Jan Kofod Schjørring

Jan Kofod Schjørring

Professor, emeritus

ORCID: 0000-0002-2852-3298

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  1. Published

    overview of the EXAMINE experiment

    Sutton, M. A., Nemitz, E., Fowler, D., Wyers, G. P., Otjes, R. P., Schjoerring, Jan K., Husted, Søren, Høier Nielsen, K., José, R. S., Moreno, J., Gallagher, M. W. & Gut, A., 2000, In: Agricultural and Forest Meteorology. 105, p. 327-349 23 p.

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

  2. Published

    Zinc, iron, sulphur and phosphorous interrelationships in the barley grain analyzed by SEC-ICP-MS and LC-ESI-MS

    Persson, Daniel Pergament, Hansen, Thomas Hesselhøj, Laursen, Kristian Holst, Schjoerring, Jan K. & Husted, Søren, 2008. 1 p.

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

  3. Published

    Zinc fluxes into developing barley grains: use of stable Zn isotopes to separate root uptake from remobilization in plants with contrasting Zn status

    Hegelund, J. N., Pedas, P., Husted, Søren, Schiller, M. & Schjoerring, Jan K., 2012, In: Plant and Soil. 361, 1-2, p. 241-250 10 p.

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

  4. Published

    Zinc doped layered double hydroxides: a new source for zinc fertilization

    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. 850-851 2 p.

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

  5. Published

    Zinc deficiency sensing and regulation in plants

    Lilay, Grmay Hailu, Castro, P. H. A. R. F., Almeida, D., Gusmão, J., Saibo, N., Azavedo, H., Aarts, M., Schjoerring, Jan K. & Assuncao, Ana, 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. 536-537 2 p.

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

  6. Published

    Zinc biofortification of cereals: problems and solutions

    Palmgren, Michael, Clemens, S., Williams, L. E., Krämer, U., Borg, S., Schjoerring, Jan K. & Sanders, D., 2008, In: Trends in Plant Science. 13, 9, p. 464-473 10 p.

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

  7. 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 proceeding › Article in proceedings › Research › peer-review

  8. 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 journal › Conference abstract in journal › Research

  9. Published

    Wheat as a dual crop for biorefining: Straw quality parameters and their interactions with nitrogen supply in modern elite cultivars

    Jørgensen, H., van Hecke, J., Zhang, H., Malik, P. L., Felby, C. & Schjoerring, Jan K., 1 Feb 2019, In: GCB Bioenergy. 11, 2, p. 400-415 16 p.

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

  10. Published

    Vertical structure and diurnal variability of ammonia exchange potential within an intensively managed grass canopy

    Herrmann, B., Mattsson, M. E., Jones, S. K., Cellier, P., Milford, C., Sutton, M. A., Schjoerring, Jan K. & Neftel, A., 2009, In: Biogeosciences. 6, 1, p. 15-23 9 p.

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

  11. 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 proceeding › Book chapter › Communication

  12. Published

    Uptake and utilization of atmospheric ammonia in three native Poaceae species: leaf conductances, composition of apoplastic solution and interactions with root nitrogen supply

    Hanstein, S., Mattsson, M., Jaeger, H. & Schjoerring, Jan K., 1999, In: New Phytologist. 141, p. 71-83 13 p.

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

  13. Published

    Two cytosolic glutamine synthetase isoforms play specific roles for seed germination and seed yield structure in Arabidopsis

    Guan, M., Møller, I. S. & Schjoerring, Jan K., 2015, In: Journal of Experimental Botany. Flowering Newsletter. 66, 1, p. 203-212 10 p.

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

  14. Published

    Transmembrane nine proteins in yeast and Arabidopsis affect cellular metal contents without changing vacuolar morphology

    Hegelund, J. N., Jahn, T. P., Bækgaard, L., Palmgren, Michael & Schjoerring, Jan K., 2010, In: Physiologia Plantarum : An International Journal for Plant Biology. 140, 4, p. 355-367 13 p.

