John Roy Porter
Professor, emeritus
Section for Crop Sciences
Højbakkegård Allé 13
2630 Taastrup
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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
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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
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Research beyond the averages: climatic variability and plant growth
Porter, John Roy, Geijn, S. C. V. D. & MacGillivray, C. W., 1996. 2 p.Research output: Contribution to conference › Paper › Research
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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
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Activities of the INES Standing Committee on Ethical Questions
Porter, John Roy, 1996, Scientists for Global Responsibility : National Coordinating Committee report 1993-1995. p. 9-10 2 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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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
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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
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Patent nonsense
Porter, John Roy, 1997, In: Chemistry and industry. 15, p. 626 1 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The ¤final report of IACR Long Ashton Research Station to ESPACE-Wheat
Porter, John Roy & Ewert, F., 1995Research output: Other contribution › Communication
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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
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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
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Report to the Danish Agricultural and Veterinary Research Council on research activities June 1996
Porter, John Roy, 1997, 15 p.Research output: Book/Report › Book › Education
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Denmark: agriworld
Porter, John Roy, 1996, In: The ¤furrow. 101, 2, 2 p.Research output: Contribution to journal › Journal article › Communication
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The ¤landscape consequences of combined food and energy systems
Porter, John Roy, 1997, Landskabsøkologiske skrifter. Brandt, J. . . A. . (ed.). 6 ed. Center for Landskabsforskning, Roskilde Universitet, p. 13-20 8 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research
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Patenting living material in the EU : report to the International Network of Engineers and Scientists
Porter, John Roy, 1997, Ethical dimensions of sustainability. 3 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Communication
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Annex I: summary of presentations
Porter, John Roy & Wollenweber, B., 1997. 4 p.Research output: Contribution to conference › Paper › Research
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Rising temperatures are likely to reduce crop yields: correspondence
Porter, John Roy, 2005Research output: Other contribution › Communication
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Final report of Long Ashton Research Station (UK) to the European Stress Physiology and Climate Experiment
Porter, John Roy & Ewert, F., 1997, In: Project 1 : wheat. EV5V-CT93-0301, 18 p.Research output: Contribution to journal › Journal article › Research
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A ¤simulation study of crop growth and development under climate change
Peiris, D. R., Crawford, J. W., Grashoff, C., Jefferies, R. A., Porter, John Roy & Marshall, B., 1996, In: Agricultural and Forest Meteorology. 79, p. 271-287 17 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Effect of soil warming and rainfall patterns on soil N cycling in northern Europe
Patil, R. H., Lægdsmand, M., Olesen, J. E. & Porter, John Roy, 2010, In: Agriculture, Ecosystems & Environment. 139, 1-2, p. 195-205 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Sensitivity of crop yield and N losses in winter wheat to changes in mean and variability of temperature and precipitation in Denmark using the FASSET model
Patil, R. H., Lægdsmand, M., Olesen, J. E. & Porter, John Roy, 2012, In: Acta Agriculturae Scandinavica. Section B. Soil and Plant Science. 62, 4, p. 335-351 17 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Growth and yield response of winter wheat to soil warming and rainfall patterns
Patil, R. H., Lægdsmand, M., Olesen, J. E. & Porter, John Roy, 2010, In: Journal of Agricultural Science. 148, 5, p. 553-566 14 p.Research output: Contribution to journal › Journal article › Research › peer-review
ID: 3148511
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Food security and food production systems
Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
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7172
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Emergy signature as a basis for sustainability valuation of agro-ecosystems
Research output: Contribution to conference › Poster › Research
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1162
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Risks associated with Tilletia indica, the newly-listed EU quarantine pathogen, the cause of Karnal bunt of wheat: EC 5. framework project QLK5-1999-01554
Research output: Book/Report › Report › Research
Published