Christian Andreasen

Christian Andreasen

Associate Professor

Member of:

    ORCID: 0000-0003-0844-141X

    Publication year:
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    1 - 50 out of 186Page size: 50
    1. 1996
    2. Published

      1995-96 projekter for kvalitetsudvikling af undervisning på KVL og fremtidige aktiviteter

      Jensen, P., Veierskov, Bjarke, Andreasen, Christian, Odgaard, J. D., Nielsen, A. M., Udby Madsen, C. & Østergaard, V., 1996, 84 p.

      Research output: Book/Report › Book › Education

    3. Published

      Annual weed distributions can be mapped with kriging

      Heisel, T., Andreasen, Christian & Ersbøll, A. K., 1996, In: Weed Research. 36, 4, p. 325-337 13 p.

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

    4. Published

      Biologisk ukrudtsbekæmpelse: et supplement der bør undersøges

      Andreasen, Christian, 1996, In: Jord og Viden. 6, 2 p.

      Research output: Contribution to journal › Journal article › Communication

    5. Published

      Decline of the flora in Danish arable fields

      Andreasen, Christian, Stryhn, H. & Streibig, Jens Carl, 1996, In: Journal of Applied Ecology. 33, p. 619-626 8 p.

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

    6. Published

      Herbicide resistance in weeds and crops in Denmark

      Andreasen, Christian, Jensen, J. E., Hauge Madsen, K., Silberg Poulsen, G. & Streibig, Jens Carl, 1996. 3 p.

      Research output: Contribution to conference › Paper › Research

    7. Published

      Practicals in weed science

      Jensen, J. E., Streibig, Jens Carl & Andreasen, Christian, 1996, 1996 ed. Copenhagen: Royal Veterinary and Agricultural University, Department of Agricultural Sciences, Section of Weed Science. 72 p.

      Research output: Book/Report › Book › Education

    8. Published

      Statistical models for analysing and interpreting data recording by the Raunkiær survey technique

      Andreasen, Christian & Brix, A., 1996, Ikke angivet. Jensen, J. E. (ed.). 47 ed. Dina, p. 21 1 p.

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

    9. 1997
    10. Published

      Assessment of weed densities in spring barley by image analysis

      Andreasen, Christian, Rudemo, M. & Sevestre, S., 1997, Ikke angivet. Rajan, A. (ed.). Malaysian Plant Protection Society, p. 54-58 5 p.

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

    11. Published

      Assessment of weed density at an early stage by use of image processing

      Andreasen, Christian, Rudemo, M. & Sevestre, S., 1997, In: Weed Research. 37, 1, p. 5-18 14 p.

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

    12. Published

      Biological control of the annual weed Chenopodium album , with emphasis on the application of Ascochyta caulina as a microbial herbicide

      Scheepens, P. C., Kempenaar, C., Andreasen, Christian, Eggers, T., Netland, J. & Vurro, M., 1997, In: Integrated Pest Management Reviews. 2, p. 71-76 6 p.

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

    13. Published

      EWRS: practicals

      Jensen, J. E., Streibig, Jens Carl & Andreasen, Christian, 1997, Copenhagen: The Royal Veterinary and Agricultural University, Department of Agricultural Sciences, Section of Weed Science. 24 p.

      Research output: Book/Report › Book › Education

    14. Published

      Practicals in weed science

      Jensen, J. E., Streibig, Jens Carl & Andreasen, Christian, 1997, 1997 ed. Copenhagen: Royal Veterinary and Agricultural University, Department of Agricultural Sciences, Section of Weed Science. 69 p.

      Research output: Book/Report › Book › Education

    15. Published

      Statistical models for analysing and interpreting data recording by the Raunkiær survey technique

      Andreasen, Christian & Brix, A., 1997, Dina notat. 62 ed. Dina, p. 51-53 3 p.

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

    16. Published

      Weed science compendium

      Jensen, J. E., Streibig, Jens Carl & Andreasen, Christian, 1997, 1997 ed. København: The Royal Veterinary and Agricultural University, Department of Agricultural Sciences, Section of Weed Science. 380 p.

      Research output: Book/Report › Book › Education

    17. 1998
    18. Published

      Orienterende undersøgelser vedrørende UV-lys til ukrudtsbekæmpelse

      Andreasen, Christian, 1998, DJF-rapport. Markbrug. 1998 ed. Christian Ejlers, p. 171-177 7 p.

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

    19. Published

      Practicals in weed science

      Jensen, J. E., Streibig, Jens Carl, Seiden, P. & Andreasen, Christian, 1998, 1998 ed. Copenhagen: Royal Veterinary and Agricultural University, Department of Agricultural Sciences, Section of Weed Science. 79 p.

      Research output: Book/Report › Book › Education

    20. Published

      Prediction of yield loss caused br Orobanche spp. in carrot and pea crops based on the soil seedbank

      Bernhard, R. H., Jensen, J. E. & Andreasen, Christian, 1998, In: Weed Research. 38, p. 191-197 7 p.

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

    21. Published

      Weed science compendium

      Jensen, J. E., Streibig, Jens Carl & Andreasen, Christian, 1998, 1998 ed. København: The Royal Veterinary and Agricultural University, Department of Agricultural Sciences, Section of Weed Science. 433 p.