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

  15. Published

    Translocation of NH4+ in oilseed rape plants in relation to glutamine synthetase isogene expression and activity

    Finnemann, J. & Schjoerring, Jan K., 2000, Nitrogen in a sustainable ecosystem from the cell to the plant. Martins-Loucão, M. A. & Lips, S. H. (eds.). Leiden: Backhuys Publishers, p. 333-334 2 p.

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

  16. Published

    Translocation of NH4+ in oilseed rape plants in relation to glutamine synthetase isogene expression and activity

    Finnemann, J. & Schjoerring, Jan K., 1999, In: Physiologia Plantarum : An International Journal for Plant Biology. 105, p. 469-477 9 p.

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

  17. Published

    Towards single-cell ionomics: a novel micro-scaled method for multi-element analysis of nanogram-sized biological samples

    Chen, A., Hansen, Thomas Hesselhøj, Olsen, L. I., Palmgren, Michael, Husted, Søren, Schjoerring, Jan K. & Persson, Daniel Pergament, 2020, In: Plant Methods. 16, 13 p., 31.

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

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

  19. Published

    Tissue specific ionomic analysis of barley (Hordeum vulgare) root tissue using Laser Microdissection (LMD) and ICP-MS

    Chen, A., Hansen, Thomas Hesselhøj, Persson, Daniel Pergament, 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. 831-832 2 p.

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

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

  21. 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 proceeding › Article in proceedings › Research

  22. Published

    The ¤effect of P- or K-deficiencies on the structure and quality of grass-clover communities

    Høgh-Jensen, H., Rubæk, G. H. & Schjoerring, Jan K., 2000, Grassland science in Europe. Søegaard, K. . . A. . (ed.). 5 ed. Center for Skov, Landskab og Planlægning/Københavns Universitet, p. 406-408 3 p.

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

  23. Published

    The ¤EXAMINE project: exchange of atmospheric ammonia with European ecosystems

    Sutton, M. A., Nemitz, E., Fowler, D., Wyers, G. P., Otjes, R., José, R. S., Moreno, J., Schjoerring, Jan K., Husted, Søren, Meixner, F. X., Ammann, C., Neftel, A. & Gut, A., 1997, Ikke angivet. Borrell, P. A., Borell, P., Kelly, K. & Seiler, W. (eds.). Computational Mechanics, p. 155-161 7 p.

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

  24. Published

    The use of DGT for prediction of plant available copper, zinc and phosphorus in agricultural soils

    Tandy, S., Mundus, S., Yngvesson, J. P. A., de Bang, T. C., Lombi, E., Schjoerring, Jan K. & Husted, Søren, 2011, In: Plant and Soil. 346, 1-2, p. 167-180 14 p.

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

  25. Published

    The speciation of Zn, Fe, S and P in cereal grain tissue using LC-ICPMS and LC-ESIMS

    Husted, Søren, Persson, Daniel Pergament, Hansen, Thomas Hesselhøj & Schjoerring, Jan K., 2009. 1 p.

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

  26. Published

    The source of inorganic nitrogen has distinct effects on cell wall composition in Brachypodium distachyon

    Głazowska, S., Baldwin, L., Mravec, Jozef, Bukh, C., Fangel, J. U., Willats, W. G. & Schjoerring, Jan K., 1 Nov 2019, In: Journal of Experimental Botany. 70, 21, p. 6461-6473

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

  27. Published

    The slippery slope of cisgenesis

    Eriksson, U. D., Stymne, S. & Schjoerring, Jan K., 2014, In: Nature Biotechnology. 32, 1 p., 727.

    Research output: Contribution to journal › Comment/debate › Research › peer-review

  28. Published

    The search for candidate genes associated with natural variation of grain Zn accumulation in barley

    Detterbeck, A., Nagel, M., Rensch, S., Weber, M., Börner, A., Persson, Daniel Pergament, Schjoerring, Jan K., Christov, V. & Clemens, S., 2 Jul 2019, In: Biochemical Journal. 476, 13, p. 1889-1909

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

  29. Published

    The role of atomic spectrometry in plant science

    Husted, Søren, Persson, Daniel Pergament, Laursen, Kristian Holst, Hansen, Thomas Hesselhøj, Pedas, P., Schiller, M., Hegelund, J. N. & Schjoerring, Jan K., 2011, In: Journal of Analytical Atomic Spectrometry. 26, p. 52-79 28 p.

