Christian Andreasen

Christian Andreasen

Associate Professor

Member of:

    ORCID: 0000-0003-0844-141X

    Publication year:
    All
    1 - 186 out of 186Page size: 500
    1. 2024
    2. Published

      A Sensor-Based Decision Model for Precision Weed Harrowing

      Berge, T. W., Urdal, F., Torp, T. & Andreasen, Christian, 2024, In: Agronomy. 14, 1, 14 p., 88.

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

    3. E-pub ahead of print

      Environmental performance of an autonomous laser weeding robot - a case study

      Krupanek, J., De Santos, P. G., Emmi, L., Wollweber, M., Sandmann, H., Scholle, K., Di Minh Tran, D., Schouteten, J. J. & Andreasen, Christian, 2024, (E-pub ahead of print) In: International Journal of Life Cycle Assessment.

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

    4. Published

      Laser weed seed control: challenges and opportunities

      Andreasen, Christian, Vlassi, Eleni, Salehan, N., Johannsen, K. S. & Jensen, Signe Marie, 2024, In: Frontiers in Agronomy. 6, 10 p.

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

    5. Published

      Weed control with laser beams: An eco-friendly alternative to herbicides and mechanical weed control

      Andreasen, Christian, Rakhmatulin, I., Saberi, M. & Zhang, Zongyi, 2024, In: A I P Conference Proceedings Series. 294, 1, 6 p., 040001.

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

    6. 2023
    7. Published

      Chenopodium quinoa, a new host for Alternaria section Alternata and Alternaria section Infectoriae causing yellow leaf blotch disease

      Colque-Little, Carla, Lund, O. S., Andreasen, Christian & Amby, Daniel Buchvaldt, 2023, In: Plant Disease. 107, 9

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

    8. Published

      A Review of Chenopodium quinoa (Willd.) Diseases - An Updated Perspective

      Colque-Little, Carla, Amby, Daniel Buchvaldt & Andreasen, Christian, 2023, Worldwide Evaluations of Quinoa - Biodiversity and Food Security under Climate Change Pressures. Pulvento, C. & Bazile, D. (eds.). MDPI, p. 377-415

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

    9. Published

      Can Canada thistle be controlled with laser beams?

      Andreasen, Christian, 2023, WeLASER. 1 p. (Practice Abstract; No. 57).

      Research output: Book/Report › Report › Research

    10. Published

      Can couch grass (Elymus repens) be controlled with a laser?

      Andreasen, Christian, 2023, WeLASER. 1 p. (Practice Abstract; No. 60).

      Research output: Book/Report › Report › Research

    11. Published

      How do laser beams affect beetles?

      Andreasen, Christian, 2023, WeLASER. 1 p. (Practice Abstract; No. 45).

      Research output: Book/Report › Report › Research

    12. Published

      How do laser beams affect earthworm mortality in the soil?

      Andreasen, Christian, 2023, WeLASER. 1 p. (Practice Abstract; No. 42).

      Research output: Book/Report › Report › Research

    13. Published

      How do laser beams affect ladybugs?

      Andreasen, Christian, 2023, WeLASER. 1 p. (Practice Abstract; No. 43).

      Research output: Book/Report › Report › Research

    14. Published

      How do laser beams affect larvae?

      Andreasen, Christian, 2023, WeLASER. 1 p. (Practice Abstract; No. 44).

      Research output: Book/Report › Report › Research

    15. Published

      How do laser beams affect pupae?

      Andreasen, Christian, 2023, WeLASER. 1 p. (Practice Abstract; No. 46).

      Research output: Book/Report › Report › Research

    16. Published

      How does laser irradiation affect crop seeds?

      Andreasen, Christian, 2023, WeLASER. 1 p. (Practice Abstract; No. 64).

      Research output: Book/Report › Report › Research

    17. Published

      How does laser irradiation affect weed seeds?

      Andreasen, Christian, 2023, WeLASER. 1 p. (Practice Abstract; No. 63).

      Research output: Book/Report › Report › Research

    18. Published

      Molecular identification of pathogenic mycobiome associated with quinoa (Chenopodium quinoa) foliar blotch disease on leaves and dark pigmentation on seeds

      Colque-Little, Carla, Andreasen, Christian & Amby, Daniel Buchvaldt, 2023, MBPP Early Career Meeting 2023. British Society for Plant Pathology, 1 p. O3

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

    19. Published

      Side-effects of laser weeding: quantifying off-target risks to earthworms (Enchytraeids) and insects (Tenebrio molitor and Adalia bipunctata) [Corrigendum incl.]

