John Roy Porter

John Roy Porter

Professor, emeritus

ORCID: 0000-0002-0777-3028

Publication year:
All
151 - 175 out of 206Page size: 25
  1. 2000
  2. Published

    Modelling and experimental studies of the growth and development of wheat

    Porter, John Roy, 2000, Copenhagen: The Royal Veterinary and Agricultural University, Department of Dairy and Food Science, Agroecology Group. 99 p.

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

  3. Published

    Patent confusion in law on new plant varieties

    Porter, John Roy, 2000

    Research output: Other contribution › Communication

  4. Published

    Temperature variability and the yield of annual crops

    Wheeler, T. R., Craufurd, P. Q., Ellis, R. H., Porter, John Roy & Prasad, P. V. V., 2000, In: Agriculture, Ecosystems & Environment. 82, p. 159-167 9 p.

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

  5. Published

    Effects of water deficits and high temperature-events in wheat

    Wollenweber, B., Jensen, C. R., Schellberg, J. & Porter, John Roy, 2000. 1 p.

    Research output: Contribution to conference › Paper › Research

  6. 1999
  7. Published

    Modelling effects of ozone exposure, elevated CO2 and weather on wheat

    Ewert, F. & Porter, John Roy, 1999. 2 p.

    Research output: Contribution to conference › Paper › Research

  8. Published

    Simulation of growth and development processes of spring wheat in response to CO2 and ozone for different sites and years in Europe using mechanistic crop simulation models

    Ewert, F., Oijen, M. V. & Porter, John Roy, 1999, In: European Journal of Agronomy. 10, p. 231-247 17 p.

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

  9. Published

    Comments on "Testing winter wheat simulation models predictions against observed UK grain yields" by Landau et al. (1998)

    Jamieson, P. D., Porter, John Roy, Semenov, M. A., Brooks, R. J., Ewert, F. & Ritchie, J. T., 1999, In: Agricultural and Forest Meteorology. 96, p. 157-161 5 p.

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

  10. Published

    Climate variability and crop yields in Europe

    Porter, John Roy & Semenov, M. A., 1999, In: Nature. 400, 6746, p. 724 1 p.

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

  11. Published

    Temperatures and the growth and development of wheat: a review

    Porter, John Roy & Gawith, M., 1999, In: European Journal of Agronomy. 10, p. 23-36 14 p.

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

  12. 1998
  13. Published

    IMPETUS: 1. year report on research at KVL Taastrup, DK

    Ewert, F. & Porter, John Roy, 1998, Improving wheat model accuracy and suitability for regional impact assessment (IMPETUS) : EC project ENV4-CT97-0496 : report on 1. year. Mitchell, R. A. C. (ed.). p. B25-B32 9 p.

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

  14. Published

    MODEXCROP project: model evaluation of experimental variability to improve predictability of crop yields under climate change

    Ewert, F. & Porter, John Roy, 1998, Copenhagen: Royal Veterinary and Agricultural University, Department of Agricultural Science, Agro-Ecology. 21 p.

    Research output: Book/Report › Book › Education

  15. Published

    A comparison of the models AFRCWHEAT2, CERES-Wheat, Sirius, SUCROS2 and SWHEAT with measurements from wheat grown under drought

    Jamieson, P. D., Porter, John Roy, Goudriaan, J., Ritchie, J. T., Keulen, H. V. & Stol, W., 1998, In: Field Crops Research. 55, p. 23-44 22 p.

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

  16. Published

    Making sense of wheat development: a critique of methodology

    Jamieson, P. D., Brooking, I. R., Semenov, M. A. & Porter, John Roy, 1998, In: Field Crops Research. 55, p. 117-127 11 p.

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

  17. Published

    Energetic, economic and ecological balances of a combined food and energy system

    Kuemmel, B., Langer, Vibeke, Magid, Jakob, de Neergaard, Andreas & Porter, John Roy, 1998, In: Biomass & Bioenergy. (4/5), p. 407-416 10 p.

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

  18. Published

    Interaction between soils and crop production: rational systems

    Porter, John Roy, 1998. 2 p.

    Research output: Contribution to conference › Paper › Research

  19. Published

    Research beyond the means: climatic variability and plant growth

    Porter, John Roy & Moot, D. J., 1998, EUR. Dalezios, N. R. (ed.). 18328 ed. Publications Office, p. 13-23 11 p.

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

  20. Published

    The ¤how, why and wherefore of crop simulation models

    Porter, John Roy & Jamieson, P. D., 1998, EUR. Peter, D., Maracchi, G. & Ghazi, A. (eds.). 18175 ed. Official Publications of the European Communities, p. 183-201 19 p.

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

  21. Published

    Quantification of uncertainty in wheat yield prediction under future climate

    Schellberg, J., Ferris, R., Porter, John Roy, Wheeler, T. & Wollenweber, B., 1998, Ikke angivet. European Commission, Fourth Framework Programme, DGXII, 2 p.

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

  22. Published

    Effects of high temperature extremes on wheat: do extreme temperature events interact in wheat?

    Wollenweber, B., Schellberg, J. & Porter, John Roy, 1998, Ikke angivet. European Commission, Fourth Framework Programme, DGXII, 4 p.

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

  23. 1997
  24. Published

    Modelling ozone effects on wheat in relation to elevated CO2 and weather: short-term to seasonal responses of leaf photosynthesis

    Ewert, F. & Porter, John Roy, 1997, In: Plant, Cell and Environment. 1997

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

  25. Published

    Modelling the effects of CO2 and ozone on growth and development of spring wheat in response to climatic conditions: final report of the Royal Veterinary and Agricultural University (DK) to the European Stress Physiology and Climate Experiment

    Ewert, F. & Porter, John Roy, 1997, In: Project 1 : wheat. EV5V-CT93-0301, 38 p.

    Research output: Contribution to journal › Journal article › Research

  26. Published

    Variability and scaling: matching methods and phenomena

    Marshall, B., Crawford, J. W. & Porter, John Roy, 1997, Scaling-up : from cell to landscape. Gardingen, P. R. V., Foody, G. M. & Curran, P. J. (eds.). Cambridge: Cambridge University Press, Vol. 63. p. 253-272 20 p. (Society for Experimental Biology seminar series).

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

  27. Published

    Annex I: summary of presentations

    Porter, John Roy & Wollenweber, B., 1997. 4 p.

    Research output: Contribution to conference › Paper › Research

  28. Published

    Anthesis date and agricultural risk and the effects of high temperature extremes on wheat

    Porter, John Roy & Wollenweber, B., 1997. 15 p.

    Research output: Contribution to conference › Paper › Research

  29. Published

    Effects of extreme temperatures at two growth stages on wheat

    Porter, John Roy & Wollenweber, B., 1997. 5 p.

    Research output: Contribution to conference › Paper › Research

Previous 1...3 4 5 6 7 8 9 Next

ID: 3148511