    Research output: Contribution to journal › Review › Research › peer-review

  30. Published

    The potential for biorefining of triticale to protein and sugar depends on nitrogen supply and harvest time

    Jørgensen, H., Thomsen, Sune Tjalfe & Schjoerring, Jan K., 2020, In: Industrial Crops and Products. 112333.

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

  31. 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 proceeding › Conference abstract in proceedings › Research

  32. Published

    The molecular–physiological functions of mineral macronutrients and their consequences for deficiency symptoms in plants

    de Bang, T. C., Husted, Søren, Laursen, Kristian Holst, Persson, Daniel Pergament & Schjoerring, Jan K., 2021, In: New Phytologist. 229, 5, p. 2446-2469 24 p.

    Research output: Contribution to journal › Review › Research › peer-review

  33. 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 proceeding › Conference abstract in proceedings › Research

  34. Published

    The iron-regulated transporter 1 plays an essential role in uptake, translocation and grain-loading of manganese, but not iron, in barley

    Long, L., Persson, Daniel Pergament, Duan, F., Jørgensen, Kirsten, Yuan, L., Schjoerring, Jan K. & Pedas, P. R., 2018, In: New Phytologist. 217, 4, p. 1640-1653 14 p.

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

  35. Published

    The iron-regulated transporter 1 (IRT1) plays an essential role in uptake, translocation and grain-loading of manganese in barley

    Long, L., Persson, Daniel Pergament, Duan, F., Jørgensen, Kirsten, Yuan, L., Schjoerring, Jan K. & Pedas, P. R., 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. 917-918 2 p.

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

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

  37. Published

    The impact of silicon on cell wall composition and enzymatic saccharification of Brachypodium distachyon

    Glazowska, S. E., Baldwin, L. A., Mravec, Jozef, Bukh, C., Hansen, Thomas Hesselhøj, Jensen, M. M., Fangel, J. U., Willats, W. G. T., Glasius, M., Felby, C. & Schjoerring, Jan K., 20 Jun 2018, In: Biotechnology for Biofuels. 11, 18 p., 171.

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

  38. Published

    The effects of the loss of TIP1;1 and TIP1;2 aquaporins in Arabidopsis thaliana

    Schüssler, M. D., Alexandersson, E., Bienert, G. P., Kichey, T. M. R., Laursen, Kristian Holst, Johanson, U., Kjellbom, P., Schjoerring, Jan K. & Jahn, T. P., 2008, In: Plant Journal. 56, 5, p. 756-767 12 p.

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

  39. Published

    The effects of management on ammonia fluxes over a cut grassland as measured by use of dynamic chambers

    David, M., Roche, R., Mattsson, M. E., Sutton, M. A., Dämmgen, U., Schjoerring, Jan K. & Cellier, P., 2009, In: Biogeosciences Discussions. 6, 1, p. 1599-1623 25 p.

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

  40. 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 proceeding › Conference abstract in proceedings › Research

  41. Published

    The analysis of ammonium in plant tissues

    Husted, Søren, Hebbern, C. A., Mattsson, M. & Schjoerring, Jan K., 2000, Nitrogen in a sustainable ecosystem from the cell to the plant. Martins-Loucão, M. A. & Lips, S. H. (eds.). Leiden: Backhuys Publishers, p. 287-290 4 p.

