Jan Kofod Schjørring

Jan Kofod Schjørring

Professor, emeritus

ORCID: 0000-0002-2852-3298

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  1. Published

    Metallothioneins - What Are Their Physiological Functions in Barley?

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

    Research output: Contribution to conference › Poster › Research

  2. 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 journal › Journal article › Research › peer-review

  3. 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 journal › Journal article › Research › peer-review

  4. 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 journal › Journal article › Research › peer-review

  5. 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 journal › Journal article › Research › peer-review

  6. Published

    Measurements and modelling of NH3 fluxes with European ecosystems

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

    Research output: Contribution to conference › Paper › Research

  7. 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 proceeding › Book chapter › Communication

  8. 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 journal › Journal article › Research › peer-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 conference › Paper › Research

  10. 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 journal › Journal article › Research › peer-review

  11. 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 journal › Review › Research › peer-review

  12. 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 journal › Journal article › Research › peer-review

  13. 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 journal › Journal article › Research › peer-review

  14. 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 journal › Journal article › Research › peer-review

  15. 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 journal › Journal article › Research › peer-review

  16. 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 journal › Journal article › Research › peer-review

  17. 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 journal › Journal article › Research › peer-review

  18. Published

    Latent manganese deficiency in barley can be diagnosed and remediated on the basis of chlorophyll a fluorescence measurements

    Schmidt, Sidsel Birkelund, Pedas, P., Laursen, Kristian Holst, Schjoerring, Jan K. & Husted, Søren, 2013, In: Plant and Soil. 372, 1-2, p. 417-429 13 p.

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

  19. 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 proceeding › Article in proceedings › Research

  20. Published

    Kompendium i planternes ernæring i land- og havebrug

    Jensen, Lars Stoumann, Eppendorfer, W. H., Magid, Jakob, Nielsen, N. E. & Schjoerring, Jan K., 1996, København: DSR. 411 p.

    Research output: Book/Report › Book › Education

  21. Published

    Kinetics of nitrate and ammonium absorption and accompanying H+ fluxes in roots of Lolium perenne L. and N2-fixing Trifolium repens L.

    Jensen, H. H., Wollenweber, B. & Schjoerring, Jan K., 1997, In: Plant, Cell and Environment. 20, p. 1184-1192 9 p.

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

  22. Published

    Kinetics of NH4+ and NO3-absorption and H+ fluxes in ryegrass and N2-fixing white clover

    Høgh-Jensen, H., Wollenweber, B. & Schjoerring, Jan K., 1998, Current plant science and biotechnology in agriculture. Elmerich, C., Kondorosi, A. & Newton, W. E. (eds.). 31 ed. Kluwer Academic Publishers, p. 162 1 p.

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

  23. Published

    Jord, vand og planter: kursus 250021

    Borggaard, Ole K., Hansen, S., Holm, Peter Engelund, Husted, Søren, Jensen, C. R., Petersen, Carsten & Schjoerring, Jan K., 2007, København: Institut for Grundvidenskab. 289 p.

    Research output: Book/Report › Compendium/lecture notes › Education

  24. Published

    Jord, vand og planter: kursus 250021, 2009-10

    Borggaard, Ole K., Hansen, S., Holm, Peter Engelund, Husted, Søren, Jensen, C. R., Petersen, Carsten & Schjoerring, Jan K., 2009, Institut for Grundvidenskab og Miljø, Københavns Universitet. 280 p.

    Research output: Book/Report › Compendium/lecture notes › Education

  25. Published

    Jord, vand og planter: kursus 250021

    Borggaard, Ole K., Hansen, S., Holm, Peter Engelund, Husted, Søren, Jensen, C. R., Petersen, Carsten & Schjoerring, Jan K., 2008, Department of Basic Sciences and Environment, University of Copenhagen. 279 p.

    Research output: Book/Report › Compendium/lecture notes › Education

  26. 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 journal › Journal article › Research

  27. Published

    Isolation and characterization of a high affinity SO42-transporter from Hordeum vulgare cv. Klondike

    Vidmar, J. J., Schjoerring, Jan K. & Glass, A. D. M., 1997, Ikke angivet. Cram, W. J., Kok, L. J. D., Stulen, I., Brunold, C. & Rennenberg, H. (eds.). Backhuys Publishers, p. 173-175 3 p.

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

  28. Published

    Is it really organic? – Multi-isotopic analysis as a tool to discriminate between organic and conventional plants

    Laursen, Kristian Holst, Mihailova, A., Kelly, S. D., Epov, V. N., Berail, S., Schjoerring, Jan K., Donard, O. F. X., Larsen, E. H., Pedentchouk, N., Marca-Bell, A. D., Halekoh, U., Olesen, J. E. & Husted, Søren, 2013, In: Food Chemistry. 141, 3, p. 2812-2820 9 p.

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

  29. Published

    Iron fortification of rice seeds through activation of the nicotianamine synthase gene

    Lee, S., Jeon, U. S., Lee, S. J., Kim, Y., Persson, Daniel Pergament, Husted, Søren, Schjoerring, Jan K., Kakei, Y., Masuda, H., Nishizawa, N. K. & An, G., 2009, In: Proceedings of the National Academy of Science of the United States of America. 106, 51, p. 22014-22019 6 p.

