Christian Andreasen

Christian Andreasen

Associate Professor

Member of:

    ORCID: 0000-0003-0844-141X

    Publication year:
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    51 - 100 out of 187Page size: 50
    1. 2004
    2. Published

      The variation in seed weight within and among cultivars of slender creeping red fescue (Festuca rubra ssp. litoralis), perennial ryegrass (Lolium perenne) and Kentucky bluegrass (Poa pratensis) and its importance for the composition of seed mixtures

      Larsen, S. U., Andreasen, Christian & Kristoffersen, P., 2004, In: Seed Science and Technology. 32, 1, p. 135-147 13 p.

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

    3. Published

      The ¤sensitivity of field peas (Pisum sativum L.) to weed harrowing

      Larsen, H. L. F. & Andreasen, Christian, 2004. 3 p.

      Research output: Contribution to conference › Paper › Research

    4. Published

      Turfgrass science: light and heavy turfgrass seeds differ in germination percentage and mean germination thermal time

      Larsen, S. U. & Andreasen, Christian, 2004, In: Crop Science. 44, p. 1710-1720 11 p.

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

    5. 2005
    6. Published

      Testing vigour of sugar beet seeds

      Andreasen, Christian & Pedersen, K. B., 2005. 1 p.

      Research output: Contribution to conference › Paper › Research

    7. Published

      Voldsom stigning i forekomsten af de fleste ukrudtsarter: Planteavlerens fagmagasin

      Andreasen, Christian, 2005, In: Mark. 3, p. 16-17 2 p.

      Research output: Contribution to journal › Journal article › Communication

    8. 2006
    9. Published

      Growth response of six weed species and spring barley (Hordeum vulgare) to increasing levels of nitrogen and phosphorus

      Andreasen, Christian, Litz, A. & Streibig, Jens Carl, 2006, In: Weed Research. 46, 6, p. 503-512 10 p.

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

    10. 2007
    11. Published

      Ecological fitness of a glyphosate-resistant Lolium rigidum population: growth and seed production along a competition gradient

      Pedersen, B. P., Neve, Paul, Andreasen, Christian & Powles, S. B., 2007, In: Basic and Applied Ecology. 8, 3, p. 258-268 11 p.

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

    12. Published

      Flora changes in Danish arable fields

      Andreasen, Christian & Stryhn, H., 2007, Ikke angivet. European Weed Research Society, p. 199 1 p.

      Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

    13. Published

      Influence of mechanical rhizome cutting, rhizome drying and burial at different developmental stages on the regrowth of Calystegia sepium

      Rask, A. M. & Andreasen, Christian, 2007, In: Weed Research. 47, 1, p. 84-93 10 p.

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

    14. Published

      Ti års erfaringer med genmodificerede afgrøder i Nordamerika: kan vi lære noget?

      Streibig, Jens Carl, Andreasen, Christian & Knezevic, S., 2007, Ikke angivet. Landbrugsforlaget, p. 56-57 2 p.

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

    15. Published

      Tolerance of four spring barley (Hordeum vulgare) varieties to weed harrowing

      Hansen, P. K., Rasmussen, I. A., Holst, N. & Andreasen, Christian, 2007, In: Weed Research. 47, 3, p. 241-251 11 p.

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

    16. 2008
    17. Published

      AgroPhone R, a Novel Dianostic Tool Optimizing Identification and Control of Noxious Weeds

      Andreasen, Christian & Larsen, E., 2008, 5th International Weed Science Congress: Weeds - local problems/global challenge. WSSA, p. 304-305 1 p.

      Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

    18. Published

      Increasing weed flora in Danish arable fields and its importance for biodiversity

      Andreasen, Christian & Stryhn, H., 2008, In: Weed Research. 48, 1, p. 1-9 9 p.

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

    19. Published

      Key perennial weeds in arable crops in the Nordic countries

      Salonen, J., Andersson, L., Andreasen, Christian & Torresen, K. S., 2008, Perennial weeds: a growing problem. Nordic Association of Agricultural Scientists (NJF), p. 3-4 2 p.

      Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

    20. Published

      Non-chemical weed control on hard surfaces: an investigation of long term effects of thermal weed control methods

      Rask, A. M. & Andreasen, Christian, 2008, Perennial Weeds: A growing problem. Nordic Association of Agricultural Scientists (NJF), p. 7 1 p.

      Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

    21. Published

      Phomopsis cirsii: a potential biocontrol agent for Cirsium arvense

      Leth, V., Netland, J. & Andreasen, Christian, 2008, In: Weed Research. 48, 6, p. 533-541 9 p.

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

    22. Published

      Relationship between Crops, Weeds and Soil Factors: a Phytosociological Study

      Andreasen, Christian & Skovgaard, I. M., 2008, 5th International Weed Science Congress: Weeds - local problems/global challenge. WSSA, p. 136-137 1 p.

      Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

    23. Published

      Weed harrowing and inter-row hoeing in organic grown quinoa (Chenopodium quinoa Willd.)

      Jacobsen, S., Christiansen, J. L., Andreasen, Christian & Rasmussen, Jesper, 2008. 2 p.