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

  42. Published

    The Intensity of Manganese Deficiency Strongly Affects Root Endodermal Suberization and Ion Homeostasis

    Chen, A., Husted, Søren, Salt, D. E., Schjoerring, Jan K. & Persson, Daniel Pergament, Oct 2019, In: Plant Physiology. 181, 2, p. 729-742

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

  43. Published

    The Arabidopsis ATP-binding cassette protein AtMRP5/AtABCC5 is a high-affinity inositol hexakisphosphate transporter involved in guard cell signaling and phytate storage

    Nagy, R., Grob, H., Weder, B., Green, P., Klein, M., Frelet-Barrand, A., Schjoerring, Jan K., Brearley, C. & Martinola, E., 2009, In: Journal of Biological Chemistry. 284, 48, p. 33614-33622 9 p.

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

  44. Published

    Teoretiske øvelser i Planternes Ernæring på kurset: Plantevækstfaktorer og afgrødefysiologi A & B

    Husted, Søren, Høgh-Jensen, H., Jensen, Lars Stoumann, Magid, Jakob, Mattsson, M., Mueller, T., Nielsen, N. E., Schjoerring, Jan K. & Wollenweber, B., 1996

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

  45. Published

    Temporal variability in bioassays of the stomatal ammonia compensation point in relation to plant and soil nitrogen parameters in intensively managed grassland

    Mattsson, M. E., Herrmann, B., David, M., Loubet, B., Riedo, M., Theobald, M. R., Sutton, M. A., Bruhn, D., Neftel, A. & Schjoerring, Jan K., 2009, In: Biogeosciences. 6, 2, p. 171-179 9 p.

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

  46. Published

    Temporal and Spatial Patterns of Zinc and Iron Accumulation during Barley (Hordeum vulgare L.) Grain Development

    Detterbeck, A., Pongrac, P., Persson, Daniel Pergament, Vogel-Mikus, K., Kelemen, M., Vavpetic, P., Pelicon, P., Arcon, I., Husted, Søren, Schjoerring, Jan K. & Clemens, S., 2020, In: Journal of Agricultural and Food Chemistry. 68, 44, p. 12229-12240 12 p.

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

  47. Published

    TERICA working group 6: trace gas fluxes and ecosystem functioning

    Sutton, M. A., Chapman, S., Christensen, T., Emmett, B., Erisman, J. W., Fowler, D., Hoosbeek, M. R., Jones, M., Milford, C., Nemitz, E., Pilegaard, K., Riedo, M., Schjoerring, Jan K. & Wookey, P. A., 2000, EUR. Sutton, M. A., Moreno, J. M., Putten, W. H. V. D. & Struwe, S. (eds.). 19375 ed. Publications Office, p. 65-74 10 p.

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

  48. Published

    Symbiotic N2-fixation by the cover crop Pueraria phaseoloides as influenced by litter mineralization

    Vesterager, J. M., Østerby, S., Jensen, E. S. & Schjoerring, Jan K., 1995, In: Plant and Soil. 177, p. 1-10 10 p.

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

  49. Published

    Sustainable plant production in a changing world - formation of a cross-faculty network

    Strandmark, L. B., Schjoerring, Jan K., Christensen, Søren, Nybroe, O., Torp, J., Eilenberg, Jørgen, Munk, Lisa, Rønn, Regin, Ciofu, Oana, Bruun, Sander & Ørum, Jens Erik, 2009, In: IOP Conference Series: Earth and Environmental Science. 6, Session 34, 2 p., 342014.

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

  50. Published

    Sustainable plant production in a changing world - a cross Faculty research network at KU

    Strandmark, L. B., Schjoerring, Jan K., Christensen, Søren, Nybroe, O., Pedersen, J. G. T., Eilenberg, Jørgen, Munk, Lisa, Rønn, Regin, Ciofu, Oana, Bruun, Sander & Ørum, Jens Erik, 2009.

    Research output: Contribution to conference › Poster › Research

  51. Published

    Surface/atmosphere exchange and chemical interaction of gases and aerosols over oilseed rape

    Nemitz, E., Sutton, M. A., Wyers, G. P., Otjes, R. P., Schjoerring, Jan K., Gallagher, M. W., Parrington, J., Fowler, D. & Choularton, T. W., 2000, In: Agricultural and Forest Meteorology. 105, p. 427-445 19 p.

