John Roy Porter

John Roy Porter

Professor, emeritus

ORCID: 0000-0002-0777-3028

Publication year:
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1 - 25 out of 206Page size: 25
  1. Published

    Demographic approaches to studies of canopy development in plants

    Porter, John Roy, 1996, In: Biomass & Bioenergy. (2-3), p. 207-214 8 p.

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

  2. 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

  3. Published

    [Topic of the proposed EU directive on biotechnological inventions] : [indlæg ved offentlig høring i Europa Parlamentet: Protection Juridique des Inventions Biotechnologiques]

    Porter, John Roy, 1996

    Research output: Other contribution › Communication

  4. Published

    The ¤final report of IACR Long Ashton Research Station to ESPACE-Wheat

    Porter, John Roy & Ewert, F., 1995

    Research output: Other contribution › Communication

  5. Published

    Annex I: summary of presentations

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

    Research output: Contribution to conference › Paper › Research

  6. 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

  7. 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

  8. Published

    A dynamic Model of the Effects of nitrogen Fertilisation, Water Deficit and Temperature on grain protein level and composition for Bread Wheat (Triticum Aestivum L.)

    Martre, P., Porter, John Roy, Jamieson, P., Henton, S. M. & Triboï, E., 2003. 4 p.

    Research output: Contribution to conference › Paper › Research

  9. Published

    VIII ESA Congress: book of proceedings

    Jacobsen, S., Jensen, C. R. & Porter, John Roy, 2004, Copenhagen: Center for Skov, Landskab og Planlægning/Københavns Universitet. 968 p.

    Research output: Book/Report › Book › Education

  10. Published

    Need for multidisciplinary research towards a second green revolution: commentary

    Wollenweber, B., Porter, John Roy & Lübberstedt, T., 2005, In: Current Opinion in Plant Biology. 8, 3, p. 337-341 5 p.

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

  11. Published

    We must know what is green before we tax

    Porter, John Roy, Bindi, M., Olesen, J. E. & Smith, P., 13 Nov 2007, In: Times Online. 1 p.

    Research output: Contribution to journal › Contribution to newspaper - Newspaper article › Communication

  12. Published

    Food security: focus on agriculture

    Porter, John Roy, Challinor, A., Ewert, F., Falloon, P., Fischer, T., Gregory, P., Van Ittersum, M. K., Olesen, J. E., Moore, K. J., Rosensweig, C. & Smith, P., 2010, In: Science. 328, p. 172 1 p.

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

  13. Published

    Agronomy as the science of primary food production

    Porter, John Roy, 2010, Proceedings of Agro2010 the XIth ESA Congress: 2010, Montpellier, France. p. 41-42 2 p.

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

  14. Published

    Position statement on climate change

    Boote, K. J., Brouder, S. M., Clay, D., Gepts, P., Hatfield, J. L., Hillel, D., Izaurralde, R. C., Mosier, A. R., Porter, John Roy, Rosenzweig, C. E., Rice, C. W. & Climate Change Working Group, C. C. W. G., 2011, American Society of Agronomy. 12 p.

    Research output: Book/Report › Book › Research › peer-review

  15. Published

    Crop-climate models need an overhaul

    Rötter, R. P., Carter, T. R., Olesen, J. E. & Porter, John Roy, 2011, In: Nature. 1, p. 175-177 3 p.

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

  16. 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

  17. Published

    Deconstructing crop processes and models via identities

    Porter, John Roy & Christensen, Svend, 2013, In: Plant, Cell and Environment. 36, 11, p. 1919-1925 7 p.

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

  18. Published

    Recasting economics as if the climate and global ecology really mattered

    Porter, John Roy, Howden, M., Smith, P. & Stokholm, M. S., 2017, In: Consilience: The Journal of Sustainable Development. 17, 1, p. 220-229 10 p.

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

  19. Published

    Food, hunger, health, and climate change

    Woodward, A. & Porter, John Roy, 2016, In: The Lancet. 387, 10031, p. 1886-1887 2 p.

    Research output: Contribution to journal › Comment/debate › Research › peer-review

  20. Published

    Food and nutritional security requires adequate protein as well as energy, delivered from whole-year crop production

    Coles, G. D., Wratten, S. D. & Porter, John Roy, 2016, In: PeerJ. 4, 17 p., e2100.

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

  21. 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

  22. Published

    Review and analysis of vulnerability to rainfall variability and policy responses to agricultural water supply in Nigeria

    Olayide, O. E., Tetteh, I. K., Porter, John Roy & Popoola, L., 2016, In: Journal of Food, Agriculture and Environment. 14, 2, p. 152-155 4 p.

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

  23. Published

    Determination of biomass accumulation in mixed belts of Salix, Corylus and Alnus species in combined food and energy production system

    Ghaley, Bhim Bahadur & Porter, John Roy, 2014, In: Biomass & Bioenergy. 63, p. 86-91 6 p.

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

  24. Published

    Ecosystem function and service quantification and valuation in a conventional winter wheat production system with DAISY model in Denmark

    Ghaley, Bhim Bahadur & Porter, John Roy, 2014, In: Ecosystem Services. 10, p. 79-83 5 p.

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

  25. Published

    Can crop-climate models be accurate and precise? A case study for wheat production in Denmark

    Montesino San Martin, M., Olesen, J. E. & Porter, John Roy, 2015, In: Agricultural and Forest Meteorology. 202, p. 51-60 10 p.

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

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