Jan Kofod Schjørring

Jan Kofod Schjørring

Professor, emeritus

ORCID: 0000-0002-2852-3298

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  1. 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

  2. Published

    Enhancing Protein Recovery in Green Biorefineries by Lignosulfonate-Assisted Precipitation

    la Cour, R., Schjoerring, Jan K. & Jørgensen, H., Dec 2019, In: Frontiers in Sustainable Food Systems. 3, p. 1-9 112.

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

  3. Published

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

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

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

  4. Published

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

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

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

  5. Published

    A laser ablation ICP-MS based method for multiplexed immunoblot analysis: applications to manganese-dependent protein dynamics of photosystem II in barley (Hordeum vulgare L.)

    de Bang, T. C., Petersen, J., Pedas, P. R., Rogowska-Wrzesinska, A., Jensen, O. N., Schjoerring, Jan K., Jensen, Poul Erik, Thelen, J. J. & Husted, Søren, 2015, In: Plant Journal. 83, 3, p. 555-565 11 p.

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

  6. 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

  7. Published

    Effects of silicon on the activities of defense-related enzymes in cucumber inoculated with Pseudoperonospora cubensis

    Yu, Y., Schjoerring, Jan K. & Du, X., 2011, In: Journal of Plant Nutrition. 34, 2, p. 243-257 15 p.

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

  8. Published

    Elevated atmospheric CO2 decreases the ammonia compensation point of barley plants

    Wang, L., Pedas, P., Eriksson, U. D. & Schjoerring, Jan K., 2013, In: Journal of Experimental Botany. 64, 10, p. 2713-2724 12 p.

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

  9. 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

  10. Published

    Effects of elevated atmospheric CO2 on physiology and yield of wheat (Triticum aestivum L.): a meta-analytic test of current hypotheses

    Wang, L., Feng, Z. & Schjoerring, Jan K., 2013, In: Agriculture, Ecosystems & Environment. 178, p. 57-63 7 p.

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

  11. 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

  12. 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

  13. 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

  14. 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

  15. 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

  16. 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

  17. 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

  18. Published

    Dinitrogen fixation in white clover grown in pure stand and mixture with ryegrass estimated by the immobilized 15N isotope dilution method

    Vanman Jørgensen, F., Jensen, E. S. & Schjoerring, Jan K., 1999, In: Plant and Soil. 208, p. 293-305 13 p.

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

  19. 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

  20. Published

    Green biorefining: Effect of nitrogen fertilization on protein yield, protein extractability and amino acid composition of tall fescue biomass

    Ugilt Larsen, S., Jørgensen, H., Bukh, C. & Schjoerring, Jan K., 1 Apr 2019, In: Industrial Crops and Products. 130, p. 642-652 11 p.

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

  21. Published

    Cytosolic glutamine synthetase: a target for improvement of crop nitrogen use efficiency?

    Thomsen, H. C., Eriksson, U. D., Møller, I. S. & Schjoerring, Jan K., 2014, In: Trends in Plant Science. 19, 10, p. 656-663 8 p.

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

  22. 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

  23. Published

    Challenges in quantifying biosphere-atmosphere exchange of nitrogen species

    Sutton, M. A., Nemitz, E., Erisman, J. W., Beier, C., Bahl, K. B., Cellier, P., Vries, W. D., Cotrufo, F., Skiba, U., Marco, C. D., Jones, S., Laville, P., Soussana, J. F., Loubet, B., Twigg, M., Famulari, D., Whitehead, J., Gallagher, N. W., Neftel, A., Flechard, C. R. & 27 others, Herrmann, B., Calanca, P. L., Schjoerring, Jan K., Daemmgen, U., Horvath, L., Tang, Y. S., Emmett, B. A., Tietema, A., Peñuelas, J., Kesik, D., Brueggemann, N., Pilegaard, K., Vesala, T., Campbell, C. L., Olesen, J. E., Dragosits, U., Theobald, M. R., Levy, P., Mobbs, D. C., Milne, R., Viovy, N., Vuichard, N., Smith, J. U., Smith, P., Bergamaschi, P., Fowler, D. & Reis, S., 2007, In: Environmental Pollution. 150, 1, p. 125-139 15 p.

