Jan Kofod Schjørring

Jan Kofod Schjørring

Professor, emeritus


  1. Published

    Quantification of ammonia exchange over agricultural cropland

    Schjoerring, Jan K., 1996.

    Research output: Contribution to conferencePaperResearch

  2. 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 proceedingBook chapterCommunication

  3. 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 proceedingArticle in proceedingsResearchpeer-review

  4. Published

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

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

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

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

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

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

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

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

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. 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 proceedingArticle in proceedingsResearch

  8. 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 journalJournal articleResearchpeer-review

  9. 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 journalJournal articleResearchpeer-review

  10. 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 proceedingArticle in proceedingsResearch

  11. Published

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

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

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. 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 journalJournal articleResearchpeer-review

  13. Published

    Relative addition rate technique as a tool for alleviating ammonium toxicity in cucumber (Cucumis sativus L., cv. Styx) plants

    Roosta, H. & Schjoerring, Jan K., 2005, Plant nutrition for food security, human health and environmental protection. Li, C. P. & al., E. (eds.). Tsinghua University Press, p. 274-275 2 p.

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

  14. 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 proceedingArticle in proceedingsResearch

  15. 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 journalJournal articleResearchpeer-review

  16. 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 journalJournal articleResearchpeer-review

  17. 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 journalJournal articleResearchpeer-review

  18. 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 journalConference articleResearchpeer-review

  19. 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 journalJournal articleResearchpeer-review

  20. 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 journalJournal articleResearchpeer-review

  21. Published

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

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

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. 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 journalJournal articleResearchpeer-review

  23. 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 journalJournal articleResearchpeer-review

  24. 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 journalJournal articleResearchpeer-review

  25. 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 journalJournal articleResearchpeer-review

ID: 4226215