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

  52. Published

    Suppression of C-hordein synthesis in barley by antisense constructs results in a more balanced amino acid composition

    Lange, M., Vincze, E., Wieser, H., Schjoerring, Jan K. & Holm, P. B., 2007, In: Journal of Agricultural and Food Chemistry. 55, 15, p. 6074-6081 8 p.

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

  53. Published

    Structural and chemical analysis of process residue from biochemical conversion of wheat straw (Triticum aestivum L.) to ethanol

    Hansen, M. A. T., Jørgensen, H., Laursen, Kristian Holst, Schjoerring, Jan K. & Felby, C., 2013, In: Biomass & Bioenergy. 56, p. 572-581 10 p.

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

  54. Published

    Stomatal compensation points for ammonia in oilseed rape plants under field conditions

    Husted, Søren, Schjoerring, Jan K., Høier Nielsen, K., Nemitz, E. & Sutton, M. A., 2000, In: Agricultural and Forest Meteorology. 105, p. 371-383 13 p.

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

  55. Published

    Specific aquaporins facilitate the diffusion of hydrogen peroxide across membranes

    Bienert, G. P., Møller, A. L. B., Kristiansen, K. A., Schulz, Alexander, Møller, I. M., Schjoerring, Jan K. & Jahn, T. P., 2007, In: Journal of Biological Chemistry. 282, 2, p. 1183-1192 10 p.

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

  56. Published

    Special topics in potassium and magnesium research

    Cakmak, I. & Schjoerring, Jan K., 2008, In: Physiologia Plantarum : An International Journal for Plant Biology. 133, 4, p. 623 1 p.

    Research output: Contribution to journal › Editorial › Research

  57. Published

    Sources and sinks of ammonia within an oilseed rape canopy

    Nemitz, E., Sutton, M. A., Gut, A., José, R. S., Husted, Søren & Schjoerring, Jan K., 2000, In: Agricultural and Forest Meteorology. 105, p. 385-404 20 p.

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

  58. Published

    Solution scenarios and the effect of top down versus bottom up N mitigation measures: Experiences from the Danish Nitrogen Assessment

    Dalgaard, T., Brock, S., Børgesen, C. D., Graversgaard, M., Hansen, B., Hasler, B., Hertel, O., Hutchings, N. J., Jacobsen, B., Jensen, Lars Stoumann, Kjeldsen, C., Olesen, J. E., Schjoerring, Jan K., Sigsgaard, T., Andersen, Peter Stubkjær, Termansen, Mette, Vejre, Henrik, Odgaard, M. V., de Vries, W. & Wiborg, I., 2016. 4 p.

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

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

  60. Published

    Simultaneous speciation analysis of Fe, Zn, S and P using the 7500ce with O2 cell gas

    Persson, Daniel Pergament, Schjoerring, Jan K. & Husted, Søren, 2010, In: Agilent ICP-MS Journal. 41, p. 6-7 2 p.

    Research output: Contribution to journal › Journal article › Research

  61. Published

    Simultaneous iron, zinc, sulfur and phosphorus speciation analysis of barley grain tissues using SEC-ICP-MS and IP-ICP-MS

    Persson, Daniel Pergament, Hansen, Thomas Hesselhøj, Laursen, Kristian Holst, Schjoerring, Jan K. & Husted, Søren, 2009, In: Metallomics. 1, 5, p. 418-426 9 p.

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

  62. Published

    Silicon enhances leaf remobilization of iron in cucumber under limited iron conditions

    Pavlovic, J., Samardzic, J., Kostic, L., Laursen, Kristian Holst, Natic, M., Timotijevic, G., Schjoerring, Jan K. & Nikolic, M., 2016, In: Annals of Botany. 118, 2, p. 271-280 10 p.