      Andreasen, Christian, Vlassi, Eleni, Johannsen, K. S. & Jensen, Signe Marie, 2023, In: Frontiers in Agronomy. 5, 10 p., 1198840.

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

    20. Published

      Site-Specific Seed Yield Prediction of Red Fescue (Festuca rubra L.)

      Andreasen, Christian, Rasmussen, Jesper & Bitarafan, Z., 2023, Unleashing the potential of precision agriculture - Book of Abstracts (Posters): 14th European Conference on Precision Agriculture. Canavari, M., Vitali, G. & Mattetti, M. (eds.). Universita di Bologna, p. 119-120 2 p. P59

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

    21. Published

      Site-Specific Seed Yield Prediction of Red Fescue (Festuca rubra L.) Based on Drone Imaging and Local Regression Models

      Andreasen, Christian, Rasmussen, Jesper & Bitarafan, Z., 2023, In: Agronomy. 13, 2, 12 p., 316.

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

    22. Published

      Some small dicotyledonous weed seedlings may be challenging to control with laser

      Andreasen, Christian, 2023, WeLASER. 1 p. (Practice Abstract; No. 65).

      Research output: Book/Report › Report › Research

    23. Published

      Transforming Bombax ceiba L. sawdust waste into a valuable growth substrate: An example with sugarcane

      Yasin, M., Zia, M. U., Mahmood, A., Javaid, M. M., Nadeem, M. A. & Andreasen, Christian, 2023, In: Bioresource Technology Reports. 23, 101582.

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

    24. Published

      Weed control with a 2 μm laser beam: The effect on some annual and perennial weeds

      Andreasen, Christian, Vlassi, Eleni, Johanssen, K. S., Salehan, N. & Colque-Little, Carla, 2023, The 28th Asian-Pacific Weed Science Society Conference (APWSS 2023): Weed Science Solutions for Global Food Security: Abstract Book. APWSS, 1 p.

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

    25. Published

      Weed seeds in pelletized chaff do not germinate

      Bitarafan, Z., Glasner, C. & Andreasen, Christian, 2023, In: Advances in Weed Science. 41, 5 p., e020230002.

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

    26. 2022
    27. Published

      Alopecurus myosuroides seed production and shedding pattern

      Bitarafan, Z. & Andreasen, Christian, 2022, p. 234. 1 p.

      Research output: Contribution to conference › Conference abstract for conference › Research

    28. Published

      Clopyralid applied to winter oilseed rape (Brassica napus L.) contaminates the food products nectar, honey and pollen

      Hansted, L., Crocoll, C., Bitarafan, Z. & Andreasen, Christian, 2022, In: Food Control. 140, 7 p., 109124.

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

    29. Published

      Clopyralid i blomsterprodukter fra vinterraps

      Hansted, L., Andreasen, Christian & Bitarafan, Z., 2022, In: Tidsskrift for Biavl. 1, p. 10-14 5 p.

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

    30. Published

      Clopyralid i dansk honning og pollen fra vinterraps

      Hansted, L. & Andreasen, Christian, 2022, Miljøstyrelsen. 45 p. (Bekæmpelsesmiddelforskning fra Miljøstyrelsen, Vol. 208).

      Research output: Book/Report › Report › Research

    31. Published

      Eco-friendly approach to improve traits of winter wheat by combining cold plasma treatments and carbonization of subtropical biomass waste

      Saberi, M., Ghomi, H. & Andreasen, Christian, 2022, In: Scientific Reports. 12, 1, 13 p., 11218.

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

    32. Published

      Fecundity Allocation in Some European Weed Species Competing with Crops

      Bitarafan, Z. & Andreasen, Christian, 2022, In: Agronomy. 12, 5, 14 p., 1196.

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

    33. Published

      Killing weed seeds in chaff by pelletizing chaff for further utilization

      Bitarafan, Z., Glasner, C. & Andreasen, Christian, 2022, p. 207. 1 p.

      Research output: Contribution to conference › Conference abstract for conference › Research

    34. Published

      Laser Weeding With Small Autonomous Vehicles: Friends or Foes?

