Jan Kofod Schjørring

Jan Kofod Schjørring

Professor, emeritus


  1. 2006
  2. 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

  3. 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

  4. 2005
  5. Published

    A cation exchange resin method for measuring long-term potassium release rates from soil

    Askegaard, M., Hansen, Hans Chr. Bruun & Schjoerring, Jan K., 2005, In: Plant and Soil. 271, 1-2, p. 63-74 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Ammonium homeostasis and nitrogen use efficiency controlled by transport and assimilation

    Jahn, T. P., Møller, A. L. B., Hoopen, F. T., Bienert, G. P., Hegelund, J. N., Holm, L. M., Zeuthen, T., Klærke, Dan Arne, Mohsin, B., Kühlbrandt, W. & Schjoerring, Jan K., 2005, Plant nutrition for food security, human health and environmental protection. Li, C. P. & al., E. (eds.). Tsinghua University Press, p. 204-205 2 p.

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

  7. Published

    Differential Mn efficiency in barley genotypes is related to differences in Mn uptake capacity in the low Mn concentration range

    Pedas, P., Jahn, T. P., Schjoerring, Jan K., Holm, Peter Engelund & Husted, Søren, 2005, Plant nutrition for food security, human health and environmental protection. Li, C. J. & al., E. (eds.). Tsinghua University Press, p. 296-297 2 p.

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

  8. Published

    Differential capacity for high-affinity manganese uptake contributes to differences between barley genotypes in tolerance to low manganese availability

    Pedas, P., Hebbern, C. A., Schjoerring, Jan K., Holm, Peter Engelund & Husted, Søren, 2005, In: Plant Physiology. 139, 3, p. 1411-1420 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Genotypic differences in manganese efficiency: field experiments with winter barley (Hordeum vulgare L.)

    Hebbern, C. A., Pedas, P., Schjoerring, Jan K., Knudsen, L. & Husted, Søren, 2005, In: Plant and Soil. 272, 1-2, p. 233-244 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Glufosinate treatment of weeds results in ammonia emission by plants

    Manderscheid, R., Schaaf, S., Mattsson, M. & Schjoerring, Jan K., 2005, In: Agriculture, Ecosystems & Environment. 109, 1-2, p. 129-140 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. 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 journalJournal articleResearchpeer-review

  12. 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

  13. 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

  14. 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

  15. 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

  16. 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

  17. Published

    The effect of new strategies of nitrogen application on nitrogen uptake and biomass production in potatoes (Solanum tuberosum) during growth.

    Lærke, P. E., Plauborg, F., Schjoerring, Jan K. & Andersen, M. N., 2005, Plant nutrition for food security, human health and environmental protection. Li, C. J. & al., E. (eds.). Tsinghua University Press, p. 282-283 2 p.

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

  18. Published

    The mechanisms of differential manganese efficiency in barley genotypes

    Husted, Søren, Hebbern, C. A., Pedas, P., Laursen, Kristian Holst & Schjoerring, Jan K., 2005, Plant nutrition for food security, human health and environmental protection. Li, C. P. & al., E. (eds.). Tsinghua University Press, p. 98-99 2 p.

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

  19. Published

    The plant nutriome: High-throughput profiling of inorganic elements in plants

    Husted, Søren & Schjoerring, Jan K., 2005, Plant Biotech Denmark. The Royal Veterinary and Agricultural University, Department of Plant Biology, p. 10 1 p.

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

  20. 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

  21. 2004
  22. Published

    Aquaporin homologues in plants and mammals transport ammonia

    Jahn, T. P., Møller, A. L. B., Zeuthen, Thomas, Holm, Lars Morten, Klærke, Dan Arne, Mohsin, B., Kühlbrandt, W. & Schjoerring, Jan K., 2004, In: FEBS Letters. 574, 1-3, p. 31-36 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. 2003
  24. 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

  25. Published

    Plantevækstfaktorer og Afgrødefysiologi B: Vejledning til eksperimentelle øvelser

    Bruun, Sander, Hansen, S., Hebbern, C. A., Jahn, T. P., Jensen, C. R., Jensen, Lars Stoumann, Luxhøi, J., Nielsen, K. H., Petersen, Carsten & Schjoerring, Jan K., 2003, 1-108. Frederiksberg: Samfundslitteratur, 108 p.

