. Published

    Overexpression of cytosolic glutamine synthetase may promote grain yield and nitrogen use efficiency in barley while preventing grain protein decline under elevated atmospheric carbon dioxide

    Gao, Y., Thomsen, H. C. & Schjoerring, Jan K., 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. 720-721 2 p.

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

  48. Published

    Peering into the separate roles of root and shoot cytosolic glutamine synthetase 1;2 by use of grafting experiments in Arabidopsis

    Guan, M. & Schjoerring, Jan K., 2016, In: Plant Signaling & Behavior. 11, 11, 3 p., e124525.

    Research output: Contribution to journalJournal articleResearchpeer-review

  49. Published

    Photorespiratory NH4+ production in leaves of wild-type and glutamine synthetase 2 antisense oilseed rape

    Husted, Søren, Mattsson, M., Möllers, C., Wallbraun, M. & Schjoerring, Jan K., 2002, In: Plant Physiology. 130, 2, p. 989-998 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  50. Published

    Photosynthesis in leaves and siliques of winter oilseed rape (Brassica napus L.)

    Gammelvind, L., Schjoerring, Jan K., Mogensen, V. O., Jensen, C. R. & Bock, J. G. H., 1996, In: Plant and Soil. 186, p. 227-236 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

ID: 4226215