      Andreasen, Christian, Scholle, K. & Saberi, M., 2022, In: Frontiers in Agronomy. 4, 9 p., 841086.

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

    35. Published

      Laser Weeding with an Autonomous Vehicle

      Saberi, M. & Andreasen, Christian, 2022, p. 85. 1 p.

      Research output: Contribution to conference › Conference abstract for conference › Research

    36. Published

      Laser weeding with a 2 µm fiber laser: The effects on weeds and the environment

      Andreasen, Christian, Zang, Z. & Saberi, M., 2022, p. 73. 1 p.

      Research output: Contribution to conference › Conference abstract for conference › Research

    37. Published

      Non-Composted Chinaberry (Melia azedarach L.) Sawdust Mixtures as Growth Medium for Okra (Abelmoschus esculentus (L.) Moench)

      Yasin, M., Noorani, H., Anwar, F., Siddiqui, M., Safdar, M. E. & Andreasen, Christian, 2022, In: Agriculture. 12, 3, 75 p., 354.

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

    38. Published

      Safety Issues with Laser Weeding (1): Heat and Fire Risks

      Andreasen, Christian, 2022, WeLASER. 1 p. (Practice Abstract; No. 24).

      Research output: Book/Report › Report › Research

    39. Published

      Safety Issues with Laser Weeding (2)

      Andreasen, Christian, 2022, WeLASER. 1 p. (Practice Abstract; No. 25).

      Research output: Book/Report › Report › Research

    40. Published

      Safety Issues with Laser Weeding (3)

      Andreasen, Christian, 2022, WeLASER. 1 p. (Practice Abstract; No. 26).

      Research output: Book/Report › Report › Research

    41. Published

      The potential for harvest weed seed control (HWSC) of common weed species in Denmark

      Andreasen, Christian & Bitarafan, Z., 2022, p. 125. 1 p.

      Research output: Contribution to conference › Conference abstract for conference › Research

    42. Published

      Utilization of the halophytic shrubs Atriplex nummularia Lindl and Rhagodia preissii Moq as crops in salt-affected semi-arid regions: How temperature, salinity, seed weight and size affect seed germination

      Christiansen, A. H. C., Norman, H. C. & Andreasen, Christian, 2022, In: Frontiers in Plant Science. 13, 13 p.

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

    43. 2021
    44. Published

      A Review of Chenopodium quinoa (Willd.) Diseases—An Updated Perspective

      Colque-Little, Carla, Amby, Daniel Buchvaldt & Andreasen, Christian, 2021, In: Plants. 10, 6, 38 p., 1228.

      Research output: Contribution to journal › Review › Research › peer-review

    45. Published

      Deep Neural Networks to Detect Weeds from Crops in Agricultural Environments in Real-Time: A Review

      Rakhmatuiln, I., Kamilaris, A. & Andreasen, Christian, 2021, In: Remote Sensing. 13, 21, p. 4486

      Research output: Contribution to journal › Review › Research › peer-review

    46. Published

      Genetic variation for tolerance to the downy mildew pathogen Peronospora variabilis in genetic resources of quinoa (Chenopodium quinoa)

      Colque-Little, Carla, Abondano, M. C., Lund, O. S., Amby, Daniel Buchvaldt, Piepho, H., Andreasen, Christian, Schmöckel, S. & Schmid, K., 2021, In: BMC Plant Biology. 21, 19 p., 41.

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

    47. Published

      Quinoa Phenotyping Methodologies: An International Consensus

      Stanschewski, C., Rey, E., Fiene, G., Craine, E., Wellman, G., Melino, V., Patiranage, D., Johansen, K., Schmöckel, S., Bertero, D., Oakey, H., Colque-Little, C., Afzal, I., Raubach, S., Miller, N., Streich, J., Amby, D., Emrani, N., Warmington, M., Mousa, M. & 8 others, Wu, D., Jacobson, D., Andreasen, Christian, Jung, C., Murphy, K., Bazile, D., Tester, M. & On Behalf Of The Quinoa Phenotyping Consortium, 2021, In: Plants. 10, 9, 52 p., 1759.