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

  63. Published

    Silicon alleviates iron deficiency in cucumber by promoting mobilization of iron in the root apoplast

    Pavlovic, J., Samardzic, J., Maksimović, V., Timotijevic, G., Stevic, N., Laursen, Kristian Holst, Hansen, Thomas Hesselhøj, Husted, Søren, Schjoerring, Jan K., Liang, Y. & Nikolic, M., 2013, In: New Phytologist. 198, 4, p. 1096-1107 12 p.

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

  64. Published

    Silicon affects seed development and leaf macrohair formation in Brachypodium distachyon

    Glazowska, S. E., Murozuka, E., Persson, Daniel Pergament, Castro, P. H. A. R. F. & Schjoerring, Jan K., 2018, In: Physiologia Plantarum. 163, 2, p. 231-246 16 p.

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

  65. Published

    Shoot nutrient indices as indicators of nitrogen, phosphorus and potassium deficiencies in grassland

    Høgh-Jensen, H. & Schjoerring, Jan K., 2000, Ikke angivet. Lithuanian Institute of Agriculture, p. 124-131 8 p.

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

  66. Published

    Sensitive detection of phosphorus deficiency in plants using chlorophyll a fluorescence

    Frydenvang, Jens, van Maarschalkerweerd, M., Carstensen, A., Mundus, S., Schmidt, Sidsel Birkelund, Pedas, P. R., Laursen, Kristian Holst, Schjoerring, Jan K. & Husted, Søren, 2015, In: Plant Physiology. 169, 1, p. 353-361 9 p.

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

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

  68. Published

    Seasonal variation in nitrogen pools and 15N/13C natural abundances in different tissues of grassland plants

    Wang, L. & Schjoerring, Jan K., 2012, In: Biogeosciences. 9, p. 1583-1595 13 p.

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

  69. Published

    Seasonal variation in ammonia compensation point and nitrogen pools in beech leaves (Fagus sylvatica)

    Wang, L., Xu, Y. & Schjoerring, Jan K., 2011, In: Plant and Soil. 343, 1-2, p. 51-66 16 p.

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

  70. Published

    SURFATM-NH3: a model combining the surface energy balance and bi-directional exchanges of ammonia applied at the field scale

    Personne, E., Loubet, B., Herrmann, B., Mattsson, M. E., Schjoerring, Jan K., Nemitz, E., Sutton, M. A. & Cellier, P., 2009, In: Biogeosciences. 6, 8, p. 1371-1388 18 p.

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

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

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

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

  74. Published

    Responses of barley root and shoot proteomes to long-term nitrogen deficiency, short-term nitrogen starvation and ammonium

    Laurell Blom Møller, A., Pedas, P., Andersen, B., Svensson, B., Schjoerring, Jan K. & Finnie, C., 2011, In: Plant, Cell and Environment. 34, 12, p. 2024-2037 14 p.

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

  75. 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 journal › Conference article › Research › peer-review

  76. Published

    Resistance modelling of ammonia exchange over oilseed rape

    Nemitz, E., Sutton, M. A., Schjoerring, Jan K., Husted, Søren & Wyers, G. P., 2000, In: Agricultural and Forest Meteorology. 105, p. 405-425 21 p.

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

  77. Published

    Residual nitrogen pools in mature winter wheat straw as affected by nitrogen application

    Van Hecke, J., La Cour, R., Jørgensen, H. & Schjoerring, Jan K., 2020, In: Plant and Soil. 453, 1-2, p. 561-575

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

  78. Published

    Residual nitrogen effect of clover-ryegrass swards on yield and N uptake of a subsequent winter wheat crop as studied by use of 15N methodology and mathematical modelling

    Jensen, H. H. & Schjoerring, Jan K., 1997, In: European Journal of Agronomy. 6, p. 235-243 9 p.

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

  79. Published

    Residual nitrogen effect of clover-ryegrass sward on a subsequent cereal crop as studied by 15N methodology and mathematical modelling

    Høgh-Jensen, H. & Schjoerring, Jan K., 1996, Ikke angivet. Raupp, J. (ed.). Institute for Biodynamic Research, 12 p.

