Jan Kofod Schjørring

Jan Kofod Schjørring

Professor, emeritus

ORCID: 0000-0002-2852-3298

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  1. 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

  2. Published

    Phylogenetic analysis of F-bZIP transcription factors indicates conservation of the zinc deficiency response across land plants

    Castro, P. H. A. R. F., Lilay, Grmay Hailu, Muñoz-Mérida, A., Schjoerring, Jan K., Azevedo, H. & Assuncao, Ana, 2017, In: Scientific Reports. 7, 1, 14 p., 3806.

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

  3. Published

    Physiological parameters controlling plant-atmosphere ammonia exchange

    Schjoerring, Jan K., Husted, Søren & Mattsson, M., 1998, In: Atmospheric Environment. 32, 3, p. 491-498 8 p.

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

  4. 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

  5. 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

  6. Published

    Plant metallothioneins and functional analysis of a barley metallothionein promoter

    Schiller, M., Hegelund, J. N., Pedas, P., Husted, Søren & Schjoerring, Jan K., 2009, The proceedings of the International Plant Nutrition Colloquium. Department of Plant Sciences, University of California, Davis, 4 p.

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

  7. Published

    Plant mineral nutrition for nutrient and food security

    Schjoerring, Jan K. & Cakmak, I., 2014, In: Physiologia Plantarum. 151, 3, p. 199 1 p.

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

  8. Published

    Plant nutrition and soil fertility: synergies for acquiring global green growth and sustainable development

    Schjoerring, Jan K., Cakmak, I. & White, P. J., 15 Jan 2019, In: Plant and Soil. 434, 1-2, p. 1-6

    Research output: Contribution to journal › Editorial › Research

  9. Published

    Plant nutrition for global green growth

    Schjoerring, Jan K., Ma, J. F. & von Wiren, N., Jul 2018, In: Physiologia Plantarum. 163, 3, p. 268

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

  10. 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

  11. 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

  12. 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

  13. Published

    Plant-atmosphere ammonia exchange: quantification, physiological regulation and interactions with environmental factors

    Schjoerring, Jan K., 1997, Copenhagen: The Royal Veterinary and Agricultural University, Department of Agricultural Sciences, Plant Nutrition and Soil Fertility Laboratory. 334 p.

    Research output: Book/Report › Ph.D. thesis › Research

  14. 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

  15. 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

  16. 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

  17. Published

    Plantevækstfaktorer og afgrødefysiologi: teoretiske øvelser i planternes ernæring

    Husted, Søren, Høgh-Jensen, H., Jensen, Lars Stoumann, Magid, Jakob, Mattsson, M., Mueller, T., Nielsen, N. E. & Schjoerring, Jan K., 1997, København: Jordbrugsforlaget. 134 p.

    Research output: Book/Report › Book › Education

  18. 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

  19. 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

  20. 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

  21. 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

  22. 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

  23. 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

  24. 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

  25. 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

  26. Published

    Quantification of ammonia exchange over agricultural cropland

    Schjoerring, Jan K., 1996.

    Research output: Contribution to conference › Paper › Research

  27. 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

  28. 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

  29. 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

  30. 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

  31. 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

  32. 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

  33. 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

  34. 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

  35. 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

  36. 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

  37. 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

  38. 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

  39. 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

  40. 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

  41. 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

  42. 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

  43. 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

  44. 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

  45. 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

  46. 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

  47. 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

  48. 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

  49. 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

  50. 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

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