      Research output: Contribution to journal › Review › Research › peer-review

    48. Published

      The Status of Arable Plant Habitats in Scandinavian Countries

      Hyvönen, T., Andersson, L. & Andreasen, Christian, 2021, The Changing Status of Arable Habitats in Europe: A Nature Conservation Review. Hurford, C., Wilson, P. & Storkey, J. (eds.). Springer, p. 47-54

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

    49. 2020
    50. Published

      A Concept of a Compact and Inexpensive Device for ControllingWeeds with Laser Beams

      Rakhmatulin, I. & Andreasen, Christian, 2020, In: Agronomy. 10, 18 p., 1616.

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

    51. Published

      Cañahua (Chenopodium pallidicaule): A Promising New Crop for Arid Areas

      Rodriguez, J. P., Jacobsen, S., Andreasen, Christian & Sørensen, Marten, 2020, Emerging Research in Alternative Crops. Hirich, A., Choukr-Allah, R. & Ragab, R. (eds.). Springer, p. 221-243 (Environment & Policy, Vol. 58).

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

    52. Published

      Determination of Glyphosate in Dried Wheat by 1H-NMR Spectroscopy

      Shumilina, E., Andreasen, Christian, Bitarafan, Z. & Dikiy, A., 2020, In: Molecules. 25, 7 p., 1546.

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

    53. Published

      Industrial sawdust waste: An alternative to soilless substrate for garlic (Allium sativum L.)

      Yasin, M., Jabran, K., Afzal, I., Iqbal, S., Nawaz, M. A., Mahmood, A., Asif, M., Nadeem, M. A., Rahman, Z. U., Adnan, M., Siddiqui, M., Shahid, M. Q. & Andreasen, Christian, 2020, In: Journal of Applied Research on Medicinal and Aromatic Plants. 18, 9 p., 100252.

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

    54. Published

      Long-Term Storage and Longevity of Orthodox Seeds: A Systematic Review

      Solberg, S. Ø., Yndgaard, F., Andreasen, Christian, Bothmer, R. V., Loskutov, I. G. & Asdal, Å., 2020, In: Frontiers in Plant Science. 11, 14 p., 1007.

      Research output: Contribution to journal › Review › Research › peer-review

    55. Published

      Prescribed Burning as A Management Tool to Destroy Dry Seeds of Invasive Conifers in Heathland in Denmark

      Andreasen, Christian, Rossing, K. & Ritz, C., 2020, In: Land. 9, 11, 12 p., 432.

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

    56. Published

      Seed Germination after 30 Years Storage in Permafrost

      Solberg, S. Ø., Brodal, G., von Bothmer, R., Meen, E., Yndgaard, F., Andreasen, Christian & Adal, Å., 2020, In: Plants. 9, 9 p., 579.

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

    57. Published

      Seed production and retention at maturity of blackgrass (Alopecurus myosuroides) and silky windgrass (Apera spica-venti) at wheat harvest

      Bitarafan, Z. & Andreasen, Christian, 2020, In: Weed Science. 68, 2, p. 151-156

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

    58. Published

      Seed retention of ten common weed species at oat harvest reveals the potential for harvest weed seed control

      Bitarafan, Z. & Andreasen, Christian, 2020, In: Weed Research. 60, 5, p. 343-352

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

    59. Published

      The Effect of Foliar and Soil Application of Flufenacet and Prosulfocarb on Italian Ryegrass (Lolium Multiflorum L.) Control

      Andreasen, Christian, Høgh, K. L. & Jensen, Signe Marie, 2020, In: Agriculture. 10, 11, 11 p., 552.

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

    60. Published

      The effect of different biochars on the growth and water use efficiency of fenugreek (Trigonella foenum‐graecum L.)

      Bitarafan, Z., Liu, Fulai & Andreasen, Christian, 2020, In: Journal of Agronomy and Crop Science. 206, 2, p. 169-175

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

    61. Published

      Weed surveys and weed mapping in Europe: State of the art and future tasks

      Krähmer, H., Andreasen, Christian, Economou-antonaka, G., Holec, J., Kalivas, D., Kolářová, M., Novák, R., Panozzo, S., Pinke, G., Salonen, J., Sattin, M., Stefanic, E., Vanaga, I. & Fried, G., 2020, In: Crop Protection. 129, 13 p., 105010.

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

    62. 2019
    63. Published

      Seed Yield and Lodging Assessment in Red Fescue (Festuca rubra L.) Sprayed with Trinexapac-Ethyl

      Bitarafan, Z., Rasmussen, Jesper, Westergaard, Jesper Cairo & Andreasen, Christian, 7 Oct 2019, In: Agronomy. 9, 10, p. 1-9 617.