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

  24. 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

  25. Published

    Measurements and modelling of NH3 fluxes with European ecosystems

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

    Research output: Contribution to conference › Paper › Research

  26. Published

    Dynamics of ammonia exchange with cut grassland: synthesis of results and conclusions of the GRAMINAE Integrated Experiment

    Sutton, M. A., Nemitz, E., Milford, C., Campbell, C., Erisman, J. W., Hensen, E., Cellier, P., David, M., Loubet, B., Personne, E., Schjørring, J. K., Mattsson, M. E., Dorsey, J. R., Gallagher, M. W., Horvath, L., Weidinger, T., Meszaros, R., Dämmgen, U., Neftel, A., Herrmann, B. & 3 others, Lehman, B. E., Flechard, C. & Burkhardt, J., 2009, In: Biogeosciences. 6, 12, p. 2907-2934 28 p.

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

  27. 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

  28. 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

  29. Published

    Dynamics of ammonia exchange with cut grassland: strategy and implementation of the GRAMINAE integrated experiment

    Sutton, M. A., Nemitz, E., Theobald, M. R., Milford, C., Dorsey, J. R., Gallagher, M. W., Hensen, A., Jongejean, P. A. C., Erisman, J. W., Mattsson, M. E., Schjørring, J. K., Cellier, P., Loubet, B., Roche, R., Neftel, A., Herrmann, B., Jones, S. K., Lehman, B. E., Horvath, L., Weidinger, T. & 4 others, Rajkai, K., Burkhardt, J., Löpmeier, F. J. & Daemmgen, U., 2009, In: Biogeosciences. 6, 3, p. 309-331 23 p.

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

  30. 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

  31. 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

  32. 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

  33. 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

  34. 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

  35. 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

  36. Published

    Plant nutrition, soil fertility, fertilizers and fertilization

    Jensen, Lars Stoumann, Magid, Jakob, Nielsen, G. G., Nielsen, H. H., Nielsen, N. E. & Schjoerring, Jan K., 1998, 2. ed. København: Jordbrugsforlaget. 471 p.

    Research output: Book/Report › Book › Education

  37. Published

    Plant nutrition, soil fertility, fertilizers and fertilization

    Jensen, Lars Stoumann, Husted, Søren, Magid, Jakob, Nielsen, G. G., Nielsen, H. H., Nielsen, N. E. & Schjoerring, Jan K., 1999, 3. ed. København: Jordbrugsforlaget. 527 p.

    Research output: Book/Report › Book › Education

  38. Published

    Plant nutrition, soil fertility, fertilizers and fertilization

    Jensen, Lars Stoumann, Magid, Jakob, Nielsen, G. G., Nielsen, H. H., Nielsen, N. E. & Schjoerring, Jan K., 1997, København: Jordbrugsforlaget. 307 p.

    Research output: Book/Report › Book › Education

  39. 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

  40. Published

    A ¤passive flux sampler for measuring ammonia volatilization from manure storage facilities

    Sommer, S. G., Sibbesen, E., Nielsen, T., Schjoerring, Jan K. & Olesen, J. E., 1996, In: Journal of Environmental Quality. 25, 2, p. 241-247 7 p.

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

  41. Published

    Ammonia volatilization from pig slurry applied with trail hoses or broadspread to winter wheat: effects of crop developmental stage, microclimate, and leaf ammonia absorption

    Sommer, S. G., Friis, E., Bach, A. & Schjoerring, Jan K., 1997, In: Journal of Environmental Quality. 26, 4, p. 1153-1160 8 p.

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

  42. 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

  43. Published

    A novel group of aquaammoniaporins in plants

    Schüssler, M. D., Pohl, P., Schjoerring, Jan K. & Jahn, T. P., 2008, In: Physiologia Plantarium. 3, p. 37 1 p.

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

  44. Published

    A proteomics approach to investigate the process of Zn hyperaccumulation in Noccaea caerulescens (J & C. Presl) F.K. Meyer

    Schneider, T., Persson, Daniel Pergament, Husted, Søren, Schellenberg, M., Gehrig, P., Lee, Y., Martinoia, E., Schjoerring, Jan K. & Meyer, S., 2013, In: The Plant Journal. 73, 1, p. 131-142 12 p.

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

  45. 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

  46. Published

    Photosystem II functionality in barley responds dynamically to changes in leaf manganese status

    Schmidt, Sidsel Birkelund, Powikrowska, M., Krogholm, K. S., Naumann-Busch, B., Schjoerring, Jan K., Husted, Søren, Jensen, Poul Erik & Pedas, P. R., 2016, In: Frontiers in Plant Science. 7, 12 p., 1772.

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

  47. 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

  48. 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

  49. 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

  50. 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

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