På sporet af atmosfærisk ammoniak : NPo-forskningsprogrammet (Dyhr-Nielsen, M., Holter,V. & Bådsgård-Pedersen, J. (Red.). / Sommer, Sven Gjedde; Christensen, Bent Tolstrup; Hansen, Jens Grønbech; Asman, Willem A. H.; Grundahl, L.; Schjørring, J.K.; Saxe, H.; Jensen, E.S.
In: Vand og Miljø, Vol. 6, 1989, p. 56-62.Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Communication
Use of multispectral radiometry in wheat yellow rust experiments. / Hansen, Jens Grønbech.
In: E P P O Bulletin, Vol. 21, 1991, p. 651-658.Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review
Mikroklima i kartofler i relation til kartoffelskimmel. / Hansen, Jens Grønbech.
Tidsskrift for Planteavls Specialserie, 1992. 43 p.Research output: Book/anthology/dissertation/report › Book › Communication
Anvendelse af klimaspyd til plantebeskyttelse. / Hansen, Jens Grønbech.
11. Danske Planteværnskonference. 1994. p. 133-142 (SP Rapport; No. 7).Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research
Behovsbestemt fungicidbehandling mod kartoffelskimmel (Phytophthora infestans) - erfaringer fra Danmark 1993. / Hansen, Jens Grønbech; Simonsen, Jørgen.
35:e Svenska Växt-skyddskonferensen. 1994. p. 377-385.Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research
The use of onfarm meteorological data for resource utilization in sustainable crop production. / Hansen, Jens Grønbech; Secher, Bo J. M.
Proceedings of 13th International conference in International Soil Tillage Research Organization. ed. / Henry E Jensen; Per Schjønning; Søren A Mikkelsen; Karin B Madsen. 1994. p. 1187-1192.Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research
Thresholds for control of Septoria spp. / Hansen, Jens Grønbech; Secher, Bo J. M.; Jørgensen, Lise Nistrup; Welling, B.
In: in winter wheat based on precipitation and growth stage. Plant Pathology, Vol. 43, 1994, p. 183-189.Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review
Tresholds for control of Septoria spp in winter-wheat based on precipitation and growth stage. / Hansen, Jens Grønbech; Secher, Bo J. M.; Jørgensen, Lise Nistrup; Welling, Boldt Sorvad.
In: Plant Pathology, Vol. 43, No. 1, 1994, p. 183-189.Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review
Forbruget af sprøjtemidler mod kartoffelskimmel kan nedsættes ved brug af data fra klimaspyd. / Hansen, Jens Grønbech.
In: HARDI RAMA, Vol. 14, 1995, p. 4-5.Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Communication
Klimaspyd - Konklusioner og erfaringer fra et femårigt projekt. / Hansen, Jens Grønbech.
12. danske planteværnskonference, sygdomme og skadedyr. 1995. p. 129-138 (SP Rapport; No. 3, Vol. 4).Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research
Klimaspyd og Planteværn. / Hansen, Jens Grønbech.
In: Erhvervsjordbruget - Landbonyt, No. 7, 1995, p. 5-7.Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Communication
Man skal have hovedet med. / Hansen, Jens Grønbech.
In: Dansk Kartoffelstivelse, Vol. 4, No. 3, 1995, p. 5-7.Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Communication
Meteorological dataflow and management for potato late blight forecasting in Denmark. / Hansen, Jens Grønbech.
Proceedings of the Workshop on Weather Information and Plant Protection. ed. / Jens G Hansen; Roland Sigvald. 1995. p. 57-64 (SP Rapport; No. 10, Vol. 3).Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research
NEGFRY - A system for scheduling chemical control of late blight in potatoes. / Hansen, Jens Grønbech; Andersson, B.; Hermansen, A.