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

    64. Published

      Killing Weed Seeds with Exhaust Gas from a Combine Harvester

      Jakobsen, K., Jensen, J. A., Bitarafan, Z. & Andreasen, Christian, Sep 2019, In: Agronomy. 9, 9, p. 1-15 544.

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

    65. Published

      The effect of oxygen concentration on the germination of some weed species under control conditions

      Yasin, M. & Andreasen, Christian, Sep 2019, In: Weed Science. 67, 5, p. 580–588

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

    66. Published

      Evaluation of New Harvesting Methods to Reduce Weeds on Arable Fields and Collect a New Feedstock

      Glasner, C., Vieregge, C., Robert, J., Fenselau, J., Bitarafan, Z. & Andreasen, Christian, 5 May 2019, In: Energies. 12, 9, p. 1-13 1688.

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

    67. Published

      Assessing herbicide symptoms by using a logarithmic field sprayer

      da Cunha, B. R., Andreasen, Christian, Rasmussen, Jesper, Nielsen, J., Ritz, C. & Streibig, Jens Carl, Apr 2019, In: Pest Management Science. 75, 4, p. 1166-1171

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

    68. Published

      The importance of reduced light intensity on the growth and development of six weed species

      Yasin, M., Rosenqvist, Eva, Jensen, Signe Marie & Andreasen, Christian, Apr 2019, In: Weed Research. 59, 2, p. 130-144

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

    69. Published

      Destroying weed seeds with exhaust gas from a combine harvester

      Bitarafan, Z., Glasner, C., Fenselau, J. & Andreasen, Christian, Mar 2019.

      Research output: Contribution to conference › Poster › Research › peer-review

    70. Published

      Seed shattering of Bromus hordeaceus L. during the growing season of winter wheat

      Andreasen, Christian & Bitarafan, Z., Mar 2019.

      Research output: Contribution to conference › Poster › Research › peer-review

    71. Published

      Floraændringer i 40 danske marker gennem 50 år

      Jensen, H. A., Andreasen, Christian & Jensen, Signe Marie, 2019, In: URT. 2019, 2, p. 26-29

      Research output: Contribution to journal › Journal article › Communication

    72. Published

      Harvest Weed Seed Control: Seed Production and Retention of Fallopia convolvulus, Sinapis arvensis, Spergula arvensis and Stellaria media at Spring Oat Maturity

      Bitarafan, Z. & Andreasen, Christian, 2019, In: Agronomy. 10, 1, 10 p., 46.

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

    73. Published

      Intercropping fenugreek (Trigonella foenum‐graecum L.) and barley (Hordeum vulgare L.) with and without biochar: Tests along a competition gradient

      Bitarafan, Z., Jensen, Signe Marie, Liu, Fulai & Andreasen, Christian, 2019, In: Journal of Agronomy and Crop Science. 205, 1, p. 99-107

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

    74. Published

      Measuring height of red fescue (Festuca rubra) plots using drone imagery

      Andreasen, Christian, Bitarafan, Z., Azim, Saiful & Rasmussen, Jesper, 2019, Improving sown grasslands through breeding and management: Proceedings of the Joint 20th Symposium of the European Grassland Federation and the 33rd Meeting of the EUCARPIA Section "Fodder Crops and Amenity Grasses". Huguenin-Elie, O., Studer, B., Kölliker, R., Reheul, D., Probo, M., P. B., Feuerstein, U., Roldán-Ruiz, I., Mariotte, P. & Hopkins, A. (eds.). p. 342 1 p. (Grassland Science in Europe, Vol. 24).

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

    75. Published

      The Effect of N and P Fertilizers on Yield and Yield Components of Sesame (Sesamum indicum L.) in Low-Fertile Soil of North-Western Ethiopia

      Amare, M., Fisseha, D. & Andreasen, Christian, 2019, In: Agriculture. 9, 10, p. 1-12 227.