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

  80. 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 proceeding › Conference abstract in proceedings › Research

  81. Published

    Regulation of the hvst1 gene encoding a high-affinity sulfate transporter from Hordeum vulgare

    Vidmar, J. J., Schjoerring, Jan K., Touraine, B. & Glass, A. D. M., 1999, In: Plant Molecular Biology. 40, p. 883-892 10 p.

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

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

  83. Published

    Regulation of the expression of two new members of the BCH family of genes, BCH3 and BCH4, which encode inducible high affinity nitrate transporters in Hordeum vulgare, with relation to nitrate influx

    Vidmar, J. J., Zhuo, D., Siddiqi, M. Y., Schjoerring, Jan K., Touraine, B. & Glass, A. D. M., 1999, Ikke angivet. Gissel-Nielsen, G. & Jensen, A. (eds.). Humana Press, p. 83-94 12 p.

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

  84. Published

    Regulation of high-affinity nitrate transporter genes and high-affinity nitrate influx by nitrogen pools in roots of barley

    Vidmar, J. J., Zhuo, D., Siddiqi, M. Y., Schjoerring, Jan K., Touraine, B. & Glass, A. D. M., 2000, In: Plant Physiology. 123, p. 307-318 12 p.

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

  85. Published

    Regulation of apoplastic NH4+ concentration in leaves of oilseed rape

    Høier Nielsen, K. & Schjoerring, Jan K., 1998, In: Plant Physiology. 118, p. 1361-1368 8 p.

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

  86. 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 proceeding › Article in proceedings › Research

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

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

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

  90. Published

    Recent developments in plant tissue analysis

    Laursen, Kristian Holst, Hansen, Thomas Hesselhøj, Persson, Daniel Pergament, Schjoerring, Jan K. & Husted, Søren, 2009, The proceedings of the International Plant Nutrition Colloquium. Department of Plant Sciences, University of California, Davis, 5 p.

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

  91. 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 proceeding › Book chapter › Communication

  92. Published

    Quantification of ammonia exchange over agricultural cropland

    Schjoerring, Jan K., 1996.

    Research output: Contribution to conference › Paper › Research

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

  94. Published

    På sporet af "Det økologiske fingeraftryk"

    Laursen, Kristian Holst, Schjoerring, Jan K. & Husted, Søren, 2010, Plantekongres 2010: sammendrag af indlæg: 12-14 januar i Herning Kongrescenter. Dansk Landbrugsrådgivning, p. 394-395 2 p.

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

  95. 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 proceeding › Book chapter › Research

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

  97. Published

    Proceedings Book XVIII International Plant Nutrition Colloquium: with Boron and Manganese Satellite Meeting

    Carstensen, A. (ed.), Laursen, Kristian Holst (ed.) & Schjoerring, Jan K. (ed.), 2017, Department of Plant and Environmental Sciences, University of Copenhagen. 948 p.

    Research output: Book/Report › Book › Research

  98. Published

    Post-translational regulation of cytosolic glutamine synthetase by reversible phosphorylation and 14-3-3 protein interaction

    Finnemann, J. & Schjoerring, Jan K., 2000, In: Plant Journal. 24, 2, p. 171-181 11 p.

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

  99. Published

    Policies for agricultural nitrogen management-trends, challenges and prospects for improved efficiency in Denmark

    Dalgaard, T., Hansen, B., Hasler, B., Hertel, O., Hutchings, N. J., Jacobsen, Brian H., Jensen, Lars Stoumann, Kronvang, B., Olesen, J. E., Schjoerring, Jan K., Kristensen, I. S., Graversgaard, M., Termansen, M. & Vejre, Henrik, 2014, In: Environmental Research Letters. 9, 11, 115002.

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

  100. Published

    Pod photosynthesis and drought adaptation of field grown rape (Brassica napus L.)

    Mogensen, V. O., Jensen, C. R., Mortensen, G., Andersen, M. N., Schjoerring, Jan K., Thage, J. H. & Koribidis, J., 1997, In: European Journal of Agronomy. 6, p. 295-307 13 p.

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

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