Proceedings PHYTOPHTHORA 150 Sesquicentennial Scientific Conference. ed. / L J Dowley; L R Cooke; T Keane; E O'Sullivan. Boole Press Ltd., 1995. p. 201-208.Research output: Contribution to book/anthology/report/proceeding › Conference abstract in proceedings › Research
Workshop on weather information and plant protection - conclusions and recommendations. / Hansen, Jens Grønbech; Sigvald, R.
Proceedings of the Workshop on Weather Information and Plant Protection. ed. / Jens Grønbech Hansen; Roland Sigvald. 1995. p. 7-12 (SP Rapport; No. 10).Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research
Nedbørs betydning for udvikling af Septoria tritici i vinterhvede. / Secher, Bo J M; Welling, Boldt; Jørgensen, Lise Nistrup; Hansen, Jens Grønbech.
12. Danske Planteværnskonference: Sygdomme og skadedyr. Statens Planteavlsforsøg, 1995. p. 139-148 (SP Rapport; No. 4).Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research
Development and practical implementation of a system for potato late blight forecasting. / Hansen, Jens Grønbech; Andersson, B.
International symposium on applied agrometeorology and agroclimatology. 1996. p. 251-258.Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research
Vejret bestemmer behovet for skimmelbekæmpelse. / Hansen, Jens Grønbech; Holm, Søren Peter.
13. danske planteværnskonference, sygdomme og skadedyr. Statens Planteavlsforsøg, 1996. p. 41-51 (SP Rapport; No. 4).Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research
An information system for crop production on World Wide Web. / Jensen, Allan Leck; Thysen, Iver; Hansen, Jens Grønbech; Jensen, Tom; Secher, Bo J. M.; Juhl, O.
Information and Communication Technology applications in Agriculture: State of the art and future perspectives. ed. / C Lokhort; A J Udink ten Cate; A A Dijkhuizen. 1996. p. 604-609.Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research
Et dansk informationssystem for plantedyrkning på World Wide Web. / Jensen, Allan Leck; Thysen, Iver; Hansen, Jens Grønbech; Jensen, Tom; Secher, Bo J. M.; Juhl, O.
13. danske planteværnskonference, sygdomme og skadedyr. Statens Planteavlsforsøg, 1996. p. 219-228 (SP Rapport; No. 4).Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research
Regional agrometeorology on World Wide Web, International Symposium on Applied Agrometeorology and Agroclimatology. / Jensen, Tom; Hansen, Jens Grønbech; Thysen, Iver; Jensen, Allan Leck; Boll, Peter Sandal.
1996. Paper presented at Regional agrometeorology on World Wide Web, International Symposium on Applied Agrometeorology and Agroclimatology, Volos, Greece.Research output: Contribution to conference › Paper › Research
Pl@nteinfo : A WWW-based platform for the dissemination of up-to-date crop protection information. / Secher, Bo J. M.; Jensen, Allan Leck; Hansen, Jens Grønbech.
Unlocking the Future: Information Technology in Plant Protection. 1996. p. 14-14.Research output: Contribution to book/anthology/report/proceeding › Conference abstract in proceedings › Research
Behovsbestemt skimmelbekæmpelse - hvad har vi lært? / Hansen, Jens Grønbech.
In: Kartoffelproduktion, Vol. 26, No. 3, 1997, p. 9-11.Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Communication
Field specific and regional warning for development of potato late blight. / Hansen, Jens Grønbech.
Proceedings of the Workshop on the European Network for Development of an Integrated Control Strategy of Potato Late Blight. PAV-special report no 1. ed. / H Schepers; E Bouma. 1997. p. 127-134 (PAV-special report; No. 1).Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research
Report of the discussions of the Subgroup DSS. / Hansen, Jens Grønbech.
Proceedings of the Workshop on the European network for development of an integrated Control Strategy of Potato Late Blight. ed. / Huub Shepers; Erno Bouma. 1997. p. 15-19 (PAV-special report; No. 1).Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research
Pl@nteInfo - Using the Internet for custom tailored crop information. / Jensen, Allan Leck; Thysen, Iver; Boll, Peter Sandal; Hansen, Jens Grønbech; Secher, Bo J. M.; Juhl, O.