      Research output: Contribution to conference › Paper › Research

    24. Published

      Weed science: compendium 2008

      Streibig, Jens Carl & Andreasen, Christian, 2008, Department of Agricultural Sciences, University of Copenhagen. 284 p.

      Research output: Book/Report › Compendium/lecture notes › Education

    25. Published

      Weed science: manual for exercises

      Streibig, Jens Carl, Andreasen, Christian & Rasmussen, Jesper, 2008, Department of Agricultural Sciences, University of Copenhagen. 72 p.

      Research output: Book/Report › Compendium/lecture notes › Education

    26. 2009
    27. Published

      Crop and soil factors of importance for the distribution of plant species on arable fields in Denmark

      Andreasen, Christian & Skovgaard, I., 2009, In: Agriculture, Ecosystems & Environment. 133, 1-2, p. 61-67 7 p.

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

    28. Published

      Forekomsten af ukrudt ændrer sig over tid

      Andreasen, Christian, 2009, In: Agrologisk (Odense). 4, p. 20-23 4 p.

      Research output: Contribution to journal › Journal article › Research

    29. Published

      Weed control in organic grown quinoa (Chenopodium quinoa Willd.)

      Jacobsen, S., Andreasen, Christian & Rasmussen, Jesper, 2009, Inovacije: u ratarskoj i povrtarskoj proizvodnji. p. 21 1 p.

      Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

    30. 2010
    31. Published

      Changes in abundance and diversity of wild species in grass fields in Denmark

      Andreasen, Christian, Stryhn, H. & Andresen, L. C., 2010, Grassland in a changing world. Schnyder, H., Isselstein, J., Taube, F., Auerswald, K., Schellberg, J., Wachendorf, M., Herrmann, A., Gierus, M., Wrage, N. & Hopkins, A. (eds.). European Grassland Federation, p. 33-35 3 p. (Grassland Science in Europe, Vol. 15).

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

    32. Published

      Flame weeding on hard surfaces: the effect of time intervals between flaming treatment

      Rask, A. M., Kristoffersen, P. & Andreasen, Christian, 2010, EWRS, European Weed Research Society. 1 p.

      Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

    33. Published

      Pas på - ukrudtet kommer

      Andreasen, Christian, 2010, In: Agrologisk (Odense). 8, p. 29-31 3 p.

      Research output: Contribution to journal › Journal article › Research

    34. Published

      Survey for fungal enemies of goldenrod in Denmark

      Leth, V. & Andreasen, Christian, 2010, Book of Abstracts, 6 th NEOBIOTA conferende: Biological Invasions in a Changing World from Science to Management. Kollmann, J., Mölken, T. V. & Ravn, H. P. (eds.). p. 254 1 p.

      Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

    35. 2011
    36. Published

      Bekæmpelse af gærdesnerlen

      Rask, A. M. & Andreasen, Christian, 2011, In: Videnblade Park og Landskab. 4.8-3, 2 p.

      Research output: Contribution to journal › Journal article › Communication

    37. Published

      Estimation of weeds leaf cover using image analysis and its relationship with fresh biomass yield of maize under field conditions

      Asif, A., Streibig, Jens Carl, Christensen, Svend & Andreasen, Christian, 2011, HAICTA 2011: 5th International Conference on Information and Communication Technologies in Agriculture, Food and Environment. Salampasis, M. & Matopoulos, A. (eds.). Hellenic Association of Information and Communication Technology in Agriculture, Food and Environment (HAICTA), Vol. 1. p. 41-49 9 p.

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

    38. Published

      Evaluation of changes in weed flora in arable fields of Nordic countries - based on danish long-term surveys

      Andreasen, Christian & Streibig, Jens Carl, 2011, In: Weed Research. 51, 3, p. 214-226 13 p.

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

    39. Published

      Managing farmland flora to promote biodiversity in Europe

      Andreasen, Christian & Andresen, L. C., 2011, In: CAB Reviews: Perspectives in Agriculture, Veterinary Science, Nutrition and Natural Resources. 6, 047, 11 p.

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

    40. Published

      Ukrudtsbekæmpelse: rigtig energidosering nedsætter antallet af flammebehandlinger

      Rask, A. M., Kristoffersen, P. & Andreasen, Christian, 2011, In: Videnblade Park og Landskab. 5.0-2, 2 p.

      Research output: Contribution to journal › Journal article › Communication

    41. 2012
    42. Published

      Controlling grass weeds on hard surfaces: effect of time intervals between flame treatments

      Rask, A. M., Kristoffersen, P. & Andreasen, Christian, 2012, In: Weed Technology. 26, 1, p. 83-88 6 p.

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

    43. Published

      Increasing weed flora in Danish beet, pea and winter barley fields

      Andreasen, Christian & Stryhn, H., 2012, In: Crop Protection. 36, p. 11-17 7 p.

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

    44. Published

      Response of Lolium perenne to repeated flame treatments with various doses of propane

      Rask, A. M., Andreasen, Christian & Kristoffersen, P., 2012, In: Weed Research. 52, 2, p. 131-139 9 p.

