Jan Kofod Schjørring

Jan Kofod Schjørring

Professor, emeritus

ORCID: 0000-0002-2852-3298

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  1. 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

  2. Published

    Emission af ammoniak fra planter

    Husted, Søren & Schjoerring, Jan K., 1997, In: Tidsskrift for Landoekonomi. 184, p. 233-240 8 p.

    Research output: Contribution to journal › Journal article › Research

  3. Published

    Biologisk kvælstoffiksering og recirkulering

    Jensen, E. S., Jørgensen, F., Vinther, F. P., Høgh-Jensen, H. & Schjoerring, Jan K., 1997, Økologisk planteproduktion. Kristensen, E. S. (ed.). Tjele: Danmarks Jordbrugsforskning, Forskningscenter Foulum, Vol. 1997. p. 101-106 6 p. (SP rapport / Statens Planteavlsforsøg).

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

  4. 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

  5. Published

    Kinetics of nitrate and ammonium absorption and accompanying H+ fluxes in roots of Lolium perenne L. and N2-fixing Trifolium repens L.

    Jensen, H. H., Wollenweber, B. & Schjoerring, Jan K., 1997, In: Plant, Cell and Environment. 20, p. 1184-1192 9 p.

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

  6. Published

    Interactions between white clover and ryegrass under contrasting nitrogen availability: N2 fixation, N fertilizer recovery, N transfer and water use efficiency

    Jensen, H. H. & Schjoerring, Jan K., 1997, In: Plant and Soil. 197, p. 187-199 13 p.

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

  7. Published

    Ammonia exchange between plants and the atmosphere: effects of ammonium supply to the roots, dark-induced senescence and reduced GS activity

    Mattsson, M. & Schjoerring, Jan K., 1997, Developments in plant and soil sciences. Ando, T. . . A. . (ed.). 78 ed. Kluwer Academic Publishers, p. 827-831 5 p.

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

  8. Published

    Ammonia exchange between plants and the atmosphere: effects of ammonium supply to the roots, dark-induced senescence and reduced GS activity

    Mattsson, M. & Schjoerring, Jan K., 1997, In: Soil Science and Plant Nutrition. 43, p. 1113-1117 5 p.

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

  9. Published

    Leaf-atmosphere NH3 exchange in barley mutants with reduced activities of glutamine synthetase

    Mattsson, M., Häusler, R. E., Leegood, R. C., Lea, P. J. & Schjoerring, Jan K., 1997, In: Plant Physiology. 114, p. 1307-1312 6 p.

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

  10. 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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