      Research output: Book/Report › Book › Education

    22. 1999
    23. Published

      Anvendelse af stråling til ukrudtsbekæmpelse: idé til forskningsområde

      Andreasen, Christian & Øgendal, Lars Holm, 1999. 2 p.

      Research output: Contribution to conference › Paper › Research

    24. Published

      Identifikation af afgrøder og ukrudt ved hjælp af billedbehandling: idé til forskningsområde

      Andreasen, Christian, 1999. 2 p.

      Research output: Contribution to conference › Paper › Research

    25. Published

      Kornvalmuen

      Andreasen, Christian, 1999, In: Naturens Verden. 82, 5, p. 28-32 5 p.

      Research output: Contribution to journal › Journal article › Research

    26. Published

      Kortlægning af markvariation ved hjælp af fly og satellitmålinger: idé til forskningsområde

      Andreasen, Christian, 1999. 2 p.

      Research output: Contribution to conference › Paper › Research

    27. Published

      Phomopsis cirsii - a promising control agent against Cirsium arvense

      Leth, V. & Andreasen, Christian, 1999. 1 p.

      Research output: Contribution to conference › Paper › Research

    28. Published

      Septoria, Ramularia and Phomopsis cirsii as control agents against Cirsium arvense

      Leth, V. & Andreasen, Christian, 1999, Ikke angivet. Hatcher, P. E. (ed.). European Weed Research Society, p. 16 1 p.

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

    29. Published

      The effect of ultraviolet radiation on the fresh weight of some weeds and crops

      Andreasen, Christian, Hansen, L. & Streibig, Jens Carl, 1999, In: Weed Technology. 13, p. 554-560 7 p.

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

    30. Published

      Weed control with UV-radiation

      Andreasen, Christian, Hansen, L. & Streibig, Jens Carl, 1999. 1 p.

      Research output: Contribution to conference › Paper › Research

    31. Published

      Weed mapping with Co-kriging using soil properties

      Heisel, T., Ersbøll, A. K. & Andreasen, Christian, 1999, In: Precision Agriculture. 1, p. 39-52 14 p.

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

    32. 2000
    33. Published

      Placement of fertilizer increases the competitive ability of spring barley (Hordeum vulgare L.) on sandy soil

      Andreasen, Christian & Troelsgård Nielsen, M., 2000, Ikke angivet. International Weed Science Society, p. 199 1 p.

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

    34. Published

      The ¤relation between densities and frequencies of weeds in Arable fields

      Brix, A. & Andreasen, Christian, 2000, In: Journal of Agricultural, Biological, and Environmental Statistics. 5, 4, p. 372-386 15 p.

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

    35. 2001
    36. Published

      Cutting weeds with a CO2 laser

      Heisel, T., Schou, J., Christensen, S. & Andreasen, Christian, 2001, In: Weed Science. 41, p. 19-29 11 p.

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

    37. Published

      Reduced tillage and weed management in Scandinavia

      Andreasen, Christian, Streibig, Jens Carl & Den¤ Kongelige Veterinær- og Landbohøjskole, 2001. 4 p.

      Research output: Contribution to conference › Paper › Research

    38. Published

      Variation i tusind-kornvægt i alm. rejgræs, rødsvingel og engrapgræs

      Ugilt Larsen, S., Andreasen, Christian & Kristoffersen, P., 2001.

      Research output: Contribution to conference › Paper › Research

    39. 2002
    40. 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

    41. Published

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

      Andreasen, Christian, 2002. 2 p.

      Research output: Contribution to conference › Paper › Research

    42. 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

    43. Published

      Ukrudt og afgrøde: en naturlig cocktail

      Streibig, Jens Carl & Andreasen, Christian, 2002, Visioner for fremtidens jordbrug. Jensen, E. S., Vejre, H., Bügel, S. H. & Emanuelsson, J. (eds.). København: Gad, p. 109-125 17 p.

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

    44. Published

      Using laser to measure stem thickness and cut weed stems

      Heisel, T., Schou, J., Andreasen, Christian & Christensen, S., 2002, In: Weed Research. 42, 3, p. 242-248 7 p.

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

    45. Published

      Værdisætning af pesticidanvendelsens natureffekter

      Hasler, B., Schou, J. S., Kaltoft, P., Vetter, H., Hald, A. B. & Andreasen, Christian, 2002, Ikke angivet. Koefoed Bjørnsen, P., Erich, P. & Johnsen, P. (eds.). National Environmental Research Institute, p. 233-234 2 p.

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

    46. Published

      Yield effect of distance between plants and cutting of weeds

      Heisel, T., Andreasen, Christian & Christensen, S., 2002. 6 p.

      Research output: Contribution to conference › Paper › Research

    47. 2003
    48. 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

    49. 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

    50. 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

    51. 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

    52. 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

    53. 2004
    54. 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

    55. 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

    56. 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

    57. 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

    58. 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

    59. Published

      Spatial variability of weeds affects estimation of infestation

      Andreasen, Christian, 2004. 1 p.

      Research output: Contribution to conference › Paper › Research

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