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

    76. Published

      The effect of charcoal on medicinal compounds of seeds of fenugreek (Trigonella foenum-graecum L.) exposed to drought stress

      Bitarafan, Z., Asghari, H. R., Hasanloo, T., Gholami, A., Moradi, F., Khakimov, Bekzod, Liu, Fulai & Andreasen, Christian, 2019, In: Industrial Crops and Products. 131, p. 323-329

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

    77. Published

      Using drone imagery to estimate lodging in red fescue (Festuca rubra)

      Andreasen, Christian, Bitarafan, Z., Westergaard, Jesper Cairo & Rasmussen, Jesper, 2019, Improving sown grasslands through breeding and management. Huguenin-Elie, O., Studer, B., Kölliker, R., Regeul, D., Probo, M., Barre, P., Feuerstein, U., Roldán-Ruiz, I., Mariotte, P. & Hopkins, A. (eds.). Wageningen Academic Publishers, p. 309-311 (Grassland Science in Europe, Vol. 24).

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

    78. 2018
    79. Published

      Adaptions of harvesting methods and concepts in order to reduce weeds on agricultural fields and to gain potentially a so far unexploited biomass feedstock

      Glasner, C., Andreasen, Christian, Vieregge, C., Dikiy, A., Fenselau, J., Bitarafan, Z. & Shumilina, E., 1 May 2018, In: European Biomass Conference and Exhibition Proceedings. 2018, 26thEUBCE, p. 64-70 7 p.

      Research output: Contribution to journal › Conference article › Research

    80. Published

      Hypoxia improves germination of the problematic invader garlic mustard (Alliaria petiolata) of North American forests

      Yasin, M. & Andreasen, Christian, 1 Jan 2018, In: American Midland Naturalist. 179, 1, p. 150-156 7 p.

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

    81. Published

      Characterization of foliar diseases infecting quinoa (Chenopodium quinoa)

      Colque-Little, Carla, Lund, O. S., Amby, Daniel Buchvaldt, Andreasen, Christian, Jacobsen, S., Schmid, K. J. & Cristina, O., 2018, Plant Biology Europe 2018 Conference Abstract Book. University of Copenhagen, p. 124-125 2 p.

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

    82. Published

      Decreasing diversity in the soil seed bank after 50 years in Danish arable fields

      Andreasen, Christian, Jensen, H. A. & Jensen, Signe Marie, 2018, In: Agriculture, Ecosystems & Environment. 259, p. 61-71 11 p.

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

    83. Published

      Exploiting waste heat from combine harvesters to damage harvested weed seeds and reduce weed infestation

      Andreasen, Christian, Bitarafan, Z., Fenselau, J. & Glasner, C., 2018, In: Agriculture. 8, 3, 12 p., 42.

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

    84. Published

      Trends and drivers of on-farm conservation of the root legume ahipa (Pachyrhizus ahipa) in Bolivia over the period 1994/96–2012

      Rodriguez Calle, J. P., Ørting, B., Andreasen, Christian, Jacobsen, S. & Sørensen, Marten, 2018, In: Genetic Resources and Crop Evolution. 65, 2, p. 449-469 21 p.

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

    85. 2017
    86. Published

      A note on the analysis of germination data from complex experimental designs

      Jensen, Signe Marie, Andreasen, Christian, Streibig, Jens Carl, Keshtkar, E. & Ritz, C., Dec 2017, In: Seed Science Research. 27, 4, p. 321-327 7 p.

      Research output: Contribution to journal › Letter › Research › peer-review

    87. Published

      Can we differentiate growth regulation of red fescue (Festuca rubra) and forecast yield based on early measurements of normalized difference vegetation index (NDVI)?

      Andreasen, Christian & Nielsen, T. S., 2017, Grassland resources for extensive farming systems in marginal lands. Porqueddu, C., Franca, A., Lombardi, G., Molle, G., Peratoner, G. & Hopkins, A. (eds.). European Grassland Federation, p. 506-508 3 p. (Grassland Science in Europe, Vol. 22).

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

    88. Published

      Improving Utilization of Sugarcane by Replacing Ordinary Propagation Material with Small Chips of Sugarcane Planted in Paper Pots

      Garcia, C. & Andreasen, Christian, 2017, In: International Journal of Biological, Biomolecular, Agricultural, Food and Biotechnological Engineering. 11, 1, p. 1-4 4 p.

