John Roy Porter
Professor emeritus
Afgrødevidenskab
Højbakkegård Allé 13
2630 Taastrup
- 2003
- Udgivet
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, I: Plant Physiology. 133, s. 1959-1967 8 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
Spring Wheat Leaf Appearance and Temperature: Extending the Paradigm?
MCMaster, G. S., Wilhelm, W. W., Palic, D. B. & Porter, John Roy, 2003, I: Annals of Botany. 91, 6, s. 697-705 8 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- 2002
- Udgivet
Distribution of assimilated carbon in plants and rhizosphere soil of basket willow (Salix viminalis L.)
de Neergaard, Andreas, Porter, John Roy & Gorissen, A., 2002, I: Plant and Soil. 245, 2, s. 307-314 8 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
Effects of elevated CO/sub 2/ and drought on wheat: testing crop simulation models for different experimental and climatic conditions
Ewert, F., Rodriguez, D., Jamieson, P., Semenov, M. A., Mitchell, R. A. C., Goudriaan, J., Porter, John Roy, Kimball, B. A., Pinter, P. J., Manderscheid, R., Weigel, H. J., Fangmeier, A., Fereres, E. & Villalobos, F., 2002, I: Agriculture, Ecosystems & Environment. 93, s. 249-266 18 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
Effects of windbreak strips of willow coppice: modelling and field experiment on barley in Denmark
Foereid, B., Bro, Rasmus, Mogensen, V. O. & Porter, John Roy, 2002, I: Agriculture, Ecosystems & Environment. 93, 1-3, s. 25-32 8 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
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, I: European Journal of Agronomy. 18, s. 15-31 17 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
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, I: European Journal of Agronomy. 16, s. 1-11 11 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
Predicting potential distribution of karnal bunt (Tilletia indica) of wheat
Ewert, F., Baker, R., Porter, John Roy, Gioli, B., Miglietta, F. & Sansford, C., 2002. 2 s.Publikation: Konferencebidrag › Paper › Forskning
- 2001
- Udgivet
A model for fossil energy use in Danish agriculture used to compare organic and conventional farming
Dalgaard, T., Halberg, N. & Porter, John Roy, 2001, I: Agriculture, Ecosystems & Environment. 87, s. 51-65 15 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
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, I: Renewable Agriculture and Food Systems (Print Edition). 16, 2, s. 89-95 7 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
Experimental variability in wheat responses to elevated CO2 and ozone: an analysis of open-top chamber experiments by means of mechanistic simulation
Ewert, F. & Porter, John Roy, 2001. 2 s.Publikation: Konferencebidrag › Paper › Forskning
- Udgivet
Organic movement reveals a shift in the social position of science
Mørkeberg, A. & Porter, John Roy, 2001, I: Nature. 412Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
The ¤use of phenological data and models in a pest risk analyses for karnal bunt (Tilletia indica) in wheat across Europe
Ewert, F., Porter, John Roy, Miglietta, F., Gioli, B., Baker, R. & Sansford, C., 2001, The ¤times they are changing : book of abstratcs. s. 15 1 s.Publikation: Bidrag til bog/antologi/rapport › Bidrag til bog/antologi › Forskning
- 2000
- Udgivet
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. (red.). Frankfurt am Main: Peter Lang, Bind 6. s. 125-137 13 s. (Environmental education, communication and sustainability).Publikation: Bidrag til bog/antologi/rapport › Bidrag til bog/antologi › Forskning
- Udgivet
Effects of high temperature extremes on wheat
Ferris, R., Wheeler, T. R., Ellis, R. H., Hadley, P., Wollenweber, B., Porter, John Roy, Karacostas, T. S., Papadopoulos, M. N. & Schellberg, J., 2000, Climate change, climatic variability and agriculture in Europe : an integrated assessment. Downing, T. E., Harrison, P. A., Butterfield, R. E. & Lonsdale, K. G. (red.). s. 31-55 25 s.Publikation: Bidrag til bog/antologi/rapport › Bidrag til bog/antologi › Forskning
- Udgivet
Effects of water deficits and high temperature-events in wheat
Wollenweber, B., Jensen, C. R., Schellberg, J. & Porter, John Roy, 2000. 1 s.Publikation: Konferencebidrag › Paper › Forskning
- Udgivet
Future education in ecological agriculture and food systems: a student-faculty evaluation and planning process
Lieblein, G., Francis, C., Barth-Eide, W., Torjusen, H., Solberg, S., Salomonsson, L. V., Ekblad, G., Persson, P., Helenius, J., Loiva, M., Seppänen, L., Kahiluoto, H., Porter, John Roy, Olsen, H., Sriskandarajah, N., Mikk, M. & Flora, C., 2000, I: Journal of Sustainable Agriculture. 16, 4, s. 49-69 21 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
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, I: Agriculture, Ecosystems & Environment. 82, s. 27-37 11 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
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 s.Publikation: Konferencebidrag › Paper › Forskning
- Udgivet
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 s.Publikation: Bog/antologi/afhandling/rapport › Ph.d.-afhandling › Forskning
- Udgivet
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. s. 108-136 29 s.Publikation: Bidrag til bog/antologi/rapport › Bidrag til bog/antologi › Forskning
- Udgivet
Ozone effects on wheat in relation to CO2: modelling short-term and long-term responses of leaf photosynthesis and leaf duration
Ewert, F. & Porter, John Roy, 2000, I: Global Change Biology. 6, s. 735-750 16 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
Ozone effects on wheat in response to climatic variation and CO2
Ewert, F., Oijen, M. V. & Porter, John Roy, 2000. 1 s.Publikation: Konferencebidrag › Paper › Forskning
- Udgivet
Patent confusion in law on new plant varieties
Porter, John Roy, 2000Publikation: Andet › Andet bidrag › Formidling
- Udgivet
Quantification of uncertainty in climate change impact assessment
Downing, T. E., Barrow, E. M., Brooks, R. J., Butterfield, R. E., Carter, T. R., Harrison, P. A., Hulme, M., Olesen, J. E., Porter, John Roy, Schellberg, J., Semenov, M. A., Vinther, F. P., Wheeler, T. R. & Wolf, J., 2000, Climate change, climatic variability and agriculture in Europe : an integrated assessment. Downing, T. E., Harrison, P. A., Butterfield, R. E. & Lonsdale, K. G. (red.). s. 415-434 20 s.Publikation: Bidrag til bog/antologi/rapport › Bidrag til bog/antologi › Forskning
ID: 3148511
Flest downloads
-
7844
downloads
Food security and food production systems
Publikation: Bidrag til bog/antologi/rapport › Bidrag til bog/antologi › Forskning › fagfællebedømt
Udgivet -
7171
downloads
Emergy signature as a basis for sustainability valuation of agro-ecosystems
Publikation: Konferencebidrag › Poster › Forskning
Udgivet -
1162
downloads
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
Publikation: Bog/antologi/afhandling/rapport › Rapport › Forskning
Udgivet