Proceedings of the First European Conference for Information Technology in Agriculture (EFITA). 1997. p. 305-308.Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research
Vækståret september 1996-august 1997. / Jensen, Tom; Hansen, Jens Grønbech; Sørensen, Birgit.
In: Grøn Viden - Markbrug, Vol. 188, 1997, p. 1-8.Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Communication
Integration of NegFry with PC-Plant Protection: Perspectives. / Murali, Narasipur S.; Hansen, Jens Grønbech.
Proceedings of the Workshop on the European Network for Development of an Integrated Control Strategy of Potato Late Blight. ed. / Huub Schepers; Erno Bouma. 1997. p. 114-116 (PAV-special report; No. 1).Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research
Kartoffelskimmel før og nu. / Bødker, Lars; Kidmose, R.; Hansen, Jens Grønbech; Holm, Søren Peter.
15. Danske Planteværnskonference: Sygdomme og Skadedyr. 1998. p. 81-87 (DJF-rapport, Markbrug; No. 3).Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research
Availability and use of meteorological data for disease forecasting in Denmark. / Hansen, Jens Grønbech.
Proceedings from Workshop: European Network for Development of an Integrated Control Strategy of Potato Late Blight. 1998. p. 125-136 (PAV-special report; No. 3).Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research
Beslutningsstøtte for kontrol af kartoffelskimmel i 1998. / Hansen, Jens Grønbech.
In: Kartoffelproduktion, No. 3, 1998, p. 11-14.Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Communication
Report of the discussions of the Subgroup DSS. / Hansen, Jens Grønbech.
Proceedings of the Workshop on the European network for development of an integrated Control Strategy of Potato Late Blight. ed. / Huub Shepers; Erno Bouma. 1998. p. 23-29 (PAV-special report; No. 2).Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research
Vækståret septemeber 1997 - august 1998. / Hansen, Jens Grønbech; Jensen, Tom; Sørensen, Birgit.
In: Grøn Viden - Markbrug, Vol. 198, 1998, p. 1-8.Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Communication
Overview of standard descriptions of Phytophthora decision support systems. / Bouma, E.; Hansen, Jens Grønbech.
Proceedings of the Workshop on the European network for development of an integrated Control Strategy of Potato Late Blight. ed. / Huub Shepers; Erno Bouma. 1999. p. 48-51 (PAV-special report; No. 5).Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research
Information and decision support for the control of potato late blight based on integrated PC and Internet applications. / Hansen, Jens Grønbech; Lassen, Poul; Jensen, Allan Leck; Thysen, Iver.
Proceedings of the Workshop on the European network for development of an integrated Control Strategy of Potato Late Blight. ed. / Huub Shepers; Erno Bouma. 1999. p. 66-80 (PAV-special report; No. 5).Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research
Report of the discussions of the Subgroup DSS. / Hansen, Jens Grønbech.
Proceedings of the Workshop on the European network for development of an integrated Control Strategy of Potato Late Blight. ed. / Huub Shepers; Erno Bouma. 1999. p. 24-26 (PAV-special report; No. 5).Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research
CDI A Module for Import and Control of Weather Data. / Lassen, Poul; Hansen, Jens Grønbech.
Perspectives of Modern Information and Communication Systems in Agriculture, Food Production and Environmental Control (Volume A), 2nd Eur. Conf. of the European Federation for Information Technology in Agriclture, Food and the Environment. ed. / G Schiefer; R Helbig; U Rickert. 1999. p. 39-46.Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research
CDI: A flexible tool for import and ontrol of weather data in DSS's. / Lassen, Poul; Hansen, Jens Grønbech.
Proceedings of the Workshop on the European network for development of an integrated control strategy of potato late blight. ed. / Huub Schepers; Erno Bouma. 1999. p. 275-280 (PAV-Special Report; No. 5).Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research
Beslutningsstøtte til behovsbestemt bekæmpelse af kartoffelskimmel. / Hansen, Jens Grønbech.