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

  30. Published

    Investigation of the individual cytosolic glutamine synthetase genes in Arabidopsis and their function in plant N metabolism

    Møller, I. S. & Schjoerring, Jan K., 2010.

    Research output: Contribution to conference › Conference abstract for conference › Research

  31. 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 journal › Journal article › Research › peer-review

  32. Published

    Interactions between white clover and ryegrass under contrasting nitrogen availability: N2 fixation, N fertilizer recovery, N transfer and water use efficiency

    Jensen, H. H. & Schjoerring, Jan K., 1997, In: Plant and Soil. 197, p. 187-199 13 p.

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

  33. Published

    Interactions between uptake of amino acids and inorganic nitrogen in wheat plants

    Gioseffi, E., de Neergaard, Andreas & Schjoerring, Jan K., 2012, In: Biogeosciences. 9, p. 1509-1518 10 p.

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

  34. Published

    Interactions between nitrogen, phosphorus and potassium determine growth and N2-fixation in white clover and ryegrass leys

    Jensen, H. H. & Schjoerring, Jan K., 2010, In: Nutrient Cycling in Agroecosystems. 87, 3, p. 327-338 12 p.

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

  35. Published

    Interactions between leaf nitrogen status and longevity in relation to N cycling in three contrasting European forest canopies

    Wang, L., Ibrom, A., Korhonen, J. F. J., Frumau, K. F. A., Wu, J., Pihlatie, M. & Schjoerring, Jan K., 2013, In: Biogeosciences. 10, p. 999-1011 13 p.

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

  36. Published

    Inorganic nitrogen absorption by plant roots: physiology and molecular biology

    Glass, A. D. M., Erner, Y., Hunt, T., Kronzucker, H. J., Okamoto, M., Rawat, S., Silim, S., Schjoerring, Jan K., Siddiqi, M. Y., Vidmar, J. J., Wang, M. Y. & Zhuo, D., 1999, Ikke angivet. Gissel-Nielsen, G. & Jensen, A. (eds.). Humana Press, p. 1-16 16 p.

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

  37. Published

    Influence of nitrogen nutrition and metabolism on ammonia volatilization in plants

    Mattsson, M., Husted, Søren & Schjoerring, Jan K., 1998, In: Nutrient Cycling in Agroecosystems. 51, p. 35-40 6 p.

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

  38. Published

    Influence of nitrogen and sulphur form on manganese acquisition by barley (Hordeum vulgare)

    Husted, Søren, Thomsen, M. U., Mattsson, M. & Schjoerring, Jan K., 2005, In: Plant and Soil. 268, 1-2, p. 309-317 9 p.

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

  39. Published

    Induction and growth of potato tubers as affected by nitrate

    Maeck, G. & Schjoerring, Jan K., 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. 130-131 2 p.

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

  40. Published

    Improving nitrogen use efficiency in barley through the cisgenic approach

    Kichey, T. M. R., Holme, I., Møller, I. S., Jahn, T. P., Holm, P. B. & Schjoerring, Jan K., 2009.

    Research output: Contribution to conference › Poster › Research

  41. Published

    Improving nitrogen use efficiency in barley (Hordeum vulgare L.) through the cisgenic approach

    Kichey, T. M. R., Holme, I., Møller, I. S., Jahn, T. P., Holm, P. B. & Schjoerring, Jan K., 2009, The proceedings of the International Plant Nutrition Colloquium XVI, UC Davis. eScholarship, University of California, 4 p.

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

  42. Published

    Improvement of Tryptophan Analysis by Liquid Chromatography-Single Quadrupole Mass Spectrometry Through the Evaluation of Multiple Parameters

    la Cour, R., Jørgensen, H. & Schjoerring, Jan K., 19 Nov 2019, In: Frontiers in Chemistry. 7, p. 1-7 797.

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

  43. 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 conference › Paper › Research

  44. 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 conference › Conference abstract for conference › Research

  45. 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 conference › Conference abstract for conference › Research

  46. 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 proceeding › Conference abstract in proceedings › Research

  47. Published

    Identification and characterization of zinc-starvation-induced ZIP transporters from barley roots

    Pedas, P., Schjoerring, Jan K. & Husted, Søren, 2009, In: Plant Physiology and Biochemistry. 47, 5, p. 377-383 7 p.

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

  48. 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 proceeding › Book chapter › Research › peer-review

  49. Published

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

    Persson, D. P., Hansen, Thomas Hesselhøj, Laursen, Kristian Holst, Husted, Søren & Schjoerring, Jan K., 2012, Plant Metabolomics: Methods and Protocols. Hardy, N., Hall, R. & Hall, R. (eds.). Springer, p. 193-211 19 p. (Methods in Molecular Biology, Vol. 860).

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

  50. Published

    HvlRT1,a Mn2+transport protein contributing to Mn efficiency

    Pedas, P., Fuglsang, A. T., Jahn, T. P., Schjoerring, Jan K., Ytting, C. K. & Husted, Søren, 2008, In: Physiologia Plantarium. 3, p. 219 1 p.

    Research output: Contribution to journal › Conference abstract in journal › Research

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