John Roy Porter
Professor, emeritus
Section for Crop Sciences
Højbakkegård Allé 13
2630 Taastrup
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Conceptual foundation for innovative education in agroecology
Francis, C., Helenius, J., Lieblein, G., Porter, John Roy, Olsen, H. & Salomonsson, L., 2000, Integrating concepts of sustainability into education for agriculture and rural development. Bor, W. V. D., Holen, P., Wals, A. & Filho, W. L. (eds.). Frankfurt am Main: Peter Lang, Vol. 6. p. 125-137 13 p. (Environmental education, communication and sustainability).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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Challenges in designing ecological agriculture education: a Nordic perspective on change
Francis, C. A., Lieblein, G., Helenius, J., Salomonsson, L., Olsen, H. & Porter, John Roy, 2001, In: Renewable Agriculture and Food Systems (Print Edition). 16, 2, p. 89-95 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Creating a Nordic regional research network in agroecology: links to MSc education
Francis, C., Breland, T. A., Lieblein, G., Salomonsen, L., Geber, U., Sriskandarajah, N., Langer, Vibeke, Porter, John Roy & Helenius, J., 2006, Changing European farming systems for a better future: New visions for rural areas. Langeveld, H. & Röling, N. (eds.). Wageningen Academic Publishers, p. 320-324 5 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research
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Agroecology education and research: an academic platform for organic farming
Francis, C., Breland, T. A., Lieblein, G., Moulton, M., Salomonsen, L., Geber, U., Langer, Vibeke, Sriskandarajah, N., Porter, John Roy & Helenius, J., 2006, Ikke angivet. Andreasen, C. B., Elsgaard, L., Søndergaard Sørensen, L. & Hansen, G. (eds.). Forskningscenter for Økologisk Jordbrug og Fødevaresystemer, 2 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research
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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
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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
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Relationship between C:N/C:O stoichiometry and ecosystem services in managed production systems
Ghaley, Bhim Bahadur, Sandhu, H. S. & Porter, John Roy, 2015, In: P L o S One. 10, 4, 14 p., e0123869.Research output: Contribution to journal › Journal article › Research › peer-review
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Emergy signature as a basis for sustainability valuation of agro-ecosystems
Ghaley, Bhim Bahadur, Montesino San Martin, M. & Porter, John Roy, 2011. 1 p.Research output: Contribution to conference › Poster › Research
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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
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Simulation of soil organic carbon effects on long-term winter wheat (Triticum aestivum) production under varying fertilizer inputs
Ghaley, Bhim Bahadur, Wosten, H., Olesen, J. E., Schelde, K., Baby, S., Karki, Y. K., Borgesen, C. D., Smith, P., Yeluripati, J., Ferrise, R., Bindi, M., Kuikman, P., Lesschen, J. & Porter, John Roy, 2018, In: Frontiers in Plant Science. 9, p. 1-9 1158.Research output: Contribution to journal › Journal article › Research › peer-review
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Quantification and valuation of ecosystem services in diverse production systems for informed decision-making
Ghaley, Bhim Bahadur, Vesterdal, Lars & Porter, John Roy, 2014, In: Environmental Science & Policy. 39, p. 139-149 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Soil-based ecosystem services: a synthesis of nutrient cycling and carbon sequestration assessment methods
Ghaley, Bhim Bahadur, Porter, John Roy & Sandhu, H. S., 2014, In: The International Journal of Biodiversity Science, Ecosystems Services & Management. 10, 3, p. 177-186 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Emergy synthesis of a combined food and energy production system compared to a conventional wheat (Triticum aestivum) production system
Ghaley, Bhim Bahadur & Porter, John Roy, 2013, In: Ecological Indicators. 24, p. 534-542 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Future contributions of crop modelling-from heuristics and supporting decision making to understanding genetic regulation and aiding crop improvement
Hammer, G. L., Kropff, M. J., Sinclair, T. R. & Porter, John Roy, 2002, In: European Journal of Agronomy. 18, p. 15-31 17 p.Research output: Contribution to journal › Journal article › Research › peer-review
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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
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Scaling-up AFRCWHEAT2 model to assess phenological development for wheat in Europe
Harrison, P. A., Porter, John Roy & Downing, T. E., 2000, In: Agricultural and Forest Meteorology. 101, p. 167-186 20 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Obituary: E.J.M. Kirby
Hay, R. K. M. & Porter, John Roy, 2011, In: Journal of Agricultural Science. 149, 4, p. 401 1 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The physiology of crop yield
Hay, R. K. M. & Porter, John Roy, 2006, 2. udg. ed. Oxford: Blackwell Publishing. 309 p.Research output: Book/Report › Report › Research
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Globalt læringsmiljø om et globalt problem: en beskrivelse af et tværvidenskabeligt online kursus om klimaforandringer
Henriksen, Christian Bugge, Monty, A. & Porter, John Roy, 2010, In: Tidsskriftet Læring og Medier (LOM). 6, p. 1-21 21 p.Research output: Contribution to journal › Journal article › Research › peer-review
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E-learning, climate change and carbon footprints
Henriksen, Christian Bugge, Monty, A. & Porter, John Roy, 2009, In: Institute of Physics Conference Series. 1 p.Research output: Contribution to journal › Conference abstract in journal › Research
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Plant science and the food security agenda
Ingram, J. S. I. & Porter, John Roy, 2015, In: Nature Plants. 1, 2 p., 15173.Research output: Contribution to journal › Comment/debate › Research
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A ¤strategy for process modelling of short-rotation Salix coppice plantations
Isebrands, J. G., Host, G. E., Bollmark, L., Porter, John Roy, Philippot, S., Stevens, E. & Rushton, K., 1996, In: Biomass & Bioenergy. (2/3), p. 245-252 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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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
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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
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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
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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Emergy signature as a basis for sustainability valuation of agro-ecosystems
Research output: Contribution to conference › Poster › Research
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1165
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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