In: Katoffelproduktion, Vol. 26, No. 3, 2000, p. 4-9.Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Communication
Beslutningsstøtte til bekæmpelse af kartoffelskimmel. / Hansen, Jens Grønbech; Bødker, Lars; Nielsen, Bent J.
17. Danske Planteværnskonference: Positionsbestemt plantebeskyttelse / beslutningsstøtte / sygdomme-skadedyr / aksfusariose. Danmarks JordbrugsForskning, 2000. p. 87-99 (DJF-rapport; No. 24).Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research
Beslutningsstøtte til bekæmpelse af kartoffelskimmel. / Hansen, Jens Grønbech; Bødker, Lars; Nielsen, Bent J.
17. Danske Planteværnskonference: Positionsbestemt plantebeskyttelse / beslutningsstøtte / sygdomme-skadedyr / aksfusariose. Danmarks JordbrugsForskning, 2000. p. 219-228 (DJF rapport, markbrug; No. 24).Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research
Information om kartoffelproduktion på Internettet: KartoffelInfo. / Hansen, Jens Grønbech; Møller, L.
In: Dansk Kartoffelstivelse, Vol. 9, No. 2, 2000, p. 19-21.Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Communication
Report of the dicussions of the Subgroup DSS. / Hansen, Jens Grønbech.
Proceedings of the Workshop on the European network for development of an integrated Control Strategy of Potato Late Blight. ed. / Huub Shepers; Erno Bouma. 2000. p. 27-34 (PAV-special report; No. 6).Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research
Validation and implementation of a Danish decision support system for the control of potato late blight in the Baltic countries. / Hansen, Jens Grønbech; Lassen, Poul; Turka, I.; Stuogiene, L.; Valskyte, A.; Koppel, M.
Proceedings of the Workshop on the European network for development of an integrated Control Strategy of Potato Late Blight. ed. / Huub Shepers; Erno Bouma. 2000. p. 117-130 (PAV-special report; No. 6).Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research
Web-blight - An international information and decision support system for potato late blight. / Hansen, Jens Grønbech; Röhrig, Manfred; Lassen, Poul; Thysen, Iver.
In: http://www.web-blight.net, 2000, p. 13-13.Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Communication
Use of weather forecasting data in decision support systems for the control of potato late blight. / Detlefsen, Nina; Hansen, Jens Grønbech; Thysen, Iver.
5th European Conference on Applications of Meteorology. 2001. p. 82-82.Research output: Contribution to book/anthology/report/proceeding › Conference abstract in proceedings › Research
Implementation of an Internet based decision support system for integrated potato late blight management in Poland. / Hansen, Jens Grønbech; Kapsa, J.
European Association for Potato Research, Pathology Section Meeting. 2001. p. 286-286 (Potato research; No. 3, Vol. 44).Research output: Contribution to book/anthology/report/proceeding › Conference abstract in proceedings › Research
Internet baserede informations- og beslutningsstøttesystemer om kartoffelproduktion - hvad findes der og hvilken vej går udviklingen. / Hansen, Jens Grønbech.
DJF temadag om kartofler. 2001. p. 16-33.Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research
Monitoring of potato late blight based on collaborative PC- and Internet applications. / Hansen, Jens Grønbech; Lassen, Poul; Röhrig, Manfred.
Proceedings of the Workshop on the European network for development of and integrated control strategy of potato late blight. ed. / H T A M Schepers. 2001. p. 39-54 (PAV-special report; No. 7).Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research
Results of validation trials of Phytophthora DSS in Europe in 2000. / Hansen, Jens Grønbech; Kleinhenz, B.; Jörg, E.
Proceedings of the Workshop on the European network for development of an integrated control strategy of potato late blight. ed. / H T A M Schepers. 2001. p. 23-38 (PAV-special report; No. 7).Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research