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

  26. Published

    Plantevækstfaktorer og afgrødefysiologi: Teoretiske øvelser

    Hansen, S., Husted, Søren, Jensen, C. R., de Neergaard, Andreas, Petersen, Carsten & Schjoerring, Jan K., 2003, Frederiksberg: Samfundslitteratur. 156 p.

    Research output: Book/ReportBookEducation

  27. Published

    Reflectance measurement of canopy biomass and nitrogen status in wheat crops using normalized difference vegetation indices and partial least squares regression

    Hansen, P. M. & Schjoerring, Jan K., 2003, In: Remote Sensing of Environment. 86, 4, p. 542-553 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  28. Published

    Senescence-induced changes in apoplastic and bulk tissue ammonia concentrations of ryegrass leaves

    Mattsson, M. & Schjoerring, Jan K., 2003, In: New Phytologist. 160, 3, p. 489-499 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  29. 2002
  30. Published

    Ammonia exchange at the tree-atmosphere interface

    Høier Nielsen, K., Schjoerring, Jan K., Erisman, J. W. & Pearson, J., 2002, Trace gas exchange in forest ecosystems. Gasche, R., Papen, H. & Rennenberg, H. (eds.). Dordrecht: Kluwer Academic Publishers, p. 159-173 15 p. (Tree Physiology).

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

  31. Published

    Ammonia exchange with vegetation: measurement, modelling and application

    Sutton, M. A., Milford, C., Nemitz, E., Theobald, M. R., Riedo, M., Hargreaves, K. J., Hill, P. W., Dragosits, U., Fowler, D., Schjørring, J. K., Mattsson, M. E., Husted, S., Erisman, J. W., Hensen, A., Mosquera, J., Otjes, R., Cellier, P., Loubet, B., David, M., Neftel, A. & 15 others, Hermann, B., Jones, S. K., Blatter, A., Horvath, L., Weidinger, T., Meszaros, R., Raso, J., Mantzanas, K., Koukoura, Z., Gallagher, M. W., Dorsey, J. R., Flynn, M., Lehman, B., Burkhardt, J. & Dämmgen, U., 2002, Ikke angivet. Midgley, P. M. & Reuther, M. (eds.). Margraf Verlag, p. 49-61 13 p.

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

  32. Published

    Dynamic and steady-state responses of inorganic nitrogen pools and NH3 exchange in leaves of Lolium perenne and Bromus erectus to changes in root nitrogen supply

    Mattsson, M. & Schjoerring, Jan K., 2002, In: Plant Physiology. 128, 2, p. 742-750 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  33. Published

    Effect of NO3- supply on N metabolism of potato plants (Solanum tuberosum L.) with special focus on the tubers

    Mäck, G. & Schjoerring, Jan K., 2002, In: Plant, Cell and Environment. 25, 8, p. 999-1009 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  34. 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

  35. 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

  36. Published

    Plantenæringsstoffer: økologiske atomer med bioteknologisk potentiale

    Schjoerring, Jan K. & Husted, Søren, 2002, Visioner for fremtidens jordbrug. Jensen, E. S., Vejre, H., Bügel, S. H. & Emanuelsson, J. (eds.). København: Gad, p. 141-159 19 p.

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

  37. Published

    Production and consumption of NH4+ and NH3 in trees

    Pearson, J., Woodall, J., Clough, E. C. M., Høier Nielsen, K. & Schjoerring, Jan K., 2002, Trace gas exchange in forest ecosystems. Gasche, R., Papen, H. & Rennenberg, H. (eds.). Dordrecht: Kluwer Academic Publishers, p. 53-77 25 p. (Tree Physiology).

