Christian Andreasen

Christian Andreasen

Associate Professor

Member of:

    ORCID: 0000-0003-0844-141X

    Publication year:
    All
    101 - 150 out of 186Page size: 50
    1. 2012
    2. 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

    3. 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

    4. 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

    5. 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

    6. 2011
    7. 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

    8. 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

    9. 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

    10. 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

    11. 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

    12. 2010
    13. 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

    14. 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

    15. 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

    16. 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

    17. 2009
    18. 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

    19. 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

    20. 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

    21. 2008
    22. 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

    23. 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

    24. 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

    25. 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

    26. 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

    27. 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

    28. 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

    29. 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

    30. 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

    31. 2007
    32. 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

    33. 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

    34. 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

    35. 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

    36. 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

    37. 2006
    38. 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

    39. 2005
    40. Published

      Testing vigour of sugar beet seeds

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

      Research output: Contribution to conference › Paper › Research

    41. 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

    42. 2004
    43. Published

      Comparison of germination criteria in red fescue (Festuca rubra ssp. litoralis), perennial ryegrass (Lolium perenne) and Kentucky bluegrass (Poa pratensis)

      Larsen, S. U. & Andreasen, Christian, 2004, In: Seed Science and Technology. 32, 2, p. 341-354 14 p.

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

    44. Published

      Differential seed production of glyphosate-resistant and susceptible individuals in a Lolium Rigidum population in competition with wheat

      Pedersen, B. P., Neve, P., Andreasen, Christian & Powles, S. B., 2004. 1 p.

      Research output: Contribution to conference › Paper › Research

    45. Published

      Differential sowing time of turfgrass species affects the establishment of mixtures

      Andreasen, Christian, Larsen, S. U. & Kristoffersen, P., 2004, In: Crop Science. 44, p. 1315-1322 8 p.

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

    46. Published

      Differential sowing-time of turfgrass species affects the establishment of mixtures

      Larsen, S. U., Andreasen, Christian & Kristoffersen, P., 2004, In: Crop Science. 44, 4, p. 1315-1322 8 p.

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

    47. Published

      Light and heavy turfgrass seeds differ in germination percentage and mean germination thermal time

      Larsen, S. U. & Andreasen, Christian, 2004, In: Crop Science. 44, 5, p. 1710-1720 11 p.

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

    48. Published

      Spatial variability of weeds affects estimation of infestation

      Andreasen, Christian, 2004. 1 p.

      Research output: Contribution to conference › Paper › Research

    49. 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

    50. 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

    51. 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

    52. 2003
    53. Published

      Raps

      Østergård, H., Tolstrup, K., Andreasen, Christian, Damgård, D., Rasmussen, I. A. & Jørgensen, R. B., 2003, Report from the workning group concerning co-existence of genetic modified, conventional and organic grown crops. DJF. 25. ed. Vol. 2. p. 10. 16 p.

      Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

    54. Published

      Regrowth of weed species after cutting

      Andreasen, Christian, Hansen, C. H., Møller, C. & Kjær-Pedersen, N., 2003, In: Weed Technology. p. 873-879 7 p.

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

    55. Published

      Sæt pris på miljøet: med varsomhed

      Schou, J. S., Hald, A. B., Kaltoft, P., Andreasen, Christian, Vetter, H. & Hasler, B., 2003, In: Bekæmpelsesmiddelforskning. 72, 5 p.

      Research output: Contribution to journal › Journal article › Communication

    56. Published

      Værdisætning af pesticidanvendelsens natur- og miljøeffekter

      Schou, J. S., Hald, A. B., Kaltoft, P., Andreasen, Christian, Vetter, H. & Hasler, B., 2003, In: Bekæmpelsesmiddel for forskning fra Miljøstyrelsen. 72, 64 p.

      Research output: Contribution to journal › Journal article › Research

    57. Published

      Værdisætning af pesticidanvendelsens natur- og miljøeffekter. Bilagsrapport

      Schou, J. S., Hald, A. B., Kaltoft, P., Kjær Pedersen, N., Andreasen, Christian, Vetter, H., Hasler, B. & Juel Petersen, C., 2003, 39 ed. 84 p.

      Research output: Book/Report › Report › Research

    58. 2002
    59. Published

      Floraændringer i danske sædskiftemarker: en ny ukrudtsundersøgelse er begyndt

      Andreasen, Christian & Streibig, Jens Carl, 2002, DJF-rapport. 2002 ed. p. 113-118 6 p.

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

    60. Published

      Hvordan påvirkes floradiversiteten af sædskifte, jordbearbejdning, jordtype samt herbicider?

      Andreasen, Christian, 2002. 2 p.

      Research output: Contribution to conference › Paper › Research

    61. Published

      Sugarbeet yield response to competition from Sinapis arvensis or Lolium perenne growing at three different distances from the beet and removed at various times during early growth

      Heisel, T., Andreasen, Christian & Christensen, S., 2002, In: Weed Research. 42, p. 406-413 8 p.

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

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