      Research output: Contribution to journal › Journal article › Research

    89. Published

      Seed shattering of Cañahua (Chenopodium pallidicaule Aellen)

      Rodriguez Calle, J. P., Aro, M., Coarite, M., Jacobsen, S., Ørting, B., Sørensen, Marten & Andreasen, Christian, 2017, In: Journal of Agronomy and Crop Science. 203, 3, p. 254-267

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

    90. Published

      The effect of reduced light intensity on grass weeds

      Yasin, M., Rosenqvist, Eva & Andreasen, Christian, 2017, In: Weed Science. 65, 5, p. 603-613

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

    91. Published

      Ændring af agerjordens frøbeholdning over 50 år

      Jensen, H. A., Jensen, Signe Marie & Andreasen, Christian, 2017, Plantekongres 2017: sammendrag. Aarhus Universitet, p. 152-154 3 p.

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

    92. 2016
    93. Published

      Effect of reduced oxygen concentration on the germination behavior of vegetable seeds

      Yasin, M. & Andreasen, Christian, 2016, In: Horticulture, Environment and Biotechnology . 57, 5, p. 453-461 9 p.

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

    94. Published

      Germination responses of Cañahua (Chenopodium pallidicaule Aellen) to temperature and sowing depth: a crop growing under extreme conditions

      Rodriguez Calle, J. P., Jacobsen, S., Sørensen, Marten & Andreasen, Christian, 2016, In: Journal of Agronomy and Crop Science. 202, 6, p. 542-553 12 p.

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

    95. Published

      Weed management on hard surfaces administrered by public authorities in Denmark

      Rask, A. M. & Andreasen, Christian, 2016, Erfolgreiches Unkrautmanagement auf Wegen und Plätzen. Verschwele, A. (ed.). ERLING Verlag GmbH & Co., p. 109-111 3 p.

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

    96. 2015
    97. 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

    98. 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

    99. 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

    100. 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

    101. 2014
    102. 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

    103. 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

    104. 2013
    105. 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

    106. 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

    107. 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

    108. 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

    109. 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

    110. 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

    111. 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

    112. 2012
    113. 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

    114. 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

    115. 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

    116. 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

    117. 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

    118. 2011
    119. 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

    120. 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

    121. 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

    122. 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

    123. 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

    124. 2010
    125. 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

    126. 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

    127. 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

    128. 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

    129. 2009
    130. 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

    131. 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

    132. 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

    133. 2008
    134. 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

    135. 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

    136. 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

    137. 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

    138. 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

    139. 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

    140. 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

    141. 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

    142. 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

    143. 2007
    144. 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

    145. 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

    146. 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

    147. 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

    148. 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

    149. 2006
    150. 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

    151. 2005
    152. Published

      Testing vigour of sugar beet seeds

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

      Research output: Contribution to conference › Paper › Research

    153. 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

    154. 2004
    155. 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

    156. 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

    157. 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

    158. 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

    159. 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

    160. Published

      Spatial variability of weeds affects estimation of infestation

      Andreasen, Christian, 2004. 1 p.

      Research output: Contribution to conference › Paper › Research

    161. 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

    162. 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

    163. 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

    164. 2003
    165. 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

    166. 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

    167. 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

    168. 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

    169. 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

    170. 2002
    171. 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

    172. Published

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

      Andreasen, Christian, 2002. 2 p.

      Research output: Contribution to conference › Paper › Research

    173. 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

    174. 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

    175. 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

    176. 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

    177. 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

    178. 2001
    179. 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

    180. 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

    181. 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

    182. 2000
    183. 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

    184. 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

    185. 1999
    186. Published

      Anvendelse af stråling til ukrudtsbekæmpelse: idé til forskningsområde

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

      Research output: Contribution to conference › Paper › Research

    187. 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

    188. Published

      Kornvalmuen

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

      Research output: Contribution to journal › Journal article › Research

    189. 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

    190. Published

      Phomopsis cirsii - a promising control agent against Cirsium arvense

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

      Research output: Contribution to conference › Paper › Research

    191. 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

    192. 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

    193. Published

      Weed control with UV-radiation

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

      Research output: Contribution to conference › Paper › Research

    194. 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

    195. 1998
    196. 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

    197. 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

    198. 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

    199. 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

    200. 1997
    201. 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

    202. 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

    203. 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

    204. 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

    205. 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

    206. 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

    207. 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

    208. 1996
    209. 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

    210. 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

    211. 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

    212. 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

    213. 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

    214. 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

    215. 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

    ID: 4233097