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

    45. Published

      Termiske metoder tager selv det stride ukrudt

      Rask, A. M., Kristoffersen, P. & Andreasen, Christian, 2012, In: Grønt Miljø. 5, p. 10-12 3 p.

      Research output: Contribution to journal › Journal article › Research

    46. Published

      The host range of Phomopsis cirsii: a potential biological control agent of Cirsium arvense

      Leth, V. & Andreasen, Christian, 2012, In: International Journal of Agriculture and Forestry. 2, 6, p. 279-287 9 p.

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

    47. 2013
    48. Published

      A new method to evaluate the weed-suppressing effect of mulches: a comparison between spruce bark and cocoa husk mulches

      Arentoft, B. W., Ali, A., Streibig, Jens Carl & Andreasen, Christian, 2013, In: Weed Research. 53, 3, p. 169-175 7 p.

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

    49. Published

      Determining treatment frequency for controlling weeds on traffic islands using chemical and non-chemical weed control

      Rask, A. M., Larsen, S. U., Andreasen, Christian & Kristoffersen, P., 2013, In: Weed Research. 53, 4, p. 249-258 10 p.

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

    50. Published

      Image analysis as a non-destructive method to assess regrowth of weeds after repeated flame weeding

      Rask, A. M., Kristoffersen, P. & Andreasen, Christian, 2013, In: Acta Agriculturae Scandinavica. Section B. Soil and Plant Science. 63, 2, p. 162-168 7 p.

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

    51. Published

      Survival of weed seeds and animal parasites as affected by anaerobic digestion at meso- and thermophilic conditions

      Johansen, A., Nielsen, H. B., Hansen, C. M., Andreasen, Christian, Carlsgart, A. J., Nielsen, H. H. & Roepstorff, A. K., 2013, In: Waste Management. 33, 4, p. 807-812 6 p.

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

    52. Published

      Use of image analysis to assess color response on plants caused by herbicide application

      Asif, A., Streibig, Jens Carl, Duus, J. & Andreasen, Christian, 2013, In: Weed Technology. 27, 3, p. 604-611 8 p.

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

    53. Published

      Use of sensors for assessment in herbicide trials

      Christensen, S., Andújar, D., Andreasen, C., Berge, T. W., Chachalis, D., Dittmann, T., Gerhards, R., Hamouz, P., Jaeger-Hansen, C., Jensen, K., Jørgensen, R. N., Keller, M., Laursen, M., Midtiby, H. S., Nielsen, J., Müller, S., Nordmeyer, H., Peteinatos, G., Papadopoulos, A., Rasmussen, J. & 3 others, Svensgaard, J., Weis, M. & Streibig, Jens Carl, 2013, Proceedings from 16th Symposium EWRS. p. 315 1 p.

      Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

    54. Published

      Yield loss prediction models based on early estimation of weed pressure

      Asif, A., Streibig, Jens Carl & Andreasen, Christian, 2013, In: Crop Protection. 53, p. 125-131 7 p.

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

    55. 2014
    56. Published

      Sensor-based assessment of herbicide effects

      Streibig, J. C., Rasmussen, J., Andújar, D., Andreasen, C., Berge, T. W., Chachalis, D., Dittmann, T., Gerhards, R., Giselsson, T. M., Hamouz, P., Jaeger-Hansen, C., Jensen, K., Jørgensen, R. N., Keller, M., Laursen, M., Midtiby, H. S., Nielsen, J., Müller, S., Nordmeyer, H., Peteinatos, G. & 4 others, Papadopoulos, A., Svensgaard, J., Weis, M. & Christensen, Svend, 2014, In: Weed Research. 54, 3, p. 223-233 11 p.

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

    57. Published

      The effect of fertilizer level and foliar-applied calcium on seed production and germination of Gerbera hybrida

      Andreasen, Christian, Kemezys, A. H. & Müller, Renate, 2014, In: HortScience. 49, 5, p. 538-543 6 p.

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

    58. 2015
    59. Published

      Breaking seed dormancy of Alliaria petiolata with phytohormones

      Yasin, M. & Andreasen, Christian, 2015, In: Plant Growth Regulation. 77, 3, p. 307-315 9 p.

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

    60. Published

      Image-based thresholds for weeds in maize fields

      Asif, A., Streibig, Jens Carl, Christensen, Svend & Andreasen, Christian, 2015, In: Weed Research. 55, 1, p. 26-33 8 p.

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

    61. Published

      Influence of temperature, low nutrient supply, and soil composition on germination and the growth of Sea Kale (Crambe maritima L.)

      Christensen, J., Lauridsen, U. B., Andreasen, Christian & Lütken, Henrik Vlk, 2015, In: HortScience. 50, 3, p. 363-368 6 p.

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

    62. Published

      Salat og persille dyrket i papirspotter

      Rask, A. M. & Andreasen, Christian, 2015, In: Gartner Tidende. 5 p.

      Research output: Contribution to journal › Journal article › Research

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    ID: 4233097