Jan Kofod Schjørring

Jan Kofod Schjørring

Professor, emeritus

ORCID: 0000-0002-2852-3298

Publication year:
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51 - 100 out of 317Page size: 50
  1. 1999
  2. 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

  3. 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

  4. 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

  5. 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

  6. 2000
  7. 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 journal › Journal article › Research › peer-review

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

  9. 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 proceeding › Article in proceedings › Research

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

  11. 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 proceeding › Book chapter › Research

  12. Published

    Physiological regulation of plant-atmosphere ammonia exchange

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

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

  13. 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

  14. 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

  15. 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

  16. 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

  17. 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

  18. 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

  19. 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

  20. 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

  21. 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

  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

    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

  24. 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

  25. 2001
  26. 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 journal › Journal article › Research › peer-review

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

  28. 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 proceeding › Article in proceedings › Research

  29. 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

  30. 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 proceeding › Book chapter › Communication

  31. 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

  32. 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

  33. 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

  34. 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

  35. 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

  36. 2002
  37. 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 proceeding › Book chapter › Research

  38. 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 proceeding › Article in proceedings › Research

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

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

  41. 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

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

  43. 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 proceeding › Book chapter › Communication

  44. 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

  45. 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

  46. 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

  47. 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

  48. 2003
  49. 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 proceeding › Article in proceedings › Research

  50. 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 proceeding › Book chapter › Communication

  51. 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/Report › Book › Education

  52. 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

  53. 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

  54. 2004
  55. 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 journal › Journal article › Research › peer-review

  56. 2005
  57. 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 journal › Journal article › Research › peer-review

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