John Roy Porter

John Roy Porter

Professor, emeritus

ORCID: 0000-0002-0777-3028

Publication year:
All
76 - 100 out of 206Page size: 25
Sort by: Title
  1. Published

    Modelling the responses of grain protein and composition to environmental variations

    Martre, P., Triboï, E., Jamieson, P. D. & Porter, John Roy, 2004. 1 p.

    Research output: Contribution to conference › Paper › Research

  2. Published

    Modelling the effects of climatic change and genetic modification on nitrogen use by wheat

    Porter, John Roy, Leigh, R. A., Semenov, M. A. & Miglietta, F., 1995. 22 p.

    Research output: Contribution to conference › Paper › Research

  3. Published

    Modelling the effects of Co2 and drought on wheat for different climatic conditions and cultivars

    Ewert, F., Rodriguez, D., Jamieson, P., Semenov, M. A., Mitchell, R. A. C., Goudriaan, J., Porter, John Roy, Manderscheid, R., Weigel, H. J., Fangmeier, A., Fereres, E. & Villalobos, F., 2000, Improving wheat model accuracy and suitability for regional impact assessment 1998-2000 : IMPETUS final report: EC project ENV4-CT97-0496. p. 108-136 29 p.

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

  4. 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

  5. Published

    Modelling protein content and composition in wheat

    Jamieson, P., Martre, P., Samoli, V., Porter, John Roy, Zyskowski, R. F., Semenov, M. & Triboi, E., 2006. 1 p.

    Research output: Contribution to conference › Poster › Research

  6. Published

    Modelling protein content and composition in relation to crop nitrogen dynamics for wheat

    Martre, P., Jamieson, P. D., Semenov, M. A., Zyskowski, R. F., Porter, John Roy & Triboi, E., 2006, In: European Journal of Agronomy. 25, 2, p. 138-154 17 p.

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

  7. 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

  8. 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

  9. Published

    Modelling cropping systems- highlights of the symposium and preface to the special issues

    Hammer, G. L., Kropff, M. J., Sinclair, T. R. & Porter, John Roy, 2002, In: European Journal of Agronomy. 16, p. 1-11 11 p.

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

  10. Published

    Modelling crop yields under climate change

    Porter, John Roy & Semenov, M. A., 1997, In: Eurostat. 1997, p. 349-366 18 p.

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

  11. 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

  12. Published

    Modelling CO2 effects on wheat with varying water supply

    Ewert, F., Rodriguez, D., Mitchell, R. A. C., Semenov, M., Porter, John Roy, Goudriaan, J., Jamieson, P., Kimball, B. A., Manderscheid, R., Fangmeier, A. & Fereres, E., 2000. 1 p.

    Research output: Contribution to conference › Paper › Research

  13. Published

    Modelling CO2 effects on wheat with varying nitrogen supplies

    Jamieson, P., Berntsen, J., Ewert, F., Kimball, B. A., Olesen, J. E., Pinter, P. J., Porter, John Roy & Semenov, M., 2000, In: Agriculture, Ecosystems & Environment. 82, p. 27-37 11 p.

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

  14. Published

    Modeling Grain Nitrogen Accumulation and Protein Composition to Understand the Sink/Source Regulation of Nitrogen Romobilisation for Wheat

    Martre, P., Porter, John Roy, Jamieson, P. & Triboï, E., 2003, In: Plant Physiology. 133, p. 1959-1967 8 p.

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

  15. Published

    Mennesker kan ikke ejes

    Toft, J. & Porter, John Roy, 1996, In: Dagbladet Information. 30

    Research output: Contribution to journal › Journal article › Communication

  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

    Making science more effective for agriculture

    Sadras, V., Alston, J., Aphalo, P., Connor, D., Denison, R. F., Fischer, T., Gray, R., Hayman, P., Kirkegaard, J., Kirchmann, H., Kropff, M., Lafitte, H. R., Langridge, P., Lenne, J., Mínguez, M. I., Passioura, J., Porter, J. R., Reeves, T., Rodriguez, D., Ryan, M. & 2 others, Villalobos, F. J. & Wood, D., 2020, Advances in Agronomy. Sparks, D. L. (ed.). Academic Press, p. 153-177 25 p. (Advances in Agronomy, Vol. 163).

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

  18. 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

  19. Published

    Læbælter til energi og marker til fødevareproduktion

    Porter, John Roy, Sigsgaard, L, Sandhu, H. S., Wratten, S. D., Costanza, R. & Dennis, B., 2010, In: Jord og Viden. 155, 5, p. 18-19

    Research output: Contribution to journal › Journal article › Research

  20. Published

    Long-term effects of conversion to organic farming on ecosystem services - a model simulation case study and on-farm case study in Denmark

    Fan, F., Henriksen, Christian Bugge & Porter, John Roy, 28 May 2018, In: Agroecology and Sustainable Food Systems. 42, 5, p. 504-529 26 p.

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

  21. Published

    Landbruget: energi og fødevareproduktion i et samlet system?

    Porter, John Roy & Olsen, H., 1996, In: Naturens Verden. 9, p. 321-326 6 p.

    Research output: Contribution to journal › Journal article › Research

  22. Published

    Lack of interaktion between extreme high-temperature events at vegetative and reproductive growtg stages in wheat

    Wollenweber, B., Porter, John Roy & Schellberg, J., 2003, In: Journal of Agronomy and Crop Science. 189, p. 142-150 9 p.

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

  23. Published

    Lack of Interaction between Extreme High-Temperature Events at Vegetative and Reproductive Growth Stages in Wheat

    Wollenweber, B., Porter, John Roy & Schellberg, J., 2003, In: Journal of Agronomy and Crop Science. 189, 3, p. 142-150 8 p.

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

  24. Published

    Klimakrisen kræver mere handling på den korte bane, Dan Jørgensen

    Gaarsmand Jacobsen, S., Lund, Jens Friis, Andersen, G., Jespersen, B., Porter, John Roy, Borregaard, Michael Krabbe, Richey, L. A. & Furu, Peter, 22 Feb 2021, Ræson.dk.

    Research output: Other contribution › Net publication - Internet publication › Communication

  25. Published

    Invited review: Intergovernmental Panel on Climate Change, agriculture, and food—A case of shifting cultivation and history

    Porter, John Roy, Challinor, A. J., Henriksen, Christian Bugge, Howden, S. M., Martre, P. & Smith, P., 1 Aug 2019, In: Global Change Biology. 25, 8, p. 2518-2529

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

Previous 1 2 3 4 5 6 7 8 9 Next

ID: 3148511