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

  38. Published

    Regulation of the high-affinity ammonium transporter (BnAMT1;2) in the leaves of Brassica napus by nitrogen status

    Pearson, J. N., Finnemann, J. & Schjoerring, Jan K., 2002, In: Plant Molecular Biology. 49, 5, p. 483-490 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  39. Published

    The influence of phosphorus deficiency on growth and nitrogen fixation of white clover plants

    Jensen, H. H., Schjoerring, Jan K. & Soussana, J., 2002, In: Annals of Botany. 90, 6, p. 745-753 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  40. 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

  41. 2001
  42. Published

    A pulse-labelling method to generate 13C- enriched plant materials

    Bromand, S., Whalen, J. K., Janzen, H. H., Schjoerring, Jan K. & Ellert, B. H., 2001, In: Plant and Soil. 235, p. 253-257 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  43. Published

    Biosphere-atmosphere interactions of ammonia with grasslands: experimental strategy and results from a new European initiative

    Sutton, M. A., Milford, C., Nemitz, E., Theobald, M. R., Hill, P. W., Fowler, D., Schjørring, J. K., Mattsson, M. E., Høier Nielsen, K., Husted, S., Erisman, J. W., Otjes, R., Hensen, A., Mosquera, J., Cellier, P., Loubet, B., David, M., Genermont, S., Neftel, A., Blatter, A. & 10 others, Herrmann, B., Jones, S. K., Horvath, L., Führer, E. C., Mantzanas, K., Koukoura, Z., Gallagher, M., Williams, P., Flynn, M. & Riedo, M., 2001, In: Plant and Soil. 228, p. 131-145 15 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  44. 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

  45. 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 proceedingArticle in proceedingsResearch

  46. 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

  47. 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

  48. Published

    Redistribution of sulphur during generative growth of barley plants with different sulphur and nitrogen status

    Eriksen, J., Nielsen, M., Mortensen, J. V. & Schjoerring, Jan K., 2001, In: Plant and Soil. 230, p. 239-246 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  49. Published

    Regrowth and nutrient composition of different plant organs in grass-clover canopies as affected by phosphorus and potassium availability

    Jensen, H. H., Fabricius, V. & Schjoerring, Jan K., 2001, In: Annals of Botany. 88, p. 153-162 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  50. Published

    Rhizodeposition of nitrogen by red clover, white clover and ryegrass leys

    Jensen, H. H. & Schjoerring, Jan K., 2001, In: Soil Biology & Biochemistry. 33, p. 439-448 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  51. 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

  52. 2000
  53. Published

    A ¤critical experimental evaluation of methods for determination of NH4+ in plant tissue, xylem sap and apoplastic fluid

    Husted, Søren, Hebbern, C. A., Mattsson, M. & Schjoerring, Jan K., 2000, In: Physiologia Plantarum : An International Journal for Plant Biology. 109, p. 167-179 13 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  54. Published

    Below-ground nitrogen transfer between different grassland species: direct quantification by 15N leaf feeding compared with indirect dilution of soil 15N

    Jensen, H. H. & Schjoerring, Jan K., 2000, In: Plant and Soil. 227, p. 171-183 13 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  55. Published

    GRAMINAE: quantifying biosphere-atmosphere interactions of ammonia with European grasslands

    Sutton, M. A., Milford, C., Theobald, M. R., Nemitz, E., Fowler, D., Schjørring, J. K., Mattsson, M. E., Husted, S., Erisman, J. W., Otjes, R. P., Hensen, A., Cellier, P., Loubet, B., Neftel, A., Blatter, A., Herrmann, B., Jones, S. K., Horváth, L., Mantzanas, K., Koukoura, Z. & 5 others, Papanastasis, V., Papakosta, D., Williams, P., Gallagher, M. W. & Riedo, M., 2000, EUR. Sutton, M. A., Moreno, J. M., Putten, W. H. V. D. & Struwe, S. (eds.). 19375 ed. Publications Office, p. 117-120 4 p.

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

  56. 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

